
15
KDC-MP738U/W7541U
/W7541UY/X792/X8009U
Pin No.
Pin Name
I/O
Application
Processing / Operation / Description
101
CE
I/O Memory operation permission
L: Operate, H: Wait
Hi-Z: When starting up SW3.3
102
NC
O
Not used
Output L
fi
xed
103
MULTI CCW
I
Rotary 2 A input (For new operation)
1 pulse/2 clicks
15 pulses/360°
104
MULTI CW
I
Rotary 2 B input (For new operation)
1 pulse/2 clicks
15 pulses/360°
105
ROMCOR_SCL
I/O For ROM correction
Input when other than writing-in (including STB)
Hi-Z: When starting up SW3.3
106
ROMCOR_SDA
I/O For ROM correction
Input when other than writing-in (including STB)
Hi-Z: When starting up SW3.3
107
NC (SEL_E2P)
O
Not used
Output L
fi
xed
108
PON_TRI_GREEN
O
Triangle green light on switch
H: ON, L: OFF
On when blackout
108
NC
O
Not used (In models without blackout)
Output L
fi
xed
109
PON_TRI_RED
O
Triangle red light on switch
H: ON, L: OFF
110,111
NC
O
Not used
L
fi
xed
112
3.3VDD
113
EVSS
114
NC
O
Not used
L
fi
xed
115
PON_RED,BLUE
O
Red and Blue key illumi light on switch
H: ON, L: OFF
116
PON_SW3.3V
I/O
Kanji ROM, ROM correction
Rotary encoder power supply
L: ON, Hi-Z: OFF
117
NC
O
Not used
Output L
fi
xed
118~123 A21-A16
O
Address output
124
2.5VDD
125
VSS
126~133 A15-A8
O
Address output
134
3.3VDD
135
EVSS
136~142 A7-A1
O
Address output
143
NC
O
Not used
Output L
fi
xed
144
D15
I/O Data input/output
MICROCOMPUTER’S TERMINAL DESCRIPTION