Sony Walkman MZ-RH1 - IC Pin Function Descriptions (Continued - IC801 P4); IC801 Main Board Pinout Description (5;5)

48
MZ-RH1
Pin No. Pin Name I/O Description
209
USB_CHARGE O USB charge control signal output terminal
210
XRF_RST O Reset signal output to the RF amplifier
211
CHG_PWM O Charge current or voltage control signal output to the charge control IC
212
IAMP_CAL O Offset signal output for current detection amplifier to the charge control IC
213
XMUTE O Muting on/off control signal output terminal
214
D_VCONT_
PWM
O Voltage control signal output to the headphone amplifier
215
PWM4 - Not used
216
XCS_USB_DRV - Not used
217
XCS_REC_DRV - Not used
218
XCS_REC_USB O Chip select signal output to the power control IC
219
USB_VDD_SW - Not used
220
XCS_NV O Chip select signal output to the EEPROM
221
VBUS_DET I Detection terminal of USB power supply
222
SSB_DATA I/O SSB data input/output with the RF amplifier
223
SSB_CLK O SSB clock output to the RF amplifier
224
HI_Z_SPDL O Standby signal output for the spindle motor to the motor driver
225
LDPEN O Pulse/DC light-emit selection signal output to the optical pick-up block
226 to 229
HNH, HNL, HPH,
HPL
O EFM encode data output for the recording to the over write head driver
230, 231
TEST, TEST2 I Input terminal for the test Not used
232
HSALF I Setting terminal
233, 234
JTAG0, JTAG1 I/O Setting terminal
235
XLSRCK O Pulse output for laser strobe recording to the optical pick-up
236
USBHOLD2 I Detection terminal of USB power supply
237
VBUS_VB_CTL O USB power supply control signal output terminal
238
CHG_CTL O Constant current circuit control signal output to the charge control IC
239
IAMP_CTL O Current sense amplifier control signal output to the charge control IC
240
D_ENVREG O Internal power supply on/off control signal output to the headphone amplifier
241
TAT I Not used
242
TAN I Not used
243
NAR I Not used
244
IDO I Not used
245
SAK O Not used
246
RTCK O Not used
247
SI3 I Serial data output terminal Not used
248
SO3 O Serial data output to the A/D converter
249
SCK3 O Serial data transfer clock signal output to the A/D converter
250
SI4 I Serial data input from the display driver IC
251
SO4 O Serial data output to the display driver IC
252
SCK4 O Serial data transfer clock signal output to the display driver IC
253
EL_VDD_CTL O EL power supply on/off control signal output terminal
254
XCS_DISPLAY O Chip select signal output to the display driver IC
255
OPT_DET I Optical digital input plug detection signal input terminal "H": optical in
256
XJACK_DET I Line input plug detection signal input terminal "L": plug in
257
XMIC_DET I Microphone input plug detection signal input terminal "L": plug in
258
DOUT O Not used
259
XCS_ADC O Chip select signal output to the A/D converter