Kenwood TK-7150 5. Display CPU : 30622M4A-443GP (Display Unit IC904)

TK-7150
18
SEMICONDUCTOR DATA
5-1. Pin Function
Pin No. Name I/O Function
1DISP O LCD Display ON/OFF L : On, H : Off
2~5 O Not used
6BYTE GND
7CNVss GND
8ONot used
9SFT 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)