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CM2916
LCD Driver with Key Scan(4*8)
. General Description:
IC VCD/DVD LCD Stand-by mode( 1W ) Green mode
. Features:
2.2V-5.5V LCD RAM read condition 2.6V-5.5V RC 15K 300pF 256KHZ default on 32 function key Built-in CM2221/CM2222 decoder Provide power saving key function from CPU initial or External EEPROM Provide 24Cxx EEPROM interface read only Provide 4 pin general output port share with segment LCD 52 SEG/5 COM or 53 SEG/ 4COM or 54 SEG/3 COM (select by software) 1/3 duty or 1/4 duty or 1/5 duty 1/3 bias RESET Power on reset + LVR 64 pin QFP package
. Application:
VCD DVD LCD DRIVER (52 SEG*5 COM)
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 1 of 22 Rev 1.0 Oct. 5, 2004 Fax:886-3-3521052
CM2916
LCD Driver with Key Scan(4*8)
. Pin Assignment
SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 SEG25 SEG26
SEG8 S7DI S6DO S5O4 S4O3 S3O2 S2O1 S1CM4 S0CM3 COM2 COM1 COM0 VLCD VDD
SEG9
SEG27 SEG28 SEG29 SEG30 SEG31
CM2916
SEG32 SEG33 SEG34 SEG35 SEG36 SEG37 SEG38 S39LV
S51R4
S50R3
S49R2
S48R1
S47C8
S46C7
S45C6
S44C5
S43C4
S42C3
S41C2
S53GO
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 2 of 22 Rev 1.0 Oct. 5, 2004 Fax:886-3-3521052
S40C1
DIO
ROSC
CKWB
CKRB
S52IR
VSS
CM2916
LCD Driver with Key Scan(4*8)
. PAD Position
Chip size
No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 Name DIO ROSC VSS S53GO S52IR S51R4 S50R3 S49R2 S48R1 S47C8 S46C7 S45C6 S44C5 S43C4 S42C3 S41C2 S40C1 S39LV SEG38 SEG37 SEG36 SEG35 X -950 -950 -950 -950 -950 -950 -950 -950 -950 -950 -950 -950 -950 -950 -950 -950 -819 -702 -585 -468 -351 -234 Y 738.4 610.6 489.6 372.6 255.6 138.6 21.6 -95.4 -212.4 -329.4 -446.4 -563.4 -680.4 -797.4 -914.4 -1045 -1045 -1045 -1045 -1045 -1045 -1045 No. 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 Name SEG34 SEG33 SEG32 SEG31 SEG30 SEG29 SEG28 SEG27 SEG26 SEG25 SEG24 SEG23 SEG22 SEG21 SEG20 SEG19 SEG18 SEG17 SEG16 SEG15 SEG14 SEG13 X -117 0 117 234 351 468 585 702 819 950 950 950 950 950 950 950 950 950 950 950 950 950
2130*2330 um**2
Y -1045 -1045 -1045 -1045 -1045 -1045 -1045 -1045 -1045 -1045 -914.4 -797.4 -680.4 -563.4 -446.4 -329.4 -212.4 -95.4 21.6 138.6 255.6 372.6 No. 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 Name SEG12 SEG11 SEG10 SEG9 SEG8 S7DI S6DO S5O4 S4O3 S3O2 S2O1 S1CM4 S0CM3 COM2 COM1 COM0 VLCD VDD CKWB CKRB X 950 950 950 950 870 727.8 610.8 493.8 376.8 259.8 142.8 9.5 -112.7 -234 -352 -470 -589 -720.7 -950 -950 Y 489.6 626.6 743.6 884 1045 1045 1045 1045 1045 1045 1045 1045 1045 1045 1045 1045 1045 1045 1019.4 874.5
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 3 of 22 Rev 1.0 Oct. 5, 2004 Fax:886-3-3521052
CM2916
LCD Driver with Key Scan(4*8)
. Pin Description
Name SEG53/GOUT SEG52/IRI SEG51/R4, SEG50/R3 SEG49/R2, SEG48/R1 SEG47/C8, SEG46/C7, SEG45/C6, SEG44/C5, SEG43/C4, SEG42/C3, SEG41/C2, SEG40/C1 SEG39-8 SEG7/EDA SEG6/ECL SEG5/O4, SEG4/O3, SEG3/O2, SEG2/O1 COM4/SEG1, COM3/SEG0 COM2-COM0 VLCD VDD CKWB CKRB DIO ROSC VSS I/O O I/O I/O O Description LCD pin or Green pin output (20 mA @Vol=0.5V, 5V) LCD pin or IR receiver LCD pin or active high LCD segment output pin or pins 1 1 4 8
O I/O O O O O P P I I I/O IO P
LCD segment output pin LCD segment output pin or 24Cxx interface mode LCD segment output pin or 24Cxx interface mode LCD segment output pin or General output port LCD segment pin or LCD common output pin LCD common output pin LCD power pin Power pin low active low active pull high 3.3V RC Ground pin
32 1 1 4 2 3 1 1 1 1 1 1 1 64
pull high 75Kohm@5V pull high 75Kohm@5V 75Kohm@5V DSP
Total Pin
Note - Please notice input pin pull low/high or output pin driving current capacity in this table.
