Display cpu : 30622m4a-443gp (display unit ic904), Tk-7150, Semiconductor data – Kenwood TK-7150 User Manual
Page 18
TK-7150
18
SEMICONDUCTOR DATA
5-1. Pin Function
Pin No.
Name
I/O
Function
1
DISP
O
LCD Display ON/OFF
L : On, H : Off
2~5
O
Not used
6
BYTE
GND
7
CNVss
GND
8
O
Not used
9
SFT
O
Beat Shift
L : Shift off, H : Shift on
10
RESET
CPU Reset
11
Xout
12.0MHz
12
Vss
GND
13
Xin
12.0MHz
14
Vcc
+5V
15
NMI
I
Not used
16~19
O
Not used
20
MIC
O
Mic Mute
L : Mute, H : Unmute
21,22
O
Not used
23
DM
I/O
Mic Keypad Data
24
O
Not used
25
BLC
O
Mic Keypad Backlight Control L : Off, H : On
26
O
Not used
27
RXD2
I
Body Comm (RXD)
28
TXD2
O
Body Comm (TXD)
29
TXD1
O
PC Comm (TXD)/connect to PTT
30
RXD1
I
Open (RXD)
31
I
Not used
32
O
Not used
33
TXD0
O
Open (TXD)
34
RXD0
I
PC Comm (RXD)/connect to HOOK
35
HOOK
I
HOOK/connect to RXD0
36
PTT
I
PTT/connect to TXD1
37
O
Not used
38
BCK1
O
PF Key Backlight Control
L : Off, H : On
39
PF1
I
PF1 Key Input
40
PF2
I
PF2 Key Input
Pin No.
Name
I/O
Function
41
PF3
I
PF3 Key Input
42
PF4
I
PF4 Key Input
43
PF5
I
PF5 Key Input
44
PF6
I
PF6 Key Input
45~49
O
Not used
50
BCK2
PF Key Backlight Control
L : Off, H : On
51
TP3
I
Head Check Mode
L : Head check mode,
H : Not go to head check mode
52~56
O
Not used
57
BUSY
O
BUSY LED
L : Off, H : On
58
TX
O
TX LED
L : Off, H : On
59
O
Not used
60
Vcc
+5V
61
O
Not used
62
Vss
GND
63~66
O
Not used
67
RSW4
I
Rotary SW4
68
RSW3
I
Rotary SW3
69
RSW2
I
Rotary SW2
70
RSW1
I
Rotary SW1
71~81
O
Not used
82
LEDK
O
LCD Back Light Control
L : Off, H : On
83
DO
O
LCD Data Output
84
DI
I
LCD Data Input
85
CL
O
LCD Clock
86
CE
O
LCD CS
87~92
O
Not used
93
VOL
I
Audio Volume Input
94
AVss
GND
95
O
Not used
96
AVref
+5V
97
AVcc
+5V
98~100
O
Not used
5. Display CPU : 30622M4A-443GP (Display Unit IC904)