33
CDX-GT610U/GT660U/GT660US
• IC PIN DESCRIPTION
IC501 MB90F046PF-G-102E1 (SYSTEM CONTROL) (MAIN BOARD (3/3))
Pin No. Pin Name I/O Pin Description
1 AREASEL0 I Destination setting pin 0
2 AREASEL1 I Destination setting pin 1
3 AREASEL2 I Destination setting pin 2
4B-OUTSEL I Black-out with/without discrimination signal input “H”: Black-out
5 NOSE SW I Front panel attachment detect signal input “L”: with panel
6 AAC SEL I AAC play setting signal input “H”: AAC
7 BEEP O Beep signal output to power amplifier
8 DIAG I Status signal input from power amplifier
9 VOLATT O Electronic volume attenuate control signal output
10 FSW IN I D/D converter oscillator frequency count signal input
11 VSS — Ground pin
12 TUATT O Tuner mute control signal output
13 NSMASK O Noise mask signal output
14 NCO O Not used. (Open)
15 ILLUMI SEL I Illumination voltage setting signal input
16 NCO O Not used. (Open)
17 AUX SW O AUX change over signal output “L”: AUX, “H”: BUS IN
18 FL CS O Fluorescent indicator tube chip select signal output
19 FL SO O Fluorescent indicator tube serial data signal output
20 FL SCK O Fluorescent indicator tube serial clock signal output
21 USB OVR I Overcurrent detect signal input from USB power supply high side switch
22 USB ON O USB power supply high side switch control signal output
23 VCC5 — Power supply pin (+3.3 V)
24 EEP SIO I/O EEPROM bus serial data signal input/output
25 EEP CKO O EEPROM bus serial clock signal output
26 AMPSTB O Standby signal output to power amplifier
27 MC RX I Mechanism microcomputer comunication signal input RX
28 MC TX O Mechanism microcomputer comunication signal output TX
29 NCO O Not used. (Open)
30 RDS ON O RDS (Radio Data System) on signal output Tuner on: “L” Not used in this set.
31 NCO O Not used. (Open)
32 SA DATA O Data signal output for electronic volume IC spectrum analyzer
33 I2C SCK O I2C bus serial clock signal output
34 I2C SIO I/O I2C bus serial data signal input/output
35 DAVDD — A/D converter power supply pin (+3.3 V)
36 AVRH — A/D converter external reference power supply pin (+3.3 V)
37 DAVSS — Ground pin
38 QUALITY I Noise detect signal input
39 VSM I S-meter voltage detect signal input
40 KEYIN1 I Key signal input 1
41 KEYIN0 I Key signal input 0
42 VSS — Ground pin
43 RCIN0 I Rotary commander key signal input
44 SA IN I Spectrum analyzer data signal input
45 SA CKO O Spectrum analyzer clock signal output
46 DOOR IND O Disc door indicator control signal output
47 RE IN0 I Rotary encoder signal input 0
48 RE IN1 I Rotary encoder signal input 1
49 MD0 I Operation mode setting pin (Connect to VDD.)
50 MD1 I Operation mode setting pin (Connect to VDD.)
To Next Page
Loading...