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 4 of 22 Rev 1.0 Oct. 5, 2004 Fax:886-3-3521052
CM2916
LCD Driver with Key Scan(4*8)
. AC / DC Characteristics
Absolutely max. ratings
ITEM Operating Temperature Storage Temperature Supply Voltage Voltage to input terminal SYMBOL Top Tsto VDD Vin RATING -20 - +70 -50 - +125 5.5 Vss-0.3 to Vdd+0.3 UNIT
V V
D.C. Characteristics
Condition : Ta= 25 Item Operating voltage Power consumption current stand by current 3 RH Symbol 65 % VDD = Condition 5V VSS=0V min. 2.2 typ. 5 400 1 0 0.7VDD 2.7 2.6 VDD 5V, VOH=4.5V VDD 5V, VOL=0.5V VDD 5V, VOH=4.5V VDD 5V, VOL=0.5V VLCD = 4.5V VLCD = 4.5V VLCD = 4.5V VLCD = 4.5V 100 25 8 20 3 6 10 2 200 50 20 4 300 70 Max. 5.5 800 2 0.3VDD VDD unit V uA uA V V V V mA mA mA mA Kohm Kohm uA uA
Input low voltage for input pin Input high voltage for VIH1 input pin RC oscillator VST start-up voltage RC oscillator VSU sustain voltage GOUT source current IOH GOUT sink current IOL O1-O4 source current IOH O1-O4 sink current IOL Segment output Rseg impedance Common output Rcom impedance R-bias current(default) IR1 R-bias current IR2
VDD IOPR System clock at 256Khz RC oscillator, LCD off, no load, @5V Ist System halt, No load, RC oscillator off, LCD off, @5V VIL1
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 5 of 22 Rev 1.0 Oct. 5, 2004 Fax:886-3-3521052
CM2916
LCD Driver with Key Scan(4*8) A.C. Characteristics
Condition : Ta= 25 3 RH 65 % VDD = 5V VSS=0V Item Symbol Condition min. System clock fSYS RC oscillator @5v, external 5% 180 resistor and 15% capacitor LCD frame frequency FLCD1 1/3 duty 60 LCD frame frequency FLCD2 1/4 duty 45 LCD frame frequency FLCD 1/5 duty 36 FCK clock 5V Clock duty 50% CKWB/CKRB TSYNC @5V CKWB/CKRB Note oscillator resonator CM2916 typ. 256 85 64 51 1 500 Max. 332 110 83 66 unit KHz HZ HZ HZ MHz ns
40
RC
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 6 of 22 Rev 1.0 Oct. 5, 2004 Fax:886-3-3521052
CM2916
LCD Driver with Key Scan(4*8)
. Block Diagram
Serial Interface Control Circuit
LCD RAM
LCD DRIVER
RC Oscillator
Low Voltage Reset/ Detector
BIAS CIRCUIT
DATA OUT
CODE SETTING
KEY SCAN
DECODER
EEPROM INTERFACE
OUTPUT PORT
RLCD-2
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 7 of 22 Rev 1.0 Oct. 5, 2004 Fax:886-3-3521052
CM2916
LCD Driver with Key Scan(4*8)
. Function Description
1. CONTROL REGISTER TABLE
Register
00H 01H 02H 03H 04H 05H 06H 07H 08H 09H 0AH 0BH 0CH 0DH 0EH 0FH 10H 11H 12H 13H 14H 15H 16H 17H 18H 19H 1AH 1BH 1CH 1DH 1EH 1FH 20H 21H 22H 23H 24H 25H 26H 27H 28H 29H 2AH 2BH 2CH 2DH 2EH 2FH 30H 31H SEG0 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24
Bit3
COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 ----
Bit2
COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 ----
