NW-E303 - Sony Audio Service Manual (repair manual). Page 27

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27
NW-E303
Pin No.
Pin Name
I/O
Description
48
PB2/D10
I/O
Two-way data bus for NAND flash memory (IC450)
49
PB3/D11
I/O
Two-way data bus for NAND flash memory (IC450)
50
PB4/D12
I/O
Two-way data bus for NAND flash memory (IC450)
51
PB5/D13
I/O
Two-way data bus for NAND flash memory (IC450)
52
PB6/D14
I/O
Two-way data bus for NAND flash memory (IC450)
53
PB7/D15
I/O
Two-way data bus for NAND flash memory (IC450)
54
PA0/PWM
I/O
Port A (Not used. Fixed +2.8V)
55
PA1/SDA
I/O
Port A (Not used. Fixed +2.8V)
56
PA2/SCL
I/O
Port A (Not used. Fixed +2.8V)
57
PC0/SCK0
I/O
Port C (Not used. Fixed +2.8V)
58
PC1/SO0
I/O
Port C (Not used. Fixed +2.8V)
59
PC2/SI0
I/O
Port C (Not used. Fixed +2.8V)
60
PC3/SCS0
I/O
Port C (Not used. Fixed +2.8V)
61
DVSS2
Ground terminal
62
VDIO2
Power supply terminal (+2.8V)
63
KDI
I
Serial data input for EEPROM (Not used. Fixed +2.8V)
64
KRB
I
Ready/Busy signal input for EEPROM (Not used. Fixed ground)
65
KCLK
O
Serial clock output for EEPROM (Not used. Fixed open)
66
KCS
O
Chip select signal output to EEPROM (Not used. Fixed open)
67
KDO
O
Serial data output for EEPROM (Not used. Fixed open)
68
TEST4
I
Input terminal for the test mode setting (Not used. Fixed ground)
69
PE0/TxD0
O
Transmit data output to UART(CH0) (Not used. TP402 TXD0)
70
PE1/RxD0
I
Recieve data input from UART(CH0) (Not used. TP403 RXD0)
71
PE2/TXD1
O
Transmit data output to UART(CH0) (Not used. TP404 TXD1)
72
PE3/RXD1
I
Recieve data input from UART(CH0) (Not used. TP405 RXD1)
73
PE4/SCK1
O
Serial clock output to real time clock (IC401)
74
PE5/SO1
O
Serial data output to real time clock (IC401)
75
PE6/SI1
I
Serial data input from real time clock (IC401)
76
PE7/SCS1
O
Chip enable signal output to the real time clock (IC401)
77
TEST5
O
Test mode output terminal (Not used. Fixed open)
78
DVDD1
Power supply terminal (+1.2V)
79
DVSS3
Ground terminal
80
VDIO3
Power supply terminal (+2.8V)
81
PF0/EC0/INT3
I
Interruput request signal input terminal (Not used. TP705 GROUP)
82
PF1/T1
O
8 bit timer (CH1) output terminal (Not used. Fixed ground)
83
PF2/EC2/INT4
I
PLAY/STOP key input terminal
84
PF3/T3
O
Battery charge control signal output (H:USB charge 500mA)
85
PF4/BEEP
O
Beep signal output
86
PG0/DACK0
I
Battery charge control signal input (L:charging)
87
PG1/DREQ0/INT5
I
HOLD switch input
88
PG2/DACK1/INT6
I
Interruput request signal input terminal (Not used. Fixed +2.8V)
89
PG3/DREQ1/INT7
I
Interruput request signal input terminal (Not used. Fixed ground)
90
TEST2
I
Input terminal for the test mode setting (Not used. Fixed ground)
91
TEST3
I
Input terminal for the test mode setting (Not used. Fixed ground)
92
TEST0
I
Input terminal for the test mode setting (Not used. Fixed ground)
93
TEST1
I
Input terminal for the test mode setting (Not used. Fixed ground)
94
TEST6
O
Test mode output terminal (Not used. Fixed open)
95
EVA
I
EVA mode select input (Fixed ground)
96
AVSAD
Ground terminal for A/D converter
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