Sony NW-S4 Service Manual page 23

Pin No. Pin Name
96 X1
97 X2/CLKIN
98 RS
99 to 104 D0 to D5
105 A16
106 DVSS
107 to 110 A17 to A20
111 CVSS
112 DVDD
113, 114 D6, D7
115 to 119 D8 to D12
120 HD4
121 to 123 D13 to D15
124 HD5
125 CVDD
126 CVSS
127 HDS1
128 DVSS
129 HDS2
130 DVDD
131 to 134 A0 to A3
135 HD6
136 to 139 A4 to A7
140, 141 A8, A9
142 CVDD
143 A21
144 DVSS
I/O
O System clock output terminal (16.9344MHz)
I System clock input terminal (16.9344MHz)
I Reset signal input to the CPU (IC801) "L": reset
I/O Two-way data bus with the flash ROM (IC602) and USB controller (IC901)
— Address signal terminal Not used (open)
— Ground terminal
— Address signal terminal Not used (open)
— Ground terminal
— Power supply terminal (+3.2V)
I/O Two-way data bus with the flash ROM (IC602) and USB controller (IC901)
I/O Two-way data bus Not used (open)
O Chip select signal output to the flash ROM (IC602)
I/O Two-way data bus Not used (open)
O Audio system power ON/OFF control signal output terminal "H": ON
—
Power supply terminal (+1.5V)
— Ground terminal
I Data signal input terminal Not used (fixed at "H")
— Ground terminal
I Data signal input terminal Not used (fixed at "H")
— Power supply terminal (+3.2V)
O Address signal output to the USB controller (IC901)
O Reset signal output to the D/A converter (IC302) "L": reset
O Address signal output to the USB controller (IC901)
— Address signal terminal Not used (open)
—
Power supply terminal (+1.5V)
— Address signal terminal Not used (open)
— Ground terminal
Description
NW-S4
23