Canon LV-S4 Service Manual page 43

Control Port Functions
Pin No. Name
188 ROMOE
126 ROMWE
125 RAMOE
54 RAMWE
177 Port C1
230 Port C0
238 EXTINT
120 NMI
48 RESET
233 ADR24B
133 MODE3
290 MODE2
248 MODE1
232 MODE0
Note : Other functions except for system control are not listed.
● IIC Bus D/A Converter (IC3551, M62393FP) Port Functions
Pin No. Name
1 R
2 SCL
3 SDA
4 A05
5 A06
6 A07
7 A08
8 VrefL
9 VrefU 1
10 Vss
11 VrefU 2
12 A01
13 A02
14 A03
15 A04
16 Vcc
17 Vdd
18 CS2
19 CS1
20 CS0
● IIC Bus D/A Converter (IC3561, M62392FP) Port Functions
Pin No. Name
1 R
2 SCL
3 SDA
4 A07
5 A08
6 A09
7 A10
8 A11
9 A12
10 VrefL
11 VrefU1
12 Vss
13 VrefU2
14 A01
15 A02
16 A03
17 A04
18 A05
19 A06
20 Vcc
21 Vdd
22 CS2
23 CS1
24 CS0
Function Name Function
ROMOE ROM Output Enable for Flash ROM
ROMWE ROM Write Enable for Flash ROM
RAMOE RAM Output Enable
RAMWE RAM Write Enable
CS3 Chip Select 3
CS2 Chip Select 2
EXTINT External Interrupt Input
- Non-maskable Interrupt (Not used)
RESET Master Reset Input
ADR24B 24bit Address Select Input
MODE3 Internal Oscillator Enable Input
MODE2 Reserved
MODE1 Internal MCLK PLL Enable Input
MODE0 Internal DCLK PLL Enable Input
Function
Reset Input
P_SCK2
P_SDA2
CG_FILT
FILT_480P/575P
S/CV_SW
Not used
DAC Lower Reference Voltage input
DAC Upper Reference Voltage input (CH5~CH8)
GND
DAC Upper Reference Voltage input (CH1~CH 4)
Not used
VOLUME
PC/AV_SW
CBAL_SW
Power Supply for Output Buffer (+5V)
Power Supply +5V
Slave address setting port 2 (GND)
Slave address setting port 1 (GND)
Slave address setting port 0 (GND)
Function
Reset input
P_SCK1
P_SDA1
REF_R
REF_G
REF_B
-
5V_SUB
-
DAC Lower Reference Voltage input
DAC Upper Reference Voltage input (CH5~CH8)
GND
DAC Upper Reference Voltage input (CH1~CH 4)
FAN_CONT3
FAN_CONT2
FAN_CONT1
FAN_CONT4
-
-
Power Supply for Output Buffer (+12V)
Power Supply +5V
Slave address setting port 2 (Vdd)
Slave address setting port 1 (Vdd)
Slave address setting port 0 (Vdd)
* Following information differs from the model LV-S3 ;
- FAN_CONT4 of IC3561
IIC BUS SCL
IIC BUS SDA
Color Correction On/Off
IIC BUS SCL
IIC BUS SDA
Black to black Adjustment (Service mode No.10)
AV black level Adjustment (Service mode No.11)
AV black level Adjustment (Service mode No.12)
Not used
Not used
Not used
FN901, FN903
FN906
FN902, FN905
FN904
Not used
Not used
-43-
Polarity I/O
O
O
Not used O
Not used O
Not used O
Not used O
I/O
(set L) I
I
(set H) I
(set H) I
(set L) I
(set H) I
(set H) I
I/O
I
I
I/O
O
O
O
O
-
-
-
-
O
O
O
ON = L O
-
-
I
I
I
I/O
I
I
I/O
O
O
O
O
O
O
-
-
-
-
O
O
O
O
O
O
-
-
I
I
I