47
MZ-NH900
Pin No.
Pin Name
I/O
Description
237
CC_CTL
/VI_CTL
O
Constant current circuit control signal output terminal
238
XRST_MTR
_DRV
O
Reset signal output to the motor driver
239
XCS_NV
O
Chip select signal output to the EEPROM
240
CHG_PWM
O
Charge current or voltage control signal output terminal
241
IAMP_CAL
O
Offset signal output of current sense amplifier Not used
242
NC
—
Not used
243
D_VCONT
_PWM
I
For voltage control signal output to the headphone amplifier
244
CHG_OPR_LED
O
Charge indication LED drive signal output terminal Not used
245
XCS_REC_DRV
O
Chip select signal output to the over write head driver
246
GND_SW
O
Ground line switching signal output terminal
247
CS_RTC
O
Chip select signal output for real time clock Not used
248
JOG_A
I
Jog dial pulse input terminal
249
JOG_B
I
Jog dial pulse input terminal
250
VBUS_DET
I
USB power supply voltage detection terminal
251
SSB_DATA
I/O
SSB data input/output with the RF amplifier
252
SSB_CLK
O
SSB clock output to the RF amplifier
253
HIMD_
PROTECT
I
Recording protector detection input for Hi-MD disc
254
LDPEN
O
Pulse/DC light-emit switching signal output terminal
255
CHG_TYPE2
O
Battery charge control signal output terminal “H”: charging
256
DRAM_HOLD
_DET
I
Detection terminal for internal D-RAM power supply information keeping
257
DRAM_VDD
_CLR
O
Internal D-RAM power latch clear signal output for quick mode sleep
258
AD2ENDF
I
Monitoring terminal for flag of servo signal A/D measuring finish
259
TEST
—
Not used
260
SRAM_MODE
I
Not used
261
HSALF
I
Not used
262 to
271
TIGER_MON0 to
TIGER_MON9
O
Trigger monitoring terminal output clock=18.5 MHz
272
XLSRCK
O
Pulse output for laser strobe recording
273
TAT
—
Not used
274
TAN
—
Not used
275
NAR
—
Not used
276
IDO
—
Not used
277
SAK
—
Not used
278
LRCKI
I
L/R sampling clock signal input terminal for PCM data interface Not used
279
XBCKI
I
Bit clock signal input terminal for the PCM data interface Not used
280
DATAI
I
Serial clock signal input terminal for the PCM data interface Not used
281
SI3
I
Serial data input for LAM microcomputer communication Not used
282
SO3
O
Serial data output for LAM microcomputer communication Not used
283
SCK3
O
Serial data transfer clock signal output for LAM microcomputer communication Not used
284
SI4
I
Data input from ATRAC3 plus encoder communication Not used
285
SO4
O
Data output for ATRAC3 plus encoder communication Not used
286
SCK4
O
Clock signal output for ATRAC3 plus encoder communication Not used
Summary of Contents for Walkman MZ-MH900
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