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