CDX-656/656X
6-12. IC PIN FUNCTION DESCRIPTION
" MAIN BOARD IC201 MB90473PFV-G-111-BNDE1 (SYSTEM CONTROLLER)
Pin No.Pin NameI/ODescription
1, 2RAMA5, RAMA6OAddress signal output terminal Not used
3ELVROMotor drive signal (elevator down direction) output
4ELVFOMotor drive signal (elevator up direction) output
5LOADFOMotor drive signal (load chucking direction) output
6LOADROMotor drive signal (save direction) output
7, 8RAMA7, RAMA12OAddress signal output terminal Not used
9VSSNGround terminal
10RAMA14OAddress signal output terminal Not used
11RAMWEOWrite enable output terminal Not used
RAMA13, RAMA8,
12 to15OAddress signal output terminal Not used
RAMA9, RAMA11
16UNI SIISerial data input from the SONY bus interface
17UNI SOOSerial data output to the SONY bus interface
18UNI CKISerial data transfer clock signal input from the SONY bus interface
19LEDDATONot used
20LEDCLKONot used
21VCCNPower supply terminal (+3.3V)
22LEDLATONot used
23CDONOD/A converter and servo section power supply on/off control signal output OH�: power on
24ELVONOMechanism deck section power supply on/off control signal output OH�: power on
25RXIInput terminal at the flash memory data write mode Not used
26TXOOutput terminal at the flash memory data write mode Not used
27NCONot used
28EECLKOSerial data transfer clock signal output to the EEPROM Not used
29FL BOOTIFlash memory data write control signal input terminal OL� active Not used
30, 31NCONot used
32EEDATI/OTwo-way data bus with the EEPROM Not used
33AVCCNPower supply terminal (+3.3V) (for A/D converter)
34AVRHIReference voltage (+3.3V) input terminal (for A/D converter)
35AVSSNGround terminal (for A/D converter)
36EHSIElevator height position detection signal input from the elevator height sensor (A/D input)
Input of detection signal for the fine adjustment (elevator height (address) adjustment) of elevator
37MCKI
height position (A/D input)
38, 39KEY0, KEY1INot used
40VSSNGround terminal
41FOKIFocus OK signal input OH�: OK
42GFSIGuard frame sync signal input OH�: OK
43SCLKOSerial data reading clock signal output to the CXD3017Q
44SENSIInternal status signal (sense signal) input
45BUSONIBus on/off control signal input from the SONY bus interface OH�: bus on
46BUCHKIBattery detection signal input OL�: battery on
47, 48MD0, MD1ISetting terminal for the CPU operational mode (fixed at OH� in this set)
49MD2ISetting terminal for the CPU operational mode (fixed at OL� in this set)
50EJECT SWIEject switch input terminal OL� active
51MAGLK SWIMagazine detect switch input terminal OL�: magazine is set
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ACEC
