1-8 (No.YA020)
2.2.3 SUB CPU PIN FUNCTION (IC7807)
Pin No.
Pin name
I/O
Function
1
(SYSTEM0)
I
GND
2
(SYSTEM3)
I
GND
3
AVCC
-
5V
4
X2
-
Sub clock
5
X1
-
Sub clock
6
VCL
-
Internal down voltage
7
RES
I
Reset [Reset : L]
8
TEST
I
Operation test for SUB CPU
9
VSS
-
GND
10
OSC2
O
10MHz oscillation for system clock
11
OSC1
I
10MHz oscillation for system clock
12
VCC
-
5V
13
NC
O
Not used
14
NC
O
Not used
15
BL_D2
O
Back light 20ms delay for LCD panel [On:L]
16
BL_D1
O
Back light 10ms delay for LCD panel [On:L]
17
I2C_STOP
O
Not used
18
BL_ON
O
Back light reset for LCD panel [Reset:L]
19
NC
O
Not used
20
NC
O
Not used
21
NC
O
Not used
22
NC
O
Not used
23
SDA1
I/O
I
2
C bus data (For Sub memory)
24
A.DIM
O
Not used
25
SCL1
O
I
2
C bus clock (For Sub memory)
26
SDA0
I/O
I
2
C bus data (For general)
27
SCL0
O
I
2
C bus clock (For general)
28
NC
O
Not used
29
NC
O
Not used
30
NC
O
Not used
31
NC
O
Not used
32
NC
O
Not used
33
NC
O
Not used
34
NC
O
Not used
35
NMI
I
Port for writing on board [Writning:L]
36
NC
O
Not used
37
(HD)
I
Not used
38
NC
O
Not used
39
(REMO)
I
Not used
40
NC
O
Not used
41
P85
-/I
Not used
42
P86
-
Not used
43
P87
-
Not used
44
SCK3
O
Port for writing on board
45
RXD
I
Port for writing on board
46
TXD
O
Port for writing on board
47
(PROTECTOR0)
I
Not used
48
NC
O
Not used
49
RXD2
I
Port for communication (Main CPU)
50
TXD2
O
Port for communication (Main CPU)
51
NC
O
Not used
52
(ACTIVE)
I
Not used
53
VD
I
Vertical sync
54
(REC_DET)
I
Not used
55
(PSS)
I
Not used
56
(ALARM)
I
Not used
57
(SYSTEM2)
I
Not used
58
(SYSTEM1)
I
Not used
59
(PROTECTOR1)
I
Not used
60
(AMP_PRO2)
I
Not used
61
(AMP_PRO1)
I
Not used
62
EE_CDS
I
Not used
63
(KEY_IN1)
I
Not used
64
(KEY_IN2)
I
Not used
Содержание LT-Z32S2
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