Kenwood TK-80, Руководство по обслуживанию

Страница: 22 / 125

TK-80
21
SEMICONDUCTOR DATA
Microprocessor: 37702E8LHJMHF (Control unit IC5)
Pin No. Pin Name Port Name I/O Description
1 FSL P66 I Selective call lock detect input. H: Detect, L: Normal
2 PSC P65 O Power relay control. H: ON, L: OFF
3 BKC INT2 I Reduced voltage input. H: Normal, L: Reduced voltage, Rise pulse: Power supply turned on
4 BOVR INT1 I Excess voltage input. H: Normal, L: Excess voltage
5 PSW INT0 I Power SW input. H: Input, L: No input
6 CK1 TA4in I Encoder input 1
7 CK2 TA4out I Encoder input 2
8 MU P56 I Microphone UP key input. H: No input, L: Input
9 SPED TA3out O AT motor drive control. H: Go, L: Stop
10 MD P55 I Microphone DWN key input. H: No input, L: Input
11 SIDE TA2out O Sidetone (timer output)
12 PDA P53 O PLL serial data, EEPROM serial data, diode matrix selection
13 BZ TA1out O System beep (timer output)
14 LDA P51 O LCD driver serial data
15 LCK P50 O LCD driver serial clock
16 ULK P47 I PLL lock decision. H: Lock, L: Unlock
17 TOE P46 O DTMF IC bus control. H: Enable, L: HighZ
I Selective call unit attachment decision. H: Not attached, L: Attached
18 STD P45 I DTMF input decision. H: Input, L: No input
19 PCK P44 O For PLL/DDS, serial clock
20 SO P43 O Key matrix selection. H (HighZ): Normal, L: Select
21 LBLK P42 O LCD all illuminate. H: All illuminate, L: Normal
22 TXC P41 O Transmission control. H: TX, L: Non-TX
23 RXC P40 O Receiver control. H: RX, L: Non-RX
24 BYTE BYTE I (External bus width designated)
25 CNVss CNVss I CPU actuation mode designated
26 RESET RESET I CPU reset
27 XIN XIN I System clock
28 XOUT XOUT O System clock
29 E E O Not used
30 Vss Vss - GND
31 CKY P33 O Transmission control CKY output. H: Transmission (carrier output), L: Reception
32 MCS P32 O EEPROM CS. H: CS
33 MDI P31 I EEPROM data read
34 UCK P30 O Common serial clock
35 UDA P27 O Common serial data
36 CASL P26 O Carrier DDS register selection. H: Register B, L: Register A
37 NC P25 I Not used
38 A1 P24 O Expansion I/O address
39 A0 P23 O Expansion I/O address
40 IOS P22 O Expansion I/O CS signal, H: Normal, L: CS