Bit1
COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 ----
Bit0
COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4
Initial
XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ----
R/W
RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 8 of 22 Rev 1.0 Oct. 5, 2004 Fax:886-3-3521052
CM2916
LCD Driver with Key Scan(4*8)
Register
32H 33H 34H 35H 36H 37H 38H 39H 3AH 3BH 3CH 3DH 3EH 3FH 40H 41H 42H 43H 44H 45H 46H 47H 48H 49H 4AH 4BH 4CH 4DH 4EH 4FH 50H 51H 52H 53H 54H 55H 56H 57H 58H 59H 5AH 5BH 5CH 5DH 5EH 5FH 60H 61H 62H 63H 64H SEG25 SEG26 SEG27 SEG28 SEG29 SEG30 SEG31 SEG32 SEG33 SEG34 SEG35 SEG36 SEG37 SEG38 LCDC1 SEG39 LCDC2 SEG40 LCDC3 SEG41 LCDC4 SEG42 GKEYE0 SEG43 GKEYE1 SEG44 GKEYF0 SEG45 GKEYF1 SEG46 GKEYG0 SEG47 GKEYG1 SEG48 GKEYH0 SEG49 GKEYH1 SEG50
Bit3
COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 ---COM3 SEG50 (COM4) COM3 SEG51 (COM4) COM3 SEG52 (COM4) COM3 SEG53 (COM4) COM3 GKE3 COM3 GKE7 COM3 GKF3 COM3 GKF7 COM3 GKG3 COM3 GKG7 COM3 GKH3 COM3 GKH7 COM3
Bit2
COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 ---COM2 SEG46 (COM4) COM2 SEG47 (COM4) COM2 SEG48 (COM4) COM2 SEG49 (COM4) COM2 GKE2 COM2 GKE6 COM2 GKF2 COM2 GKF6 COM2 GKG2 COM2 GKG6 COM2 GKH2 COM2 GKH6 COM2
Bit1
COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 ---COM1 SEG42 (COM4) COM1 SEG43 (COM4) COM1 SEG44 (COM4) COM1 SEG45 (COM4) COM1 GKE1 COM1 GKE5 COM1 GKF1 COM1 GKF5 COM1 GKG1 COM1 GKG5 COM1 GKH1 COM1 GKH5 COM1
Bit0
COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 COM4 COM0 SEG38 (COM4) COM0 SEG39 (COM4) COM0 SEG40 (COM4) COM0 SEG41 (COM4) COM0 GKE0 COM0 GKE4 COM0 GKF0 COM0 GKF4 COM0 GKG0 COM0 GKG4 COM0 GKH0 COM0 GKH4 COM0
Initial
XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX 0000 XXXX 0010 XXXX 0000 XXXX 0010 XXXX 0000 XXXX 0010 XXXX 0000 XXXX 0010 XXXX RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW
R/W
RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW ---RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 9 of 22 Rev 1.0 Oct. 5, 2004 Fax:886-3-3521052
CM2916
LCD Driver with Key Scan(4*8)
Register
65H 66H 67H 68H 69H 6AH 6BH 6CH 6DH 6EH 6FH 70H 71H 72H 73H 74H 75H 76H 77H 78H 79H 7AH 7BH 7CH 7DH 7EH 7FH CMD1 SEG51 CMD2 SEG52 CMD3 SEG53 EEC FLAG C14 C58 R14 OUTC OUTD KEY1 KEY2 ROM1L ROM1H ROM2L ROM2H GKEYA0 GKEYA1 GKEYB0 GKEYB1 GKEYC0 GKEYC1 GKEYD0 GKEYD1
Bit3
D7 COM3 LCDB COM3 GOUT/ SEG COM3 EEN LVDF C4/SEG C8/SEG R4/SEG O4/SEG O4 K3 K7 R13 R17 R23 R27 GKA3 GKA7 GKB3 GKB7 GKC3 GKC7 GKD3 GKD7
Bit2
LVS COM2 LCDD2 COM2 GOUT COM2 EEFLT KEYF C3/SEG C7/SEG R3/SEG O3/SEG O3 K2 K6 R12 R16 R22 R26 GKA2 GKA6 GKB2 GKB6 GKC2 GKC6 GKD2 GKD6
Bit1
LVREN COM1 LCDD1 COM1 IRIC COM1 EER WKF C2/SEG C6/SEG R2/SEG O2/SEG O2 K1 K5 R11 R15 R21 R25 GKA1 GKA5 GKB1 GKB5 GKC1 GKC5 GKD1 GKD5
