(No.YA004)1-9
2.2.3 SUB MICRO COMPUTER (CPU) FUNCTION
Pin No.
Pin name
I/O
Function
1
(SYSTEM0)
I
GND
2
(SYSTEM3)
I
GND
3
AVCC
-
5V
4
X2
-
Not used
5
X1
-
Not used
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
Содержание LT-32WX84
Страница 112: ...Troubleshooting 56 ...