Kenwood TK-2402, Service Manual

Page: 14 / 46

TK-2402(V)/2402/2406/2407
14
SEMICONDUCTOR DATA
Pin No. Signal Name I/O Function
1 BLULED O Blue LED light control(Hi:LED ON)
2 LSDO O QT/DQT output
3 HSDENC O 2-Tone/BEEP output
4 CML_CSN O Chip select for baseband IC
5 SCLK_CML O SCLK for baseband IC
6 MODE I (Using E8a emulator)
7 SDATA_I_CML I REPLY for baseband IC
8 SDATA_O_CML O Command for baseband IC
9 RESET I MCU reset input
10 XOUT O X'TAL (19.2MHz)
11 VSS - GND
12 XIN I X'TAL (19.2MHz)
13 VCC - 3.3V
14 BSHIFT O MCU clock frequency shift
15 CML_IRQ I IRQ for baseband IC
16 INSPMT O BTL IC mute
17 INT0 I Battery low interrupt(4.5V)
18 INSPSW O BTL IC supply voltage control
19 NC O -
20 5RC O 5R control output
21 5CC O 5C control output
22 NC O -
23 NC O -
24 TXD O Serial data (FPU) to PC
25 RXD I Serial data (FPU) from PC
26 EM_SCLK O For E8a emulator
27 NC O -
28 EMPTT O Emergency PTT
29 PTT I PTT Input
30 NC O -
31 50VC O
5V AVR control for GPS MIC op-
tion/OPT DET
32 5TC O 5T control output
33 NC O -
34 EMP O For FDT tool
35 LPSW O Low power switch (Not used)
36 33MSC O 33MS control for switched 33M
37 NC O -
38 NC O -
39 CE O For FDT tool
40 MODEL I For Model check
MCU:F363BEDFEKDLF (TX-RX unit IC702)
Pin No. Signal Name I/O Function
41 OPTDET I Option detection
42 GRNLED O
Green LED light control(Hi:LED
ON)
43 REDLED O Red LED light control(Hi:LED ON)
44 MIC_MT O MIC mute
45 EXTSPSW O Speaker mute
46 MINVOL O Minimum volume control
47 DICSW O APC voltage discharge switch
48 EN1 I Encoder detection 1
49 EN3 I Encoder detection 3
50 EN2 I Encoder detection 2
51 EN4 I Encoder detection 4
52 PF1 l Side key1
53 PF2 l Side key2
54 APC SW O APC enable/disable
55 SCLK_EEP O Clock for EEPROM
56 SDATA_O_EEP O SI for EEPROM
57 EEP_WP O Write protect for EEPROM
58 SDATA_I_EEP I SO from EEPROM
59 EEP_CS O Chip select for EEPROM
60 TH_DET I Temperature level input
61 QT/DQT IN I QT/DQT decode
62 HSDDEC I 2-Tone/5-tone decode
63 BATT I Battery level input
64 CVIN I
VCO lock voltage (for auto align-
ment)
65 BUSY I Busy level input
66 RSSI I RSSI level input
67 VOX I VOX level input
68 NC O -
69 NC O -
70 PLL_PS O Sleep mode function for PLL IC
71 PLL_UL I Unlock vorutage from PLL
72 PLL_LE O Chip select for PLL IC
73 PLL_DAT O Data output for PLL IC
74 PLL_CLK O Clock ouput for PLL IC
75 AVSS - GND
76 WIDE/NARROW O Wide/Narrow switch
77 VREF - 3.3V for A/D reference
78 AVCC - 3.3V
79 ASSTSW O Assist switch
80 TX/RX O TX RX control(Hi: TX , Lo: RX)