Semiconductor Data - Kenwood KCH-16 Service Manual

KCH-16
CPU: 3062LFGPUKCTA (Control unit IC9)
Pin No. Port Name I/O
1 KEYI0
2 KEYO3
3 KEYO2
4 KEYO1
5 KEYO0
6 BYTE
7 CNVSS
8 NC
9 SFT
10 RESET
11 XOUT
12 VSS
13 XIN
14 VCC
15 NMI
16 NC
17 INT 1
18 INT 0
19 PTT
20 LCONT
21 HOOK
22 KVL
23~26 NC
27 RXD2
28 TXD2
29 TXD
30 RXD
31 SCLK
32 BUSY
33 EEPDT
34 EEPCL
35,36 NC
37 RDY
38 ALE
39 EPM
40 HLDA
41 BCLK
42 RD
20

SEMICONDUCTOR DATA

Function
I Key matrix input 0
O Key matrix output 3
O Key matrix output 2
O Key matrix output 1
O Key matrix output 0
I +5V (H: 8bit bus)
- Pull down
- Not used
O Beat shift (H: ON)
I CPU reset
O 14.7456MHz clock output
- GND
I 14.7456MHz clock input
- +5V
I Not used
- Not used
- Not used
I RXD interrupt
I PTT (L: ON)
O LCD Contrast (H: ON)
I HOOK (L: ON)
I KVL3000 (L: Connect)
- Not used
Serial interface from Deck (Open
I
drain)
O Serial interface to Deck (Open drain)
- Not used
- Not used
- Not used
- Not used
- Not used
- Not used
- Not used
- Not used
- Not used
- Not used
- Not used
- Not used
- Not used
Pin No. Port Name I/O
43 BHE - Not used
44 WR O LCD driver bus WR
45 DM2 O Display backlight control 2
46 DM1 O Display backlight control 1
47 LCDRST O LCD driver reset
48 CS0 - LCD driver bus CS
49 BUSYR O BUSY LED Red (H: ON)
50 BUSY O BUSY LED Green (H: ON)
51 TX O TX LED Red (H: ON)
52 TXG O TX LED Green (H: ON)
53~59 A15~A9 - Not used
60 VCC - +5V
61 A8 - Not used
62 VSS - GND
63~69 A7~A1 - Not used
70 A0 O LCD driver bus A0
71 PF4 I [C] key
72 PF3 I [B] key
73 PF2 I [A] key
74 PF1 I [S] key
75,76 NC - Not used
77 EDN I [
78 EUP I [
79~86 D7~D0 I/O LCD driver data bus
87,88 NC - Not used
89 ZDN I [ ] key
90 ZUP I [ ] key
91 PF5 I [Orange] key
92 1/2 I Head 1/2 check (L: Head 1)
93 VOL I Volume control
94 AVSS - GND
Basic/Full panel check (H: Full panel
95 B/F I
(KCH-16))
96 VREF - +5V
97 AVCC - +5V
98 TEST I LCD check mode (H: Normal mode)
99 KEYI2 I Key matrix input 2
100 KEYI1 I Key matrix input 1
Function
] key
] key