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KDC-MP925/W8027
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No.
Pin Name
87
FL LATCH
88,89
NC
90
REMO ON
91
FL3.3V SW
92
FL+B SW
93
3.3V SW
94
NC
95
OE
96
NC
97
WE/WR
98
3.3V VDD
99
EVSS
100
CE ROM
101
CE F/ROM
102
FLASHROM CHECK
103,104
NC
105
GREEN LED
106
RED LED
107
DISP LED
108
BLACK DISP
109,110
NC
111
SA RST
112
3.3V VDD
113
EVSS
114~117
NC
118~123
A21~A16
124
2.5V VDD
125
VSS
126~133
A15~A8
134
3.3V VDD
135
EVSS
136~143
A7~A0
144
D15
10
I/O
O
Latch output to FL driver IC
-
NC
O
Power supply control for remote control IC (H : ON, Hi-Z : OFF)
O
FL3.3V control terminal (H : ON, Hi-Z : OFF)
O
FL+B control terminal (H : ON, Hi-Z : OFF)
O
3.3V control terminal (L : ON, Hi-Z : OFF)
-
NC
O
OE control for Flash ROM (L : DATA transmission, Hi-Z : Wait ready)
-
NC
O
WRITE/READ control for Flash ROM (L : Writing, Hi-Z : Wait ready)
-
AVR 3.3V
-
GND
O
CE control for ROM (L : DATA transmission, Hi-Z : Wait ready)
O
CE control for Flash ROM (L : DATA transmission, Hi-Z : Wait ready)
O
Writing condition check for Flash ROM (H : OK, L : NG)
-
NC
O
Select for illumination (GREEN H : ON, L : OFF)
O
Select for illumination (RED H : ON, L : OFF)
O
DISP LED control (Normal H: ON, L : OFF)
O
Light up to DISP LED (H : ON, L : OFF)
-
NC
O
Reset for spectrum analyzer (H : Reset, L : Normal)
-
AVR 3.3V
-
GND
-
NC
O
Address bus
-
AVR 2.5V
-
GND
O
Address bus
-
AVR 3.3V
-
GND
O
Address bus
I/O
External ROM data input/output terminal
Description / Processing Operation
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