Sony Walkman NW-HD1 Service Manual page 41

Pin No. Pin Name
144 HIORDY
145 XHDMACK
146 HDMARQ
147 HINTREQ
148 XHRESET
149 LRCK
150 BCK
151 DATA
152 XRDE
153 FS256
154 DTCK
155 URESET
156 USLEEP
157 HDD_PWR_CTL
158 GSEN_PWR_CTL
159 BACKLIT_PWR
160 D33_MODE
161 RESET_LCD
162 XEL_PWR_CTL
163 GPIO8
164 SYNCMODE
165 TDI
166 TMS
167 TCK
168 TRST
169 TDO
170 to 172 TEST0 to TEST2
173 XICKSTP
174 NC
175 to 190 VDE33
191 to 200 VDE33
201 to 206 VDE33
207 to 223 GND
224 to 228 NC
I/O
I
Wait signal input from the hard disk drive unit
O
DMA acknowledge signal output to the hard disk drive unit
I
DMA request signal input from the hard disk drive unit
I Interrupt request signal input from the hard disk drive unit
O
Reset signal output to the hard disk drive unit
O
L/R sampling clock signal output to the sub system controller
O
Bit clock signal output to the sub system controller
O Transmission data output to the sub system controller
O
Transmission enabling signal output to the sub system controller
I
Clock signal (11.2896 MHz) input from the main system controller
I/O
Two-way TSB communication data bus with the remote commander
O Reset signal output to the USB controller
O
Sleep signal output to the USB controller
O
Power supply on/off control signal output terminal for hard disk drive unit Not used
O
Power supply on/off control signal output terminal for acceleration sensor
O Power supply on/off control signal output terminal for liquid crystal display back light
O
Power supply on/off control signal output to the DC/DC converter for +3.3V power supply
O
Reset signal output to the liquid crystal display unit
I/O
Not used
I/O Not used
I
Sync/non-sync mode selection signal input terminal Not used
I
Data input terminal (for JTAG) Not used
I
Test mode control signal input terminal (for JTAG) Not used
I Clock signal input terminal (for JTAG) Not used
I
Reset signal input terminal (for JTAG) Not used
O
Data output terminal (for JTAG) Not used
I
Input terminal for the test mode setting
I Sleep signal input from the main system controller
—
Not used
—
Power supply terminal (+1.2V)
—
Power supply terminal (+1.8V)
—
Power supply terminal (+3.3V)
—
Ground terminal
—
Not used
Description
NW-HD1
41