Bit0
LVEN COM0 TEST COM0 STOP COM0 EESET EEOKF C1/SEG C5/SEG R1/SEG O1/SEG O1 K0 K4 R10 R14 R20 R24 GKA0 GKA4 GKB0 GKB4 GKC0 GKC4 GKD0 GKD4
Initial
0001 XXXX 0110 XXXX 1110 XXXX 1001 0000 0000 0000 0000 0000 0000 0000 0110 0000 0000 0000 0000 0000 0010 0000 0010 0000 0010 0000 0010 RW RW RW RW RW RW RW R RW RW RW RW RW R R RW RW RW RW RW RW RW RW RW RW RW RW
R/W
RW RW RW RW RW RW RW R RW RW RW RW RW R R RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW R R RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW R RW RW RW RW RW R R RW RW RW RW RW RW RW RW RW RW RW RW
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 10 of 22 Rev 1.0 Oct. 5, 2004 Fax:886-3-3521052
CM2916
LCD Driver with Key Scan(4*8) A. CMD
Register
65H 67H 69H CMD1 CMD2 CMD3
Bit3
D7 LCDB GOUT/ SEG
Bit2
LVS LCDD2 GOUT
Bit1
LVREN LCDD1 IRIC
Bit0
LVEN TEST STOP
Initial
0001 0110 1110 RW RW RW
R/W
RW RW RW RW RW RW RW RW RW
- LVEN high active - LVREN high low voltage reset IC power on reset - LVS Low 2.5v +/- 10% high 3.3v +/- 10% - D7 "K7" data key "K7" register remote control key "K7" remote code - LCDD2/LCDD1 LCDD2/LCDD1 00 LCD 1/4 duty LCDD2/LCDD1 01 LCD 1/3 duty LCDD2/LCDD1 10 LCD 1/5 duty LCDD2/LCDD1 11 LCD off - LCDB high LCD bias current 50uA Default low LCD bias current 200uA - KEYC high (SEG51/R4, SEG50/R3, SEG49/R2, SEG48/R1) R1-R4 key scan low LCD segment - STOP high RC oscillator off stand by mode 1uA default low state - IRIC high default SEG52/IRI IRI low LCD segment - GOUT Default high green mode GOUT pin data register low CPU operating mode - SEG53/GOUT high default (SEG53/GOUT) GOUT low LCD segment
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 11 of 22 Rev 1.0 Oct. 5, 2004 Fax:886-3-3521052
CM2916
LCD Driver with Key Scan(4*8)
LVS De-bounce 64us LVDF reg. Band gap POR LVEN LVREN System reset
B. EEC
Register
6BH EEC
Bit3
EEN
Bit2
EEFLT
Bit1
EER
Bit0
EESET
Initial
1001 RW
R/W
RW RW RW
- EESET high default EEPROM initial CPU low CPU initial EEPROM ( GOUT OUTD register EESET CM2916 read EEPROM CPU CM2916 read EEPROM GOUT&OUTD release CPU access) - EEN high (Default) enable EEPROM interface SEG7/EDA, SEG6/ECL pin EEPROM interface pin low 2 pin SEG7/EDA, SEG6/ECL segment pin - EEFLT EEN high EEFLT high EEPROM interface pin floating EEFLT low normal state on board EEPROM IC pin floating IC - EER EEN high EER high EEPROM data 35 ms EER register clear EER low normal state EEPROM mode EDA ECL pin pull high 500Kohm function read EEPROM EDA pin pull high 75Kohm function - Read EEPROM IC EEPROM EEPROM master CPU read EEPROM bus
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 12 of 22 Rev 1.0 Oct. 5, 2004 Fax:886-3-3521052
CM2916
LCD Driver with Key Scan(4*8) C.
