Diagrams; Ic Pin Description - Sony CSD-MP100 Service Manual

6-1. IC PIN DESCRIPTIONS
• IC1001 LC78684E (MP3 DECODER, CD-ROM DECODER, ANTI-SHOCK CONTROLLER) (CD/MP3 BOARD)
Pin No. Pin Name
1 LRSY
2 ADDATA
3 ADBCK
4 ADLRCK
5 C2FIN
6 VSS
7 CKIN
8 VSS
9 CKOUT
10 VSS
11 DVDD1
12 PW
13 SBSY
14 SFSY
15 SBCK
16 AVDD
17 VPRFR
18 VCOC
19 VPDO
20 AVSS
21 DVDD2
22 VSS
23 to 30 MDATA0 to 7
31 DVDD3
32 VSS
33 to 40 MDATA8 to 15
41 RASB
42 WEB
43 CASLB
44 CASUB
45 OEB
46 to 49 MADRS12 to 9
50 MADRS8
51 DVDD4
52 VSS
53 to 60 MADRS7 to 0
61 DVDD5
62 VSS
63 STREQ
64 STCK
65 STDAT
66 FSYNC
67 CRCF
68 DVDD6
69 VSS
70 WOK
SECTION 6

DIAGRAMS

I/O
I CD L/R clock input
O Audio data output
O Audio bit clock output
O Audio L/R clock output
I CD C2 error flag input
— Ground
I System clock (16.9344 MHz) input
— Ground
O Clock (384Fs) output for external DF/DAC.
— Ground
— Digital power supply pin for I/O.
I CD subcode data serial input
I CD subcode block synchronized signal input
I CD subcode frame synchronized signal input
O Serial clock output for CD subcode transfer. (Not used. (Open))
— Analog (PLL) power supply pin
— VCO oscillation range setting pin
I VCO control voltage input
O VCO charge pump output
— Analog ground
— Power supply pin for internal logic.
— Ground
I/O DRAM data bus 0 to 7
— Digital power supply pin for I/O.
— Ground
I/O DRAM data bus 8 to 15
O Row Address Strobe signal output (L: active)
O Data Write Enable signal output (L: active)
O Column Address Strobe signal output (for lower byte, L: active)
O Column Address Strobe signal output (for upper byte, L: active)
O Output enable signal output (L: active)
O DRAM address output 12 to 9 (Not used. (Open))
O DRAM address output 8
— Digital power supply pin for I/O.
— Ground
O DRAM address output 7 to 0
— Power supply pin for internal logic.
— Ground
MP3 data request flag output (H: active)/DRAM data request flag input (H: active)
I/O
(Not used. (Open))
I/O MP3 data transfer clock input/DRAM data transfer clock output (Not used. (Open))
I/O MP3 data serial input/DRAM data serial output (Not used. (Open))
O MP3 frame synchronized signal input (H: active) (Not used. (Open))
CDROM-CRC flag output (H: active)/DRAM data output enable signal output
O
(H: active) (Not used. (Open))
— Power supply pin for internal logic.
— Ground
DRAM write OK input (at CD-DA, H: active)/DRAM data request flag input
I
(at CD-ROM, H: active)
Pin Description
CSD-MP100
19