38
MZ-E505
Pin No.
Pin Name
I/O
Description
156, 157
TEST1, TEST0
I
Input terminal for the main test (normally fixed at “L”)
158
EVA
I
EVA/FLASH chip discrimination terminal “L”: FLASH chip, “H”: EVA chip
159
NC
—
Not used
160
SSB DATA
I/O
Input/output of SSB data with RF amp
161
SSB CLK
O
SSB clock output to RF amp
162
MCUVSS0
—
Ground terminal (for the microcomputer block)
163
LED GREEN
PWM
O
164
VL PWM
O
PWM signal output for the laser power supply voltage control to the power control
165
VC PWM
O
PWM signal output for the system power supply voltage control to the power control
166
VG PWM
O
Not used
167
LED RED PWM
O
168
NC
O
Not used
169
CLK SEL
O
System clock select signal output terminal Not used
170
OPEN CLOSE
SW
I
Not used
171
NC
O
Not used
172
SET CODE0
I
Input terminal for the set (fixed at “L” in this set)
173
SET CODE1
I
Input terminal for the set (open in this set)
174
SET CODE2
I
Input terminal for the set (fixed at “L” in this set)
175
SET CODE3
I
Input terminal for the set (open in this set)
176
MIFVDD1
—
Power supply terminal (for the microcomputer I/F block) (+1.9V)
177
MIFVSS1
—
Ground terminal (for the microcomputer I/F block)
178
AOUT SEL
O
HP/LINE changeover signal output terminal Not used
179
SI0
I
Serial data input from the nonvolatile memory
180
SO0
O
Serial data output to the nonvolatile memory
181
SCK0
O
Serial clock signal output to the nonvolatile memory
182
XGUM ON
I
Rechargeable battery detection switch input terminal “L”: there is rechargeable battery
Not used
183
BEEP
O
Beep sound control signal output to the headphone amp
184
NC
O
Not used
185
VD SEL
O
VD power supply changeover signal output terminal Not used
186
XMUTE
O
Analog muting control signal output “L”: muting ON Not used
187
LCD RST AUX
O
Reset control signal output terminal “L”: reset Not used
188
PAUSE KEY
I
Pause key input terminal Not used
189
MIC SENSE
O
Mic sense control signal output “L”: Low sensitivity “H”: High sensitivity Not used
190
XPATCH
I
Patch function detection input terminal “L”: patch function (fixed at “L” in this set)
191
OPT DET
I
DIN plug detection signal input terminal Not used
192
XJACK DET
I
LINE IN plug detection signal input terminal Not used
193
XMIC DET
I
Microphone plug detection signal input terminal Not used
194, 195
PD S0, PD S1
O
PD IC mode changeover signal output to the optical pick up
196
MIFVDD2
—
Power supply terminal (for the microcomputer I/F block) (+1.9V)
197 to
199
MODE1 to 3
O
Power supply control signal output terminal (for the over write head drive) Not used
200, 201
HD CON 1, 2
O
Over write head control signal output terminal Not used
202
XTEST
I
Terminal for test mode set (nomally: open) “L”: test mode
203
XCS ADA
O
Chip select signal output terminal Not used
