Icom IC-M802 manual 17

3-7-8 FRONT CPU				PORT ALLOCATIONS (RC-25,
DISPLAY BOARD; IC8201)
Pin		Port		Description
number	name
17	DSEL			Outputs DISTRESS LED control sig-
				nal.
21	FUNK			Input port for the O switch.
22		TXK		Input port for the [TX] switch.
23		RXK		Input port for the [RX] switch.
24	FCHK			Input port for the [FREQ/CH] switch.
25		T0K		Input port for the [0] switch.
26	ENTK			Input port for the [ENT] switch.
28	PWRK			Input port for the [POWER] switch.
31	PMUT			Input port for the phone plug insert
				detection signal.
32	FPTT			Input port for the [PTT] switch from the
				microphone connector (J8701, pin 5).
33	AFGL			Input port for the AF volume control.
34	M1AD			Input port for the using microphone
				detection signal.
35	M2AD			Input port for the switch signal on the
				microphone.
36	M3AD			Input port for the microphone connect-
				ing detection.
		CL1
			RS
41–46		RD		Output LCD drive signals.
		WR
		RES
			CS
48–55	DB7–DB0			Output LCD drive signals.
57		T9K		Input port for the [9] switch.
58		T8K		Input port for the [8] swtich.
59		T7K		Input port for the [7] swtich.
60		T6K		Input port for the [6] switch.
61		T5K		Input port for the [5] switch.
62		T4K		Input port for the [4] switch.
63		T3K		Input port for the [3] switch.
64		T2K		Input port for the [2] switch.
65		T1K		Input port for the [1] switch.
66	EMLK			Input port for [e-mail]/[DSC]/[TS]
				switches.
67	SETK			Input port for the [SET] switch.
68	MODK			Input port for the [MODE] switch.
69	TUNK			Input port for the [TUNE] switch.
70	DALK			Input port for [CANCEL]/[TELCALL]/
				[TXF] switches.
71	CSCK			Input port for [DSC]/[CALL]/[CH0]/
				[SELCALL] switches.
72	DSTK			Input port for the [DISTRESS]/[CALL]/
				[ALM] switches.

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