Semiconductor Data - Kenwood TK-885 Service Manual

Microprocessor : 30620M8-394GP
(TX-RX Unit IC511)
Terminal function
Pin No. Name I/O
1 LSDOUT O
2 HSDOUT O
3 HSDIN I
4 DTMSTD I
5 SELF I
6 BYTE I
7 CNVSS I
8 SFTOE O
9 LCDCS O
10 RESET I
11 XOUT -
12 VSS -
13 XIN -
14 VCC -
15 IGN I
16 AFTRD I
17 AFRTM I
18 MICDAT O
19 CP O
20 BEEP O
21 AFRDT I
22 AFREG1 O
23 AFREG2 O
24 EEPDAT O
25 EN O
26 AFCLR O
27 RXCOM2 I
28 TXCOM2 I/O
29 TXCOM1 O
30 RXCOM1 I
31 LD I
32 AFMSKE O
33 TXD O
34 HOOK I
35 AFDAT O

SEMICONDUCTOR DATA /

Function
Low speed data output.
High speed data output.
High speed data input.
DTMF decode IC data detect input.
No function.
+5V.
GND.
Shift register output enable.
LCD driver chip select output.
Microcomputer reset input.
9.8304MHz (System clock).
GND.
9.8304MHz (System clock).
+5V.
Ignition sense input.
FFSK modulation data output timing
pulse input.
FFSK demodulation data input tim-
ing pulse input.
MIC key data output.
PLL IC clock output.
Beep data output.
FFSK demodulation data input.
AF IC register switching data output 1.
AF IC register switching data output 2.
EEPROM data output.
D/A converter IC data strobe output.
FFSK flame reset output.
External hook input / External serial
interface input.
External PTT input / External serial
interface output.
External serial interface output.
External serial interface input.
PLL unlock detect input.
FFSK modulation enable.
(Enable active "H")
Serial interface output.
Hook input / Serial interface input.
FFSK data output.
TK-885
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