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IZ7010 CIRCUIT FOR ELECTRON PEDOMETER - ERGOMETER
DESCRIPTION The chip is a silicon-gate CMOS LSIs for electron pedometer-ergometer with function watch and alarm. Its provides count and indication of steps, calories, kilometers during current day and night and summing up at changing 24 hours, steps , calories, kilometers with values stored previous ( mode TOTAL DATA ). Length of steps setting from 25 to 95 centimeters. Frequency of registered pulses from external sensor at counting steps is no more than 6Hz at duration of time between the end of previous and beginning of counted pulse no less than 100 ms. Counting steps to 999999. FEATURES
* * * * One-chip CMOS constructions Single 1.5V battery operation Imbed in chip element of quartz generator with operating frequency of 32768 Hz, capacity, resistor, and voltage doubler Built-in LCD driver for control of 7-digit LCD in the mode of two level multiplexing with the mode marks "STEPS", "km", "CL", "CEFF", "L STEP", "ALARM", "TODAY", "TOTAL", divided by colons and dots. Operation from one battery with the voltage of 1.5V, low consumption power; Availability of circuits of contacts bracing suppression on buttons inputs; Frequency of registered pulses from external sensor at counting steps is no more than 6Hz at duration of time between the end of previous and beginning of counted pulse no less than 100 ms; Conversion of quantity of steps into calories , kilometers
FUNCTIONS
* * * * 5 functions for counting time and calendar with indication of hours, minutes, seconds, month, date ; Alarm clock; Count the quantity of steps by means of evaluation and counting pulses from external sensor ; count and indication of steps, calories, kilometers during current day and night (mode DATA OF THE CURRENT DAY"); Conversion of made steps into calories with consideration of the user coefficient with consideration of height, weight and male/female identification; summation up at changing 24 hours, steps , calories, kilometers with values stored previous ( mode TOTAL DATA).
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ABSOLUTE MAXIMUM RATINGS ( Ta = 25oC )
Characteristic Supply Voltage Operating Temperature Storage Temperature Symbol UCC1 Tpor Tstg Value - 0.3 ~ + 2.0 - 0 ~ + 70 - 55 ~ + 125 Unit V o C o C
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IZ7010
ELECTRICAL CHARACTERISTICS (Ta = 25oC, UCC1 = 1.5V, GND= 0V; unless otherwise specified)
Characteristic Supply Voltage Display Voltage Dynamic consumption current Input current of low level on inputs S1, S2, S3, S4 Oscillator Start Voltage Oscillator Stop Voltage Oscillator Frequency Output Current (BD ) Symbol UCC1 UCC2 ICC0 IIL UOSC UOSP FOSC IOH IOL Alarm Output Frequency FOUT Test Condition Min 1.2 2.7 Without Load, WAIT mode Ucc1 = 1.8V, UIL = 0.3V Within 5 Sec 32,768 UOH = 0.7V, Ucc1 = 1.2V, Ucc2 = 2.1V UOL = 0.5V, Ucc1 = 1.2V, Ucc2 = 2.1V -200 200 4096 Typ 1.5 3.0 Max 1.8 3.3 2.5 6 1.45 1.2 Un it V V A A V V Hz A A Hz
APPLICATION CIRCUIT
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IZ7010
Quartz resonator characteristics Fp = 32768Hz CL = 10pF C1 = 0.004pF CO = 2.5pF Rs = 35kOhm Q = 35000
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IZ7010
Description of contact pads
