HCD-GPX6/GPX7
? IC Pin Function Description
MAIN BOARD IC306 M3062CMEN-A00FPU0 (SYSTEM CONTROLLER)
Pin No.Pin NameI/ODescription
1CD DISCSENS 2INot used
2CD DISCSENS 1INot used
3STBY LEDOLED drive signal output terminal (power)
SIRCS
4ISIRCS signal input terminal
IN/WAKE
5, 6VOL A, VOL BIJog dial pulse input terminal (volume)
7FLSTBOSerial data read strobe signal output to the FL/LED driver
8 BYTEIExternal data bus width select signal input terminal
9CNVSSNGround terminal
10XCINISub system clock input terminal (32.768 kHz)
11XCOUTOSub system clock output terminal (32.768 kHz)
System reset signal input terminal OL�: reset
12RESETI
For several hundreds msec. after the power supply rises, OL� is input, then it changes to OH�
13XOUTOMain system clock output terminal (16 MHz)
14VSSNGround terminal
15XINIMain system clock input terminal (16 MHz)
16VCCNPower supply terminal (+3.3V)
17NMIINon-maskable interrupt signal input terminal Not used
18RDS-CLKIRDS serial data transfer clock signal input terminal (AEP only)
19CD SCORISubcode Q data request signal input terminal
20AC-CUTIPower down detection signal input terminal OL�: power down
21FL CLKOSerial data transfer clock signal output to the FL/LED driver
22CD XRSTOSystem reset signal output to the CD servo block
23CD XLTOLatch pulse signal output to the CD servo block
24CD SENSIInternal status (SENSE) input from the CD DSP
25CD MILPOSerial data latch pulse output to the MP3 decoder
26CD MICSOChip select signal output to the MP3 decoder
27CD MP3REQIData transfer request signal input from the MP3 decoder
28CD MP3STBOStandby signal output to the MP3 decoder
29IICCLKI/OIIC data transfer clock signal input and output Not used
30IICDATAI/OIIC two-way data bus Not used
31NCONot used
32CD MIACKIAcknowledge signal input from the MP3 decoder
33CD MP3RSTOReset signal output to the MP3 decoder
34CD CLKOSerial data transfer clock signal output to the CD DSP
35CD MIDIOOSerial data output to the MP3 decoder
36CD MIDINISerial data input from the MP3 decoder
37CD MICKOSerial data transfer clock signal output to the MP3 decoder
38CD DATAOSerial data output to the CD DSP
39CD AMUTEOCD muting on/off control signal output terminal
40ELV E3/TRE AIJog dial pulse input from the rotary encoder (treble)
41ELV E2/TRE BIJog dial pulse input from the rotary encoder (treble)
42ELV E1/BASS AIJog dial pulse input from the rotary encoder (bass)
43ELV E0/BASS BIJog dial pulse input from the rotary encoder (bass)
44SW4 (8CM)ICD disc size detection (8cm/12cm) signal input terminal Not used
47 |
ACEC
