Sanyo PLC-XP46 Service Manual page 45

Control Port Functions
● IIC Bus DA Converter (IC3551, M62399FP) 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 VrefU2
12 A01
13 A02
14 A03
15 A04
16 Vcc
17 Vdd
18 CS2
19 CS1
20 CS0
● IIC Bus DA Converter (IC3501, M62399FP) 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 VrefU2
12 A01
13 A02
14 A03
15 A04
16 Vcc
17 Vdd
18 CS2
19 CS1
20 CS0
Function
Serial Data output port (Not connected)
IIC BUS SCL
IIC BUS SDA
DWN
V_COMR
V_COMG
V_COMB
DAC Lower Reference Voltage input
DAC Upper Reference Voltage input (CH5~CH8)
GND
DAC Upper Reference Voltage input (CH1~CH 4)
NRSB
NRSA
XRGT3
RGT3
Power Supply for Output Buffer (2.4*VrefU ~ 12V)
Power Supply +5V±10 %
Slave address setting port 2 (GND)
Slave address setting port 1 (GND)
Slave address setting port 0 (GND)
Function
Serial Data output port (Not connected)
IIC BUS SCL
IIC BUS SDA
Not used
REF_B
REF_G
REF_R
DAC Lower Reference Voltage input
DAC Upper Reference Voltage input (CH5~CH8)
GND
DAC Upper Reference Voltage input (CH1~CH 4)
B_CENT
G_CENT
R_CENT
Not used
Power Supply for Output Buffer (2.4*VrefU ~ 12V)
Power Supply +5V±10 %
Slave address setting port 2 (GND)
Slave address setting port 1 (GND)
Slave address setting port 0 (GND)
-45-
I/O
O
I
I/O
O
O
O
O
-
-
-
-
O
O
O
O
-
-
I
I
I/O
O
I
I/O
O
O
O
O
-
-
-
-
O
O
O
O
-
-
I
I
I