Kenwood TK-270G Semiconductor Data, Microprocesser : 30622M4102GP TX-RXUNIT : IC13, TK-260G/270G

TK-260G/270G

SEMICONDUCTOR DATA

Microprocesser : 30622M4102GP (TX-RX UNIT : IC13)

■Pin function

Pin	Port	I/O		Function
No.	Name
1	APC	O	TX:Automatic Power Control data output
			RX:BPF tuning data
2	DTMF	O	DTMF/2TONE BEEP output
3	2TN	I	2TONE decode pulse input
4	DTMSTD	I	DTMF decode detect		detect:H
5	SIM	I	Destnation selct
6	BYTE	I	+5V(5M)
7	CNVSS	I	GND
8	AFSTB	O	Base Band IC strobe/rest output
9	AFFCLK	O	Base Band IC frame rest/system reset output
10	RESET	I	Reset
11	XOUT	O	Clock output
12	VSS	-	GND
13	XIN	I	Clock input
14	VCC	-	+5V
15	NC	I	NC
16	EN2	I	Encoder pulse input 2
17	AUX3	I/O	Option board port 3		*Smar Trunk:
			Clock output	*E Trunk: Step pulse input
18	INT	I	Battery voltage monitor input Low battery:L
19	OE	I	Not used
20	TOTCXO	I	QT/DQT modulation output(TCXO)
21	EEPDAT	I/O	EEPROM data input/output
22	TOVCO	O	QT/DQT modulation output(VCO)
23	AUX1	I	Option board port 1		*Smar Trunk:
			Req/Ack input	*E Trunk: TX Request input
24	SFTSTB	O	Shift register strobe output
25	EN1	O	Encoder pulse input 1
26	DACS	I	Chip select output(Max dev) Select:L
27	EN3	I	CH selector input (TK-260G)
28	NC	O	NC
29	AUX4	O	Option board port 4		*Smar Trunk:
			Data output
30	AUX2	I/O	Option board port 2		*Smar Trunk:
			Data input	*E Tunk: Synchronizing input
31	KOUT3	O	Key scan output 3
32	KOUT2	O	Key scan output 2
33	TXD	O	Serial data
34	PTT/RXD	I	PTT on: L/Serial data
35	KOUT1	O	Key scan output 1
36	KOUT0	O	Key scan output 0
37	RDY	-	Not used
38	ALE	O	Not used
39	HOLD	I	Not used
40	HLDA	O	Not used
41	BLCK	O	Not used
42	RDY	O	READ signal
43	BHE	O	Not used
44	WR	O	WRITE signal
45	LCDCS	O	LCD chip enable output
46	CNTDAT	O	Common data output
			(EEPROM,LCD,SHIFT REG,1bit D/A MODEM)
47	CNTCLK	O	Common clock output
			(EEPROM,LCD,SHIFT REG,1bit D/A MODEM)

Pin	Port	I/O	Function
No.	Name
48	CSO	-	Chip select signal
49	A19	-	Not used
50-59	A18-A9	-	Flash memory address bus
60	ACC	-	+5V
61	A8	-	Flash memory address bus
62	VSS	-	GND
63-70	A7-A0	-	Flash memory address bus
71-75	KIN0-KIN4	I	Key scan input
76	PLLUL	O	PLL unlock detect input	unulock: L
77	PLLSTB	O	PLL strobe output Latch: L
78	SAVE	I	Battery save output
79-86	D7-D0	-	Flash memory data bus
87	KEYAD	I	MONI LAMP key input
88	BATT	I	Battery voltage input
89	RFDAT	O	PLL data output
90	RFCLK	O	PLL clock output
91	NC	-	NC
92	RSSQL	I	Receive signal strength indicator input
93	ANLSQL	I	Analog squelch level input
94	AVSS	-	GND
95	TOI	I	QT/DQT signal input
96	VREF	-	Reference voltage input
97	AVCC	-	GND
98	DTMPD	O	DTME IC power control	Power down: H
99	DTMCLK	O	DTME IC decode clock output
100	DTMDAT	I	DTME IC decode data input

Shift register 1:BU4094BCFV(IC5)

■Pin function

Pin	Port	I/O		Function
No.
4	W/N	O	Wide/Narrow SW		Narrow: L
5	MUTE	O	RX audio/MIC mute		Mute: L
6	NC	O	NC
7	LED0	O	RED LED	LED lights: H
11	BSHIFT	O	Beat Shift	Shift on: H
12	REG2	O	Base Band IC inter register select 2
13	REG1	O	Base Band IC inter register select 1
14	LED1	O	GREEN LED	LED lights: H

Shift register 2:BU4094BCFV(IC6)

■Pin function

Pin	Port	I/O			Function
No.
4	5MC	O	5MC control	Power on: L
5	5RC	O	5R control	Power on: L
6	5TC	O	5T control	Power on: H
7	SPMUTE	O	AF amp power supply control Power on: H
11	AUX6	O	Option board port 6
12	AUX5	O	Option board port 5
13	LCDBLK	O	LCD back light		Back light on: L
14	RX	O	RX/TX VCO SW		RX: L

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