Iic Bus Da Converter Port Functions (Ic3531) - Sanyo PLC-XW55A Service Manual

Control Port Functions
PIN NO. PORT NO. PORT NAME
86 T1 SMUXIN2
264 T3 GMUXIN1
410 T5 GMUXIN0
381 T22 MCKFBKN
138 T25 MCKN
41 T26 MCK
85 U1 BMUXIN2
283 U3 SMUXIN1
409 U5 SMUXIN0
282 V3 BMUXIN1
408 V5 BMUXIN0
140 V25 MREFIN1
82 Y1 RAI1
280 Y3 GAI1
174 AA2 SOG1
258 AB3 BAI1
331 AC7 HSYNCIN1
78 AD1 GAI2
250 AD9 EXTRSTEN
248 AD11 FB
170 AE2 RAI3
168 AE4 BAI3
166 AE6 ADCXOUT
165 AE7 AFETEST3
162 AE10 RESETB
161 AE11 VS1
50 AE26 NMI
76 AF1 GAI3
72 AF5 ADCXIN

IIC Bus DA Converter Port Functions (IC3531)

PIN No.
NAMe FuNctIoN
1 R Reset
2 SCL IIC SCL
3 SDA IIC SDA
4 Ao5 B_V1
5 Ao6 REF_R
6 Ao7 REF_G
7 Ao8 REF_B
8 VrefL
9 VrefU1
10 GND
11
12 Ao1 FAN_CON_A
13 Ao2 FAN_CON_B
14 Ao3 R_V1
15 Ao4 G_V1
16 Vcc Power for Digital
17 Vdd Power for Analog
18 CS2 Chip Select 2
19 CS1 Chip Select 1
20 CS0 Chip Select 0
FUNCTION
SOG MUX input Ch2
Green MUX input Ch1
Green MUX input Ch0
Memory Feedback Clock
Memory Clock
Memory Clock
Blue MUX input Ch2
SOG MUX input Ch1
SOG MUX input Ch0
Blue MUX input Ch1
Blue MUX input Ch0
Memory Voltage Reference
Ch1 Analog Input
Ch1 Analog Input
SOG Ch1
Ch1 Analog Input
Channel 1 Hsync (3.3V)
Ch2 Analog Input
External Reset Enable
Scart Fast Blanking input
Ch3 Analog Input
Ch3 Analog Input
Crystal oscillator
TestPin
Reset
Channel 1 VSync
NMI
Ch3 Analog Input
Crystal oscillator
ActIoN
"H": Fixed
"L": Active
"L": Active
Video signal reference voltage B
Lower Ref. Voltage for D/A Convertor GND
Lower Ref. Voltage for D/A Converter(CH7~CH12)Vcc(Standby 5V)
GND
0xFFh:min 0x00h:Max
0xFFh:min 0x00h:Max
Video signal reference voltage R
Video signal reference voltage G
Vcc(Standby 5V)
Vdd(Standby 5V)
"H": Fixed
"H": Fixed
"L": Fixed
SIGNAL NAME DESCRIPTION
not used
S_Y S-Y Signal Input
not used
not used
SOG Sync on Green Signal Input
Y Y Signal Input
VIDEO Video Signal Input
not used
R R Signal Input
G G Signal Input
SOG Ch1 Sync on Green ch1 Input
B B Signal Input
HS H-Sync Input
not used
External Reset Signal
not used
not used
X'TAL OUT
TAFETST3
PW_RESET Reset Input
VS V-Sync Input
NMI NMI Input
not used
X'TAL IN
-50-
I/O
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I
I
I
I
I
I
I
I
O
I
I
I
I/o
I
I/O
I/O
O
O
O
O
O
O
I
I
I
I
O
O
O
O
O
O
I