pad 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Symbol S3 S2 BD NC UCC1 UCC2 NC NC GND CAP1 CAP2 OSCO OSCI TST S1 S4 COM1 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 Description control input control input Sound converter control outlet is not used Output of primary supply voltage from voltage source pin of secondary supply voltage is not used is not used general output output of connecting of voltage converter capacity output of connecting of voltage converter capacity output for connection of quartz resonator input for connection of quartz resonator is not used control input count input (COUNT) LCD general electrode control output LCD sign electrode control output LCD sign electrode control output LCD sign electrode control output LCD sign electrode control output LCD sign electrode control output LCD sign electrode control output LCD sign electrode control output pad 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 Symbol SEG8 SEG9 SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 SEG25 SEG26 SEG27 SEG28 SEG29 NC COM2 Description LCD sign electrode control output LCD sign electrode control output LCD sign electrode control output LCD sign electrode control output LCD sign electrode control output LCD sign electrode control output LCD sign electrode control output LCD sign electrode control output LCD sign electrode control output LCD sign electrode control output LCD sign electrode control output LCD sign electrode control output LCD sign electrode control output LCD sign electrode control output LCD sign electrode control output LCD sign electrode control output LCD sign electrode control output LCD sign electrode control output LCD sign electrode control output LCD sign electrode control output LCD sign electrode control output LCD sign electrode control output is not used LCD General electrode control Output
Abbreviations LCD - liquid crystal display
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IZ7010
LCD FORMAT
ALARM
L of step
A F B
STEPS
KCL
RATIO
G E C
D
COL P3 P4 4 5 P5 6 P6 7 2 3
1
TODAY
TOTAL
LCD segments State
Segment SEG29 SEG28 SEG27 SEG26 SEG25 SEG24 SEG23 SEG22 SEG21 SEG20 SEG19 SEG18 SEG17 SEG16 SEG15 COM1 RATIO 7 C7 F7 B6 C6 P6 E6 D5 F5 B4 P4 F4 C3 P3 COM2 A7 G7 D7 E7 G6 D6 TOTAL P5 C5 E5 C4 D4 E4 D3 TODAY Segment SEG14 SEG13 SEG12 SEG11 SEG10 SEG9 SEG8 SEG7 SEG6 SEG5 SEG4 SEG3 SEG2 SEG1 COM1 F3 B2 COL C1 B1 L of step STEPS A2 A3 KM A4 A5 KCAL A6 COM2 E3 C2 D2 E2 ADEG1 ALARM F2 G2 G3 B3 G4 G5 B5 F6
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IZ7010
Control algorithm
CALENDAR
4 SEC S3 S3 S2 DATA OF THE CURRENT DAY S2 S2 STEP COUNT S1 S3 DISTANCE COUNT, KM S1 S3 CALORIES COUNT S1 S2 S2 S1 S2 S2 STEP COUNT S1 DISTANCE COUNT, KM S1 CALORIES COUNT S1 S1 TOTAL DATA
ON/OFF ALARM S3
S2
PRESENT TIME
*
ALARM TIME
S1 S3
SET OF SECONDS
S1
SET OF ALARM HOURS
S1
SET OF HOURS
S1
S3
SET OF ALARM MINUTES
S3 S1
SET OF MINUTES
S1
SET OF MONTH
S1
S3
RESET OF DAILY DATA WITH THEIR ADDING TO TOTAL DATA
STEP LENGTH SETTING
S1
S3 RESET OF DAILY AND TOTAL DATA S3
SET OF DATE
S1 KEY ASSIGNMENT: S1 - SELECT S2 - MODE S3 - SETTING S1 - S1 - *ARE
S3
RESET OF DAILY DATA WITHOUT THEIR ADDING TO TOTAL
S3
USER'S RATIO SETTING (INTEGER)
S1
KEY SHORT PRESSING PRESS AND HOLD AT LEAST FOR 3 SECRETARY IF SECONDS ARE WITHIN 30 THRU 59 THEN SECONDS RESET TO "00" AND "1" IS ADDED TO MINUTES
USER'S RATIO SETTING (HUNDREDTH)
S1
S3
6
IZ7010
7
IZ7010
8
IZ7010
9
IZ7010
STEP COUNT
S2
TRANSFER TO "BASIC MODE"
