Sony NW-S4 Service Manual page 22

NW-S4
Pin No. Pin Name
51 HINT
52 CVDD
53 BFSX0
54 BFSX2
55 HRDY
56 DVDD
57 DVSS
58 HD0
59 BDX0
60 BDX2
61 IACK
62 HBIL
63 NMI
64 INT0
65 INT1
66 INT2
67 INT3
68 CVDD
69 HD1
70 CVSS
71 BCLKX1
72 DVSS
73 BFSX1
74 BDX1
75 DVDD
76 DVSS
77 CLKMD1
78 CLKMD2
79 CLKMD3
80 HPI16
81 HD2
82 TOUT
83 EMU0
84 EMU1/OFF
85 TDO
86 TDI
87 TRST
88 TCK
89 TMS
90 CVSS
91 CVDD
92 HPIENA
93 DVSS
94 CLKOUT
95 HD3
22
I/O
O Interrupt request signal output terminal Not used (open)
—
Power supply terminal (+1.5V)
O
LR frame signal output to the D/A converter (IC302)
O Chip select signal output to the EEPROM (IC603)
O Ready signal output terminal Not used (open)
—
Power supply terminal (+3.2V)
— Ground terminal
O Enable signal output to the flash ROM (IC602)
O Serial data transmit signal output to the D/A converter (IC302)
O Serial data transmit signal output to the EEPROM (IC603) and CPU (IC801)
O Interrupt request signal output terminal Not used (open)
— Not used (fixed at "H")
I Nonmaskable interrupt request signal input terminal Not used (fixed at "H")
I Interrupt request signal input terminal Not used (fixed at "H")
I Interrupt request signal input from the CPU (IC801)
I Interrupt request signal input from the USB controller (IC901)
I Interrupt request signal input terminal (connected to pin y; (BDX2))
—
Power supply terminal (+1.5V)
O Enable signal output to the flash ROM (IC602)
— Ground terminal
O Serial clock signal output to the D/A converter (IC302)
— Ground terminal
O
Serial data receive signal output terminal Not used (fixed at "H")
O Serial data transmit signal output terminal Not used (open)
— Power supply terminal (+3.2V)
— Ground terminal
I Clock mode signal output terminal Not used (fixed at "L")
I Clock mode signal output terminal Not used (fixed at "H")
I Clock mode signal output terminal Not used (fixed at "L")
— Not used (fixed at "L")
O Reset signal output to the USB controller (IC901) "L": reset
O Timer signal output terminal Not used (open)
I Emulator signal input terminal Not used (open)
O Emulator signal output terminal Not used (open)
O Test data signal output terminal Not used (open)
I Test data signal input terminal Not used (open)
I Test reset signal input terminal Not used (open)
I Test clock input terminal Not used (open)
I Test mode select signal input terminal Not used (open)
— Ground terminal
—
Power supply terminal (+1.5V)
I HPI module select signal input terminal Not used (fixed at "L")
— Ground terminal
O Master clock output terminal Not used (open)
O USB ON/OFF control signal output terminal "L": ON
Description