Semiconductor Data - Kenwood TM-D710A Service Manual

TM-D710A/D710E
Panel MPU: 30626FHPGKBXC
(Display unit IC1)
Pin No. Port Name I/O
1 2099EN O
2 RTC_SCL O
3 LCD_RES O
4 CLOCK O
5 DATA O
6 BYTE I
7 NC -
8 ENC_1 I
9 SQCIN I
10 RESET I
11 XOUT O
12 VSS I
13 XIN I
14 VCC I
15 NMI I
16 ENC_2 I
17 RXD_INT I
18 INT I
19 PKSOUT O
20 AMBER O
21 EEPCS O
22 EEPSI I
23 DA_EN O
24 BEEP O
25 INTRA I
26 GREEN O
27 RXD(TNC) I
28 TXD(TNC) O
29 TXD O
30 RXD I
31 CLKFLS I
32 FLS_SW I
33 TXD(PC) O
34 RXD(PC) I
6

SEMICONDUCTOR DATA

Function
Chip enable output for serial-parallel
conversion IC (BU2099FV)
RTC (RV5C386A) serial clock output
(I2C bus)
LCD driver reset terminal
Common serial clock output
(EEPROM, DAC, serial-parallel)
Common serial data output
(EEPROM, DAC, serial-parallel)
Not used (5V)
Not used (GND)
Encoder, B
Squelch state input from transceiver
main unit
System reset
System clock output (11.0592MHz)
GND
System clock input (11.0592MHz)
5V power supply
Not used (5V)
Encoder, A (INT)
RXD detection interrupt from main
unit UART terminal
Power supply voltage fall detection
interrupt
PKS request output to transceiver
main unit
Brightness output PWM (Amber)
EEPROM (AT25256A) chip select
output
EEPROM (AT25256A) serial data input
DAC (M62364) chip select output
BEEP sound output
RTC fi xed-cycle interrupt terminal
Brightness output PWM (Green)
UART input from internal TNC terminal
UART output to internal TNC terminal
UART output to main unit MPU
UART input from main unit MPU
Not used (GND)
Not used (5V)
UART data output to PC terminal
UART data input from PC terminal
Pin No. Port Name I/O
35 S9600 I Baud rate state input of TNC
36 PKSIN I Packet standby (PKS) state input of TNC
37 RDY I Not used (5V)
38 ALE - Not used
39 HOLD/EPM I Not used (5V)
40 HLDA - Not used
41 BCLK - Not used
42 RD O LCD driver RD terminal
43 BHE - Not used
44 WR O LCD driver WR terminal
45 MALED I Message state input to my station
46 TNCCTS O UART inhibiting signal output to TNC
47 TNCRTS I UART inhibiting signal input from TNC
48 LCD_CS0 O LCD driver chip select
49 KEY_4 I [MHz] key input
50 KEY_3 I [MR] key input
51 KEY_2 I [VFO] key input
52 KEY_1 I [CALL] key input
53 KEY_8 I [REV] key input
54 KEY_7 I [TONE] key input
55 KEY_6 I [F] key input
56 KEY_5 I [KEY] key input
57~59 NC - Not used
60 VCC I 5V power supply
61 NC - Not used
62 VSS I GND
63~69 NC - Not used
70 LCD_A0 O LCD driver (Address bus)
71 PSW I Power switch detection interrupt
72 KEY_15 I [PM] key input
73 KEY_14 I [TNC] key input
74 KEY_13 I [BAND SEL B] key input
75 KEY_12 I [BAND SEL A] key input
76 KEY_11 I [PF2] key input
77 KEY_10 I [PF1] key input
78 KEY_9 I [LOW] key input
LCD_D7~
79~86 O LCD driver (Data bus)
LCD_D0
87 CONLED I Connection state input
The transmission remaining packet
88 STALED I
state input
89 GPSLED I GPS measurement state input
Function