Kenwood TS-2000, Service Manual

Page: 34 / 171

34
TS-2000/X
Main CPU : 64F2633xxxx (Control unit IC8)
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Pin function
No. Name I/O Function
1 MD1 I Operation mode setting pin 1.
Connect to Vcc.
2 MD2 I Operation mode setting pin 2.
Connect to Vcc.
3,4 NC –
5~8 HA0~HA3 O Address bus.
9 Vss – GND.
10 HA4 O Address bus.
11 Vcc I 3.3V.
12~14 HA5~HA7 O Address bus.
15 Vss – GND.
16 ADC1 O Analog switch control signal.
17 PVcc I 5V.
18 ADC2 O Analog switch control signal.
19 PSC O Power relay control.
20 DASH I Electronic key dash signal.
21 DOT I Electronic key dot signal.
22 STSC O RS-232 IC start instruction.
23 CKY O Transmission power output specification.
24 CTS2 I UART operation instruction input from
personal computer control.
25 RTS2 O UART operation instruction output to
personal computer control.
26 TXD2 O Data output to PC/IF.
27 RXD2 I Data input from PC/IF.
28 RES O Peripheral equipment reset input.
29 Vss – GND.
30 BEEP O Beep pattern output to DSP.
31 PCK O PLL unit common clock output.
32 PDA O PLL unit common data output.
33 DATA O Common data output.
34 PSW I Power switch interrupt.
35,36 NC –
37 CLOCK O Common clock output.
38 MRBK O Main RBK output.
39 SRBK O Sub RBK output.
40 MABK O Main ABK output.
41 SABK O Sub ABK output.
No. Name I/O Function
42 DRES O DSP reset output.
43 ULK I Main/sub common unlock signal.
44 12ULK I 1.2GHz band unlock signal.
45 DREN O DRU-3 enable.
46 ESCK O EEPROM clock output.
47 ESI O EEPROM data output.
48 Vss – GND.
49 HD0 O Data bus.
50 PVcc I 5V.
51~57 HD1~HD7 O Data bus.
58 TXD0 O Data output to main unit panel.
59 RXD0 I Data input from main unit panel.
60 PVcc I 5V. Power supply pin for pin 52~61.
61 START I Interrupt for returning from sleep mode.
(PC/mobile head)
62 Vss – GND.
63 TXD1 O Data output to mobile head.
64 RXD1 I Data input from mobile head.
65 BOVR I Over voltage detection interrupt.
66 TTO O AT-300 control signal.
67,68 NC –
69 TSO O AT-300 control signal.
70 TTI I AT-300 control signal.
71 AMD I Amplitude comparison detection inst-
ruction input.
72 CSD2 O DSP control chip select 2
73 CSD1 O DSP control chip select 1.
74 TSI I AT-300 control signal.
75 NC O
76 PLLVcc I Internal PLL oscillator power 3.3V.
77 PLLCAP I
78 PLLVss – Internal PLL oscillator GND.
79 RESET I Hard reset input.
80 NMI I Normally H.
81 STBY I Hardware standby pin. Normally : H
82 FWE I Flash light enable.
Normally : L, During writing : H
83 XTAL I Crystal oscillator 11.0592MHz.
SEMICONDUCTOR DATA