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  Datasheet File OCR Text:
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5 6 7 O-*AIE www.XinShiLi.net AEAEA|AEuCEeE1/2
8
VAIN
RA1 250K
RA2 250K
RA3 250K
RA4 250K
RA5 250K
RA6 250K
RA7 250K
RA8 250K R4 1.2K
V2P
ATT7022A DEMO 2005/12/10
IO
www..com
C1 0.01U
A
REFO
A
VBIN RB1 250K RB2 250K RB3 250K RB4 250K RB5 250K RB6 250K RB7 250K RB8 250K R9 1.2K REFO C2 0.01U C34 + 10U VCIN RC1 250K RC2 250K RC3 250K RC4 250K RC5 250K RC6 250K RC7 250K RC8 250K REFO V5N V5P AGND V3N V3P REFC V1N V1P SIG RESET R14 1.2K
RA1~RA8,RB1~RB8,RC1~RC8
RESET SIG DOUT DIN SCLK
RESET SIG DOUT DIN SCLK CS
V4P
C39 C9 0.1U 0.01U
VCC CS R1 100K
V6P
C3 0.01U
C8 0.1U
C4 0.1U
Y1 24M576
C50 15P
REFO U1 ATT7022 15P 44 43 42 41 40 39 38 37 36 35 34 GND OSCO OSCI VCC REVP DOUT DIN SCLK CS VCC C48 0.1U C51 R41 510 B 11 10 9 8 7 6 5 4 3 2 1
B J1 1 VAIN RV1 20K681 4 2 VN 5 1 3 T1 4
BG1 C13 470U/50V MC78M05CT 1 Vin GND U2 +5V 3 VCC R16 10
2
AVCC
REFO R31 1.2K
V2N C43 0.1U C23 0.01U
3
1A X 4
C14 2 0.1U/50V
C15 2200U/16V
C16 0.1U
C18 100U
C17 0.1U
REFO R32 1.2K
V4N C24 0.01U
C44 0.1U
AVCC V2P V2N AGND V4P V4N AVCC V6P V6N
12 13 14 15 16 17 18 19 20 21 22
AGND
M_TRANS2 GND GNDAGND AGND REFO R33 1.2K
V6N C25 0.01U J1 J13 2 1
GND
SEL CF1 CF2
1
BG2
J19 1 IA1 R23 10 2
R17 1.2K
GND
V1P
J2 1 C VBIN RV2 20K681 1
T2 4 3
C19 0.01U AGND C10 0.01U C11 0.01U
23 24 25 26 27 28 29 30 31 32 33
GND TEST NC SEL CF1 CF2 NC NC NC NC VDD
AVCC V2P V2N AGND V4P V4N AVCC V6P V6N NC NC
REFOUT V5N V5P AGND V3N V3P REFCAP V1N V1P SIG RESET
1
GND OSCO OSCI VCC REVP VDD DOUT DIN SCLK CS VCC
C37 + C46 10U 0.1U
C49 0.1U D2 LED
VDD1 C47 0.1U C38 + 10U
C
3
1A X 4
4 2 VN 5 M_TRANS2
A
REFO R18 10
C5 0.01U R42 R43 N1 D3 510 J14 1 2 NEC2501 R5 1.2K V1N 510
J20 1 IA2
N2
J17 1 2
NEC2501 D4 LED
1
J21 BG3 1 2 IB1 R24 10
R19 1.2K
V3P J23 C20 0.01U AGND 1 IC1 R25 10
LED
J3 1 VCIN RV3 20K681 1
T3 4 3
R21 1.2K
V5P Actions Semiconductor Co., Ltd. C28 0.01U Title Version Date Sheet C7 0.01U Drawn By Checked By Approved By Size 1 of 1
4 J4 D 1 VN 2 5 M_TRANS2
3
1A X 4
B
REFO R20 10
ATT7022A DEMO Met
1.0
D
C6 0.01U R10 1.2K V3N
C
R22 10 J24 1 IC2
REFO
AGND
J22 1 IB2
R15 1.2K
V5N
A3
8
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