6BH 6CH
EEPROM data
Register
EEC FLAG
Bit3
EEN LVDF
Bit2
EEFLT KEYF
Bit1
EER WKF
Bit0
EESET EEOKF
Initial
1001 0000 RW R
R/W
RW R RW RW RW R
MCU EER flag high ( EEPROM) clear EEOKF flag low EER flag EEPROM read EER flag low Customer code/ Green key/ D7/ GOUT/ OUTC/ OUTD/ C14/ C58/ R14 EEPROM initial check bit END register "FA" code clear "EEOKF" low EEPROM read fail GOUT 0 wake up CPU MCU EER flag high ( EEPROM) clear EEOKF flag low EER flag EEPROM read EER flag low MCU EEOKF flag EEPROM load Resister name
ROMIL ROMIH ROM2L ROM2H GKEYA0 GKEYA1 GKEYB0 GKEYB1 GKEYC0 GKEYC1 GKEYD0 GKEYD1 GKEYE0 GKEYE1 GKEYF0 GKEYF1 GKEYG0 GKEYG1 GKEYH0 GKEYH1 D7 GOUT OUTD OUTC C14 C58 R14 END
Address
00H 01H 02H 03H 04H 05H 06H 07H 08H 09H 0AH 0BH 0CH 0DH 0EH 0FH 10H 11H 12H 13H 14H 15H 16H 17H 18H 19H 1AH 1BH
Data bit D0D1D2D3
B3B2B1B0 B3B2B1B0 B3B2B1B0 B3B2B1B0 B3B2B1B0 B3B2B1B0 B3B2B1B0 B3B2B1B0 B3B2B1B0 B3B2B1B0 B3B2B1B0 B3B2B1B0 B3B2B1B0 B3B2B1B0 B3B2B1B0 B3B2B1B0 B3B2B1B0 B3B2B1B0 B3B2B1B0 B3B2B1B0 XXXB0 XXXB0 B3B2B1B0 B3B2B1B0 B3B2B1B0 B3B2B1B0 B3B2B1B0 1111
Check bit D4D5D6D7
0101 0101 0101 0101 0101 0101 0101 0101 0101 0101 0101 0101 0101 0101 0101 0101 0101 0101 0101 0101 0101 0101 0101 0101 0101 0101 0101 1010
EEPROM interface format
DATA n DATA n+1 D0 | D1 | D2 | D3 | D4 | D5 |D6 | D7 RLCD-B
SDA
D0 | D1 | D2 | D3 | D4 | D5 |D6 | D7
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 13 of 22 Rev 1.0 Oct. 5, 2004 Fax:886-3-3521052
CM2916
LCD Driver with Key Scan(4*8)
D. FLAG
Register
6CH FLAG
Bit3
LVDF
Bit2
KEYF
Bit1
WKF
Bit0
EEOKF
Initial
0000 R R
R/W
RW R
- LVDF : flag high - KEYF key input set KEYF flag CPU flag clear KEY1/ KEY2 - WKF Power on reset flag clear CPU initial chip flag CPU bit chip power on initial - EEOKF EEPROM code OK set bit high
KEY1/KEY2 set wake up WKF
E. C14/ C58/ R14
Register
6DH 6EH 6FH C14 C58 R14
Bit3
C4/SEG C8/SEG R4/SEG
Bit2
C3/SEG C7/SEG R3/SEG
Bit1
C2/SEG C6/SEG R2/SEG
Bit0
C1/SEG C5/SEG R1/SEG
Initial
0000 0000 0000 RW RW RW
R/W
RW RW RW RW RW RW RW RW RW
- C14/ C58/ R14 function
high
pin
key scan function Default
low
segment
F. OUTC/OUTD
Register
70H 71H OUTC OUTD
Bit3
O4/SEG O4
Bit2
O3/SEG O3
Bit1
O2/SEG O2
Bit0
O1/SEG O1
Initial
0000 0000 RW RW
R/W
RW RW RW RW RW RW
- OUTC function - OUTD
PIN
segment
general out port function data register
low default
segment
general out port
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 14 of 22 Rev 1.0 Oct. 5, 2004 Fax:886-3-3521052
CM2916
LCD Driver with Key Scan(4*8) G. KEY1/KEY2
Register
72H 73H KEY1 KEY2
Bit3
K3 K7
Bit2
K2 K6
Bit1
K1 K5
Bit0
K0 K4
Initial
0000 0110 R R R R
R/W
R R R R
ON chip key scan & from external CM2221/CM2222 encoder input
