15
MZ-E501
Pin No.
Pin Name
I/O
Description
156, 157
TEST1, TEST0
I
Terminal 1, 0 for the main test
158
EVA
I
EVA/FLASH chip discrimination terminal
159
OPR LED
O
Operation LED control (Not used in this set)
160
SSB DATA
I/O
Input/output of SSB serial data
161
SSB CLK
—
SSB serial clock
162
MCUVSS0
—
Ground (for the microcomputer block)
163
OPR_LED_R_PWM
O
Operation LED (R) control PWM
164
VL PWM
—
PWM for the laser power supply voltage control
165
VC PWM
—
PWM for the system power supply voltage control
166
SPDL_AUX_PWM
O
Spindle auxiliary control PWM
168
NC
O
Not used (open)
169
CLK SEL
O
Not used (open)
170
OPEN CLOSE
SW
I
Not used (open)
171
GND SW
O
Not used (open)
172
SET CODE0
O
Set code 0
173
SET CODE1
O
Set code 1
174
SET CODE2
O
Set code 2
176
MIFVDD1
—
Power supply (for the microcomputer I/F block)
177
MIFVSS1
—
Ground (for the microcomputer I/F block)
178
AOUT SEL
O
HP/LINE changeover signal output Not used (open)
179
SI0
I
Serial data input (CH0)
180
SO0
O
Serial data output (CH0)
181
SCK0
O
Serial clock signal output (CH0)
182
XGUM ON
I
Not used (open)
183
BEEP
O
Beep sound output
191
OPT DET
I
Not used (open)
192
XJACK DET
I
Not used (open)
193
XMIC DET
I
Not used (open)
194, 195
PD S0, PD S1
O
PD IC mode changeover 0, 1
196
MIFVDD2
—
Power supply (for the microcomputer I/F block)
197 to
199
MODE1 to 3
O
Not used (open)
200, 201
HD CON 1, 2
O
Not used (open)
202
NC
O
Not used (open)
203
XCS ADA
O
Not used (open)
167
OPR_LED_G_PWM
O
Operation LED (G) control PWM
175
SET CODE3
O
Set code 3
204
XPD ADA
O
Not used (open)
205
XCS LCD
O
Not used (open)
184
NC
—
Not used (open)
185
VD. SEL
O
Not used (open)
186
XMUTE
O
Not used (open)
187
LCD_RST_AUX
O
Not used (open)
188,189
NC
O
Not used (open)
190
X PATCH
I
Not used (connected to ground)
Summary of Contents for MZ-E501
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