S1
DISTANCE COUNT, KM
S1
CALORIES COUNT
S1 S1
10
IZ7010
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IZ7010
Calories Count Algorithm Count of calories, consumed in walk, is performed by 5 steps by means of multiplication of the user coefficient by the movement rate coefficient. CAL = RATIO * C RATE ; where : RATIO - user coefficient - number of calories, consumed per 1 step with the movement rate of 60 steps per minute. It is entered by the user in the entry mode of the user settings. Range of values is from 5.00 to 25.00; C RATE - coefficient of movement rate. It is calculated automatically during walk depending on the movement rate by each 5 steps in compliance with the table: Table .1
Movement rate, steps/min C RATE - movement rate coefficient 0065 5 6675 8 7685 11 8695 15 96105 19 106115 23 116125 28 126135 32 136145 36 Over 145 38
For instance: S4
STEPS
t=4sec Rate= (5 steps/4 seconds)*60 seconds=75 steps per minute, C RATE=8; User coefficient RATIO is selected in dependence on height, weight and male/female identification of human. Tentative values of the user coefficient are listed in Table 1 for women and in Table 2 for men. Tentative values of the user coefficient for women
WEIGHT 50 60 70 80 90 100 110 120 140 6,39 7,67 8,95 10,23 11,50 12,78 14,06 15,34 150 6,52 7,82 9,12 10,43 11,73 13,03 14,34 15,64 160 6,73 8,07 9,42 10,46 12,11 13,45 14,80 16,15 HEIGHT 170 7,01 8,42 9,82 11,22 12,63 14,03 15,43 16,84 180 7,37 8,85 10,32 11,79 13,27 14,74 16,22 17,64
Table 1
190 7,79 9,35 10,91 12,47 14,02 15,58 17,14 18,70
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IZ7010
Tentative values of user coefficient for men
WEIGHT 50 60 70 80 90 100 110 120 150 7,86 9,43 11,00 12,57 14,14 15,71 17,28 18,85 160 7,94 9,52 11,11 12,70 14,28 15,87 17,46 19,05 170 8,11 9,73 11,35 12,97 14,59 16,21 17,83 19,46 HEIGHT 180 8,36 10,03 11,70 13,37 15,04 16,71 18,39 20,06
Table 2
190 8,68 10,42 12,15 13,89 15,62 17,36 19,09 20,83 200 9,07 10,8 12,69 14,51 16,32 18,14 19,95 21,76
For instance, for a woman with a weight of 63 kg and height of 174 the tentative value of the user coefficient RATIO=8.42 cal. PAD LAYOUT
39 38 37 36 35 34 33 32 31 30 29 28 27 26 40 41 42 43 44 45 46 47 48 1 2 3 4 5 6 7 8 9 10 11 12 13 14 PAD DIAGRAM IZ7010 Chip size: 2370 x 2120 Pad size : 100 x 100 Unit : m 25 24 23 22 21 20 19 18 17 16 15
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IZ7010
PAD LOCATION
Pad No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Pad Name S3 S2 BD NC Ucc1 Ucc2 NC NC GND CAP1 CAP2 OSCO OSCI TST S1 S4 X 106 154 305 455 606 756 906 1057 1207 1358 1508 1658 1809 1959 2165 2165 Y 335 106 106 106 106 106 106 106 106 106 106 106 106 106 215 366 Pad No. 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Pad Name COM1 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG1 0 SEG1 1 SEG1 2 SEG1 3 SEG1 4 SEG1 5 X 2165 2165 2165 2165 2165 2165 2165 2165 2165 2130 1972 1821 1671 1520 1370 1220 Y 516 666 817 967 1118 1268 1418 1569 1719 1911 1911 1911 1911 1911 1911 1911 Pad No. 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 Pad Name SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 SEG25 SEG26 SEG27 SEG28 SEG29 NC COM2 X 1069 919 768 618 468 317 155 106 106 106 106 106 106 106 106 106 Y 1911 1911 1911 1911 1911 1911 1911 1676 1526 1375 1225 1074 924 774 624 473
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