Semiconductor Data - Kenwood TM-V708A Service Manual

TM-V708A
30622M8759GP (PANEL UNIT CPU : IC4)
Pin
Port Name I/O
No.
1 KYCALL I
2 KYVFO I
3 KYMR I
4 KYPM I
5 KYMNU I
6 BYTE I
7 CNVSS I
8 FUNC I
9 KYF1 I
10 RESET I
11 XOUT O
12 VSS -
13 XIN I
14 VCC -
15 NMI (I)
16 INT2 I
17 INT1 I
18 INT0 I
19 KYF2 I
20 KYF3 I
21 NC I
22 NC I
23-26 DIM3-0 O
27 PSW O
28 BS O
29 NC I
30 NC I
31 KYF4 I
32 KYF5 I
33 TXD0 O
34 RXD0 I
35 NC I
14

SEMICONDUCTOR DATA

Function
[CALL] key input
[VFO] key input
[MR] key input
[PM] key input
[MENU] key input
Select 8-bit data bus (5C)
Select memory expansion mode (GND)
[F1] key input
[F2] key input
Reset
Clock output
GND
Clock input
Power supply input
Not used
Interrupt from serial input port
Encoder pulse 1 input
Encoder pulse 2 input
[F3] key input
[F4] key input
Not used (VCC)
Not used (VCC)
Dimmer output
Power SW control output
Beat shift output
Not used (VCC)
Not used (VCC)
[F5] key input
[F6] key input
Serial port for connecting to TX-RX unit
Serial port for connecting to TX-RX unit
Not used (VCC)
Active Pin
Port Name I/O
Level No.
L 36 NC
L 37-41 NC
L 42 RD
L 43 NC
L 44 WR
45 LCDA0
46 LCDCD2
L 47 LCDCD1
L 48 CS0
49 A19
50-59 A18-9
60 VCC
61 A8
62 VSS
63-70 A7-0
71-78 LCDD7-0
79-86 D7-0
87 LCDRD
L 88 LCDWR
L 89 LCDRES
90 PWR
91 B-AFVR
92 B-SQVR
93 A-AFVR
94 AVSS
95 A-SQVR
96 VREF
L 97 AVCC
L 98 MHz
99 B_KEY
100 A_KEY
Function
I Not used (VCC)
I Not used
- Read signal
- Not used
- Write signal
O LCD Address 0
O LCD chip select 2
O LCD chip select 1
- Flash ROM chip select signal
- Not used (Open)
- Address bus 18-9
- Power supply input
- Address bus 8
- GND
- Address bus 7-0
I/O LCD data bus 7-0
- Data bus 7-0
O LCD read terminal
O LCD write terminal
O LCD reset
I [POWER] key input (key interrupt)
I B band R AF VOL (A/D)
I B band R SQ VOL (A/D)
I A band L AF VOL (A/D)
- Analog power input (GND)
I A band L SQ VOL (A/D)
- A/D reference voltage input
- Analog power supply input (5C)
I [MHz] key input
I [B BAND SEL] key input
I [A BAND SELl key input
Active
Level
L
L
L
L