KEY NAME K11 K21 K31 K41 K12 K22 K32 K42 K13 K23 K33 K43 K14 K24 K34 K44 K51 K61 K71 K81 K52 K62 K72 K82 K53 K63 K73 K83 K54 K64 K74 K84 K16+K26 K16+K36 DATA CODES K0 K1 K2 K3 K4 K5 K6 0000000 1000000 0100000 1100000 0010000 1010000 0110000 1110000 0001000 1001000 0101000 1101000 0011000 1011000 0111000 1111000 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 K7 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 KEY NAME K15 K25 K35 K45 K16 K26 K36 K46 K17 K27 K37 K47 K18 K28 K38 K48 K55 K65 K75 K85 K56 K66 K76 K86 K57 K67 K77 K87 K58 K68 K78 K88 K16+K46 DATA CODES K0 K1 K2 K3 K4 K5 K6 0000100 1000100 0100100 1100100 0010100 1010100 0110100 1110100 0001100 1001100 0101100 1101100 0011100 1011100 0111100 1111100 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 K7 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1
K7 is from "D7" data register when on chip key scan.
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 15 of 22 Rev 1.0 Oct. 5, 2004 Fax:886-3-3521052
CM2916
LCD Driver with Key Scan(4*8) H. Custom code
Register
74H 75H 76H 77H ROM1L ROM1H ROM2L ROM2H
Bit3
R13 R17 R23 R27
Bit2
R12 R16 R22 R26
Bit1
R11 R15 R21 R25
Bit0
R10 R14 R20 R24
Initial
0000 0000 0000 0000 RW RW RW RW RW RW RW RW
R/W
RW RW RW RW RW RW RW RW
ROM1H/ROM1L -
ROM2H/ROM2L
custom code
programming custom code
MASK OPTION EEPROM software programming
I.
Green key
Register
55H 57H 59H 5BH 5DH 5FH 61H 63H 78H 79H 7AH 7BH 7CH 7DH 7EH 7FH GKEYE0 GKEYE1 GKEYF0 GKEYF1 GKEYG0 GKEYG1 GKEYH0 GKEYH1 GKEYA0 GKEYA1 GKEYB0 GKEYB1 GKEYC0 GKEYC1 GKEYD0 GKEYD1
Bit3
GKE3 GKE7 GKF3 GKF7 GKG3 GKG7 GKH3 GKH7 GKA3 GKA7 GKB3 GKB7 GKC3 GKC7 GKD3 GKD7
Bit2
GKE2 GKE6 GKF2 GKF6 GKG2 GKG6 GKH2 GKH6 GKA2 GKA6 GKB2 GKB6 GKC2 GKC6 GKD2 GKD6
Bit1
GKE1 GKE5 GKF1 GKF5 GKG1 GKG5 GKH1 GKH5 GKA1 GKA5 GKB1 GKB5 GKC1 GKC5 GKD1 GKD5
Bit0
GKE0 GKE4 GKF0 GKF4 GKG0 GKG4 GKH0 GKH4 GKA0 GKA4 GKB0 GKB4 GKC0 GKC4 GKD0 GKD4
Initial
0000 0010 0000 0010 0000 0010 0000 0010 0000 0010 0000 0010 0000 0010 0000 0010 RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW
R/W
RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW
code
GKEYA1/GKEYA0 GKEYB1/GKEYB0 GKEYC1/GKEYC0 GKEYD1/GKEYD0 green programming green code MASK OPTION EEPROM software programming Wake up power on WKF 0 read EEPROM data initial EEPROM data wake up EEPROM "FA" code wake-up GOUT 0 - CPU check IC "WKF" "0" "0" IC power on WKF 1 decoder green code code wake-up GOUT 0 CPU power saving GOUT resister write "1"
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 16 of 22 Rev 1.0 Oct. 5, 2004 Fax:886-3-3521052
CM2916
LCD Driver with Key Scan(4*8) 2. LCD
Command Mode 101 110 A6A5A4A3A2A1A0 A6A5A4A3A2A1A0
B0B1B2B3 B0B1B2B3
A.
