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Control Port Functions
IIC Bus DA Converter Port Functions (IC3531)
PIN NO.
NAME FUNCTION ACTION I/O
1 R Reset "H": Fixed I
2 SCL IIC SCL "L": Active I/O
3 SDA IIC SDA "L": Active I/O
4 Ao5 B_V1 Video signal reference voltage B O
5 Ao6 REF_R O
6 Ao7 REF_G O
7 Ao8 REF_B O
8 VrefL Lower Ref. Voltage for D/A Convertor GND O
9 VrefU1 Lower Ref. Voltage for D/A Converter(CH7~CH12)Vcc(Standby 5V) O
10 GND GND I
11 I
12 Ao1 FAN_CON_A 0xFFh:min 0x00h:Max I
13 Ao2 FAN_CON_B 0xFFh:min 0x00h:Max I
14 Ao3 R_V1 Video signal reference voltage R O
15 Ao4 G_V1 Video signal reference voltage G O
16 Vcc Power for Digital Vcc(Standby 5V) O
17 Vdd Power for Analog Vdd(Standby 5V) O
18 CS2 Chip Select 2 "H": Fixed O
19 CS1 Chip Select 1 "H": Fixed O
20 CS0 Chip Select 0 "L": Fixed I
PIN NO. PORT NO. PORT NAME FUNCTION SIGNAL NAME DESCRIPTION I/O
86 T1 SMUXIN2 SOG MUX input Ch2 not used
264 T3 GMUXIN1 Green MUX input Ch1 S_Y S-Y Signal Input I
410 T5 GMUXIN0 Green MUX input Ch0 not used
381 T22 MCKFBKN Memory Feedback Clock
138 T25 MCKN Memory Clock
41 T26 MCK Memory Clock
85 U1 BMUXIN2 Blue MUX input Ch2 not used
283 U3 SMUXIN1 SOG MUX input Ch1 SOG Sync on Green Signal Input I
409 U5 SMUXIN0 SOG MUX input Ch0 Y Y Signal Input I
282 V3 BMUXIN1 Blue MUX input Ch1 VIDEO Video Signal Input I
408 V5 BMUXIN0 Blue MUX input Ch0 not used
140 V25 MREFIN1 Memory Voltage Reference
82 Y1 RAI1 Ch1 Analog Input R R Signal Input I
280 Y3 GAI1 Ch1 Analog Input G G Signal Input I
174 AA2 SOG1 SOG Ch1 SOG Ch1 Sync on Green ch1 Input I
258 AB3 BAI1 Ch1 Analog Input B B Signal Input I
331 AC7 HSYNCIN1 Channel 1 Hsync (3.3V) HS H-Sync Input I
78 AD1 GAI2 Ch2 Analog Input not used
250 AD9 EXTRSTEN External Reset Enable External Reset Signal O
248 AD11 FB Scart Fast Blanking input not used
170 AE2 RAI3 Ch3 Analog Input not used
168 AE4 BAI3 Ch3 Analog Input
166 AE6 ADCXOUT Crystal oscillator X'TAL OUT
165
AE7 AFETEST3 TestPin TAFETST3
162 AE10 RESETB Reset PW_RESET Reset Input I
161 AE11 VS1 Channel 1 VSync VS V-Sync Input I
50 AE26 NMI NMI NMI NMI Input I
76 AF1 GAI3 Ch3 Analog Input not used
72 AF5 ADCXIN Crystal oscillator X'TAL IN
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