16
AV3000 AVC Unit Service Manual
7. PINOUT DATA
7.1. Micro-controller Pinout (SDA5550)
Digital Monolithic IC (IC704)
Note *:
Power key input:
ON Stand-by
Power
Save
H(1.5V) L H(1.2V)
H(1.0V) L L
H(1.5V) H(1.5V) H(1.5V)
Pin
No.
Port
No.
Function
Inverted (I) or Buffered (B)
Function
In/Out Notes
9 0.0 POWER-ON IN Power key input *
10 0.1 POWER1 OUT Power control 1
11 0.2 POWER2 OUT Power control 2
12 0.3 (I) POWER-LED5V OUT Power LED control
13 0.4 (I) OSD-RESET OUT PC OSD reset
14 0.5 (I) PM-RESET OUT PDP reset
15 0.6 WC#EEPROM OUT EEPROM enable
16
Port0
0.7 AV-LINK-OUT (I) AVLINK OUT AV link output
41 1.0 3WB-CLOCK (I) 3WB-CLOCK5V OUT 3 wire bus clock
42 1.1 FC-ENABLE (I) FC-ENABLE5V OUT FC enable
43 1.2 MSC-ENABLE (I) MSC-ENABLE5V OUT MSC enable
44 1.3 (I) OSD-EN OUT PC OSD enable
45 1.4 (I) MSP-RESET OUT MSP3410 reset
46 1.5 3WB-DATA (B) 3WB-DATA IN/OUT 3 wire buses data
47 1.6 SCL-3V3 (B) SCL OUT I2C bus clock
52
Port1
1.7 SDA-3V3 (B) SDA IN/OUT I2C bus data
24 2.0 ADC0 FROM SCART1 PIN 8 IN Scart 101 (AV1) pin8 detect
25 2.1 ADC1 FROM TUNER AGC IN AGC level detect
26 2.2 PDDET FROM PDP IN PDP ON detect
27
Port2
2.3 ADC3 FROM FRONT SWITCHES IN Vol&Prog. key input
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