Command Mode 101 A6A5A4A3A2A1A0
B0B1B2B3
101
Fck
A6A5A4A3A2A1A0
B0B1B2B3
101
A6A5A4A3A2A1A0
B0..
Tsync
101
Fck
A6A5A4A3A2A1A0
B0B1B2B3
B0B1B2B3
B0B1B2B3
B0B1B2B3
Tsync
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 17 of 22 Rev 1.0 Oct. 5, 2004 Fax:886-3-3521052
CM2916
LCD Driver with Key Scan(4*8) B.
Command Mode
110 A6A5A4A3A2A1A0 B0B1B2B3 1 10 A6A5A4A3A2A1A0 B0..
110
A6A5A4A3A2A1A0
B0B1B2B3
110 A6A5A4A3A2A1A0 B0B1B2B3 B0B1B2B3 B0B1B2B3 B0B1B2B3
3. The keyboard form :
C1 R1 R2 R3 R4 K11 K21 K31 K41 C2 K12 K22 K32 K42 C3 K13 K23 K33 K43 C4 K14 K24 K34 K44 C5 K15 K25 K35 K45 C6 K16 K26 K36 K46 C7 K17 K27 K37 K47 C8 K18 K28 K38 K48
RLCD-A
4. To set the custom codes ( A0 - - - A15 )
The custom codes ( A0 - - - A15 ) can be set by EEPROM or software programming equal to (R10/ ... R17/ R20/ ... R27). The (A0..A15)
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 18 of 22 Rev 1.0 Oct. 5, 2004 Fax:886-3-3521052
CM2916
LCD Driver with Key Scan(4*8) 5. LCD pattern
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 19 of 22 Rev 1.0 Oct. 5, 2004 Fax:886-3-3521052
CM2916
LCD Driver with Key Scan(4*8)
. Application circuit
Px Px
MCU
Px IR rcv.
0.1u
COM 0 -- COM4 O1 SEG 2 - SEG53 O2 VLCD C1 C2 CKRB C3 C4 CKWB C5 C6 DIO C7 IRI C8 VDD GND R1 R2 R3 R4
GND
Power supply
GOUT
ROSC
EEPROM
ECL EDA RLCD-3
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 20 of 22 Rev 1.0 Oct. 5, 2004 Fax:886-3-3521052
CM2916
LCD Driver with Key Scan(4*8)
. CM2916 interface(Software)
1. Power on 1. Power on SEG2 SEG3 SEG4 SEG5 default EEPROM O1 O2 O3 O4 pin 2. Power on SEG6/ECL SEG7/EDA EEPROM INTERFACE EEPROM keep high MCU programming(EEN) 2 pin segment pin 3. Power on SEG40~51 default EEPROM(C14&C58&R14) R1~R4 C1~C8 4. Power on SEG53/GOUT SEG52/IRI default GOUT IRI pin MCU programming segment pin 2. Initial power on LCD off(LCD1&LCD2 high) 1. initial register & LCD register 2. LCDD1 LCDD2 register LCD duty LCD on 3. GOUT PIN 1. GOUT pin power on default high ( EEPROM download ) 2. GOUT pin Hi MCU off(power saving) wake up green key wake up (green key ID code EEPROM download) 4. Sleep Mode MCU scan key input MCU read KEYF flag read KEYF high MCU Read key buffer (KEY1 KEY2 register) code MCU green key write to CM2916(address 69H) GOUT flag GOUT high(application power down) 5. MCU interface address high bit serial CM2916 data low bit serial CM2916 ( )
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 21 of 22 Rev 1.0 Oct. 5, 2004 Fax:886-3-3521052
CM2916
LCD Driver with Key Scan(4*8)
. Package Information
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 22 of 22 Rev 1.0 Oct. 5, 2004 Fax:886-3-3521052

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