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LZ-800W
MICROCOMPUTER'S TERMINAL DESCRIPTION
Panel Microprocessor terminal functions (X35-, IC600)
Pin No.
I/O
Pin name
1,2
O
NC
3
I
SCREEN
4
I
MODE
5
I
V.SEL
6
I
VOL-
7
I
VOL+
8
O
NC
9
–
Vdd
10
–
X2
11
–
X1
12
–
Vss
13,14
–
NC
15
–
RESET
16
I
NC
17
I
POWER
18
I
SC REQ
19
I
ACC
20,21
O
NC
22
O
REFCON
23
–
AVdd
24
–
AVref 0
25
I
SENSOR
26
I
X DT
27
I
Y DT
28-32
I
NC
33
–
AVss
34
O
SPVOL
35
O
OSD RST
36
–
AVref1
37
O
NC
38
O
NC
39
O
NC
40
O
OSD CS
41
O
OSD DO
42
O
OSD CK
43
I
OSD TRE
44
O
MC REQ
45
I
SC DATA
46
O
MC DATA
47
O
MC CLK
48
O
SC CON
49
O
NC
6
Function
Not used
Tact key screen
Tact key wide mode
Tact key video switch
Tact key volume down
Tact key volume up
Not used
Positive power supply terminal
Main system clock oscillator terminal
Main system clock oscillator terminal
GND terminal
Not used
System reset input terminal
Not used
POWER ON input
Inter-processor communication slave
→master request
ACC OFF detection
Not used
A/D converter reference voltage output
A/D converter analog power supply
A/D converter reference voltage application
AUTO DIMMER (photo sensor) input
Touch panel X-axis voltage value
Touch panel Y-axis voltage value
Not used
A/D/ GND
Speaker volume control
OSD reset output
D/A reference voltage input
Not used (Used as a dedicated
flash write port [SI: Serial IN])
Not used (Used as a dedicated
flash write port [SO: Serial OUT])
Not used (Used as a dedicated
flash write port [SCK: Serial clock])
OSD chip select output
OSD data output
OSD clock
OSD command, fill operation in progress
Inter-processor communication master
→slave request
Inter-processor communication slave
→master data
Inter-processor communication master
→slave data
Inter-processor communication master
→slave clock
Inter-processor communication master
→slave operation request
Not used
Logic
L
L: SCREEN ON H: SCREEN OFF
L: MODE ON H: MODE OFF
L: V.SEL ON H: V.SEL OFF
L: VOL-ON H: VOL-OFF
L: VOL+ON H: VOL+OFF
L
L= reset
L: POWER key ON H: POWER key OFF
L: ACC ON H: ACC OFF
L
AD C comparison power SW
0.8~2.5V 31 step
0←2.5→5.0V
Following stabilization of the IC power supply
voltage, outputs L for at least 1ms.
L
L
L
L
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