Semiconductor Data - Kenwood TK-2140 Service Manual

TK-2140
Microprocesser : 30620M8A-XXXGP (TX-RX UNIT : IC309)
Pin function
Pin Port
I/O
No. Name
1 LSDO O Low speed data output. (QT/DQT/LTR)
2 HSDO O High speed data output. (DTMF)
3 HSDI I High speed data input. (2Tone)
4 DSTB O D/A converter data strobe output.
5 5RC O RX power control.
6 BYTE - +5V.
7 CNV - GND.
SS
8 AFDAT O MODEM MSK encode data output.
9 AFRDT I MODEM MSK decode data input.
10 RESET - CPU reset.
11 XOUT - CPU clock.
12 VSS - GND.
13 XIN - CPU clock.
14 V - +5V
CC
15 - - NC
16 DTSTD I DTMF decoder data detect input.
17 AFTRD I MODEM MSK encode data output timing
Pulse input.
18 AFRTM I MODEM MSK decode data Input timing
pulse input.
19 EEPDAT I/O EEPROM data input/output.
20 BEEP O Beep output.
21 SKEY I [S] Key input.
22 AKEY I [A] Key input.
23 BKEY I [B] Key input.
24 CKEY I [C] Key input.
25 AUX I [AUX] Key input.
26 PTT I [PTT] Key input.
27 MONI I [MON] Key input.
28 LAMP I [LAMP] Key input.
29 AUXTXD O External serial interface (COM1) TDX1.
30 AUXRXD I External serial interface (COM1) RXD1.
31 DTMDAT I DTMF decoder data input.
32 DTCLK O DTMF decoder clock output.
33 TXD O Serial interface (COM0) TXD0 (to MIC
connector).
34 RXD I Serial interface (COM0) RXD0 (to MIC
connector).
35 DAT O Common data output.
36 CLK O Common clock output.
37 RDY - Can not used.
38 ALE - Can not used.
39 HOLD - Can not used.
40 HLDA - Can not used.
41 BLCK - Can not used.
42 RD O Flash memory RD bus.
43 BHE - Can not used.
44 WR O Flash memory WR bus.
45 SAVE O Battery save output.
46 SELF I Self programming mode enable input.
47 CS/MODE O LCD driver chip select output.
48 CS0 O Flash memory chip enable.
49 A19 - Can not used.
50~59 A18~A9 O Flash memory address bus.
12

SEMICONDUCTOR DATA

Function
H: TX L: RX
Pin Port
I/O
No. Name
60 V - +5V
CC
61 A8 O Flash memory address bus.
62 VSS - GND.
63~70 A7~A0 O Flash memory address bus.
71 UL I PLL unlock detect input.
72 EP O PLL IC Data Strobe output.
73 DP O PLL IC Data output.
74 CP O PLL IC Clock output.
75~78 EN4~1 I Rotary SW input 4~1.
79~86 D7~D0 I Flash memory data bus.
87 PF I SP-Mic PF switch input.
88 VOL I Volume level input.
89 BATT2 I Battery distinction input.
90 BATT1 I Battery voltage
91 ASQL I Squelch level input.
92 TEMP I Thermistor input.
93 RSSI I Received signal strength indicator input
(RSSI).
94 AVSS - GND.
95 LSDI I Low speed data input (QT/DQT/LTR).
96 VREF - +5V
97 AVCC - +5V
98 SFTSTB1 O Shift register data strobe output.
99 OE O Shift register output enable output.
100 AFSTB O MODEM data strobe output.
Function