Kenwood TK-480 - Manual (Page 21)

20
TK-480/481
SEMICONDUCTOR DATA
■ Pin function
Pin No. Port name I/O Function
1 LSDOUT O Low speed data output.
2 HSDOUT O High speed data output.
3 HSDIN I Not used.
4 DTMSTD I DTMF decode IC data detect input.
5 SELF I Not used.
6 BYTE I +5V.
7 CNVSS I GND.
8 SFTOE O Shift register output enable.
9 LCDCS O LCD driver chip select output.
10 RESET I Microcomputer reset input.
11 XOUT - 9.8304MHz (System clock).
12 VSS - GND.
13 XIN - 9.8304MHz (System clock).
14 VCC - +5V
15 AUX I AUX switch input.
16 AFTRD I MSK modulation data output timing
pulse input.
17 AFRTM I MSK demodulation data input timing
pulse input.
18 EN2 I Encoder pulse input 2.
19 PLLCLK O PLL IC clock output.
20 BEEP O Beep data output.
21 AFRDT I MSK demodulation data input.
22 AFREG1 O AF IC register switching data output 1.
23 AFREG2 O AF IC register switching data output 2.
24 EEPDAT O EEPROM data output.
25 DACSTB O D/A converter IC data strobe output.
26 AFCLR O MSK flame reset output.
27 SAVE O Not used.
28 LAMP I LAMP switch input.
29 AUXTXD O External Serial interface output.
30 AUXRXD I External Serial interface input.
31 PLLUL I PLL unlock detect input.
32 AFMSKE O MSK modulation enable (Enable active “H”).
33 TXD O Serial interface output (ex. PC).
34 RXD I Serial interface input (ex. PC).
35 AFDAT O MSK data output.
36 PTT I PTT switch input.
37 RDY - Not used.
38 ALE - Not used.
Pin No. Port name I/O Function
39 HOLD - Not used.
40 HLDA - Not used.
41 BLCK - Not used.
42 RD - Flash memory RD bus.
43 BHE - Not used.
44 WR - Flash memory WR bus.
45 DTMCLK O DTMF decode IC clock output.
46 CNTCLK O Common clock output.
47 PLLSTB O PLL IC data strobe output.
48 CS0 O Flash memory chip enable.
49 A19 - Not used.
50~59 A18~A9 - Flash memory address bus.
60 VCC - +5V
61 A8 - Flash memory address bus.
62 VSS - GND.
63~70 A7~A0 - Flash memory address bus.
71 MONI I Monitor switch input.
72 EN4 I Not used.
73 EN3 I Not used.
74 EN1 I Encoder pulse input 1.
75 MINDAT O Common data output.
76 KEY2 I Key scan input 2.
77 KEY1 I Key scan input 1.
78 RESET O Key scan IC reset output..
79~86 D7~D0 - Flash memory data bus.
87 DTMDAT I DTMF decode IC data input.
88 PF I PF switch input.
89 VOL I Volume level input.
90 BATT I Battery voltage input.
91 ANLSQL I Squelch level input.
92 TEMP I Not used.
93 RSSI I Received signal strength indicator input
(RSSI).
94 AVSS - GND.
95 LSDIN I Low speed data input.
96 VREF - +5V
97 AVCC - +5V
98 SFTSTB1 O Shift register data strobe output.
99 W/N O Not used.
100 AFSTB O AF IC data strobe output.
Microprocessor : 30622M8A-4F9GP (TX-RX Unit IC15)