lc78684e Sanyo Semiconductor Corporation, lc78684e Datasheet - Page 17

• Manufacturer Part Number: lc78684e
• Description: Mp3 Decoder For Compact Disc Players
• Manufacturer: Sanyo Semiconductor Corporation

Pin Functions
Pin No.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
1
2
3
4
5
6
7
8
9
LRSY
ADDATA
ADBCK
ADLRCK
C2FIN
TEST1
CKIN
VSS
CKOUT
TEST2
DV
PW
SBSY
SFSY
SBCK
AV
VPRFR
VCOC
VPDO
AVSS
DV
VSS
MDATA0
MDATA1
MDATA2
MDATA3
MDATA4
MDATA5
MDATA6
MDATA7
DV
VSS
MDATA8
MDATA9
MDATA10
MDATA11
MDATA12
MDATA13
MDATA14
MDATA15
RASB
WEB
CASLB
CASUB
OEB
MADRS12
MADRS11
MADRS10
MADRS9
MADRS8
Pin Name
DD
DD
DD
DD
1
2
3
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O









I
I
I
I
I
I
I
I
I
CD IF
Audio interface
CD IF
Test
CLOCK
Power supply
CLOCK
Test
Power supply
Subcode interface
Power supply
PLL
Power supply
Memory interface
Power supply
Memory interface
Block
LC78684E
CD left/right clock input
Audio data output
Audio bit clock output
Audio left/right clock output
CD C2 error flag input
Test input 1 (This pin must be connected to ground during normal operation.)
System clock input (16.9344 MHz)
Ground
External digital filter and D/A converter clock (384 fs) output
Test input 2 (This pin must be connected to ground during normal operation.)
Digital I/O system power supply
CD subcode data serial input
CD subcode block sync signal input
CD subcode frame sync signal input
CD subcode transfer serial clock output
Analog system (PLL) power supply
VCO oscillator range setting
VCO control voltage input
VCO charge pump output
Analog system ground
Internal logic system power supply
GND
DRAM data bus 0
DRAM data bus 1
DRAM data bus 2
DRAM data bus 3
DRAM data bus 4
DRAM data bus 5
DRAM data bus 6
DRAM data bus 7
Digital I/O system power supply
GND
DRAM data bus 8
DRAM data bus 9
DRAM data bus 10
DRAM data bus 11
DRAM data bus 12
DRAM data bus 13
DRAM data bus 14
DRAM data bus 15
RAS output (active low)
WE output (active low)
CAS output (lower byte, active low)
CAS output (upper byte, active low)
OE output (active low)
DRAM address output 12
DRAM address output 11
DRAM address output 10
DRAM address output 9
DRAM address output 8
Function
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