Chapter 8. Others; Function Table Of Ic - Sharp CD-MPS440W Service Manual

CD-MPS440W
CHAPTER 8.
CD-MPS440W
OTHERS

[1] FUNCTION TABLE OF IC

IC401 VHiLC7890/-1: MP3 Decoder Digital Signal Processor (LC78690)
Pin No. Terminal Name
1 EFMIN
2 RFOUT
3 LPF
4 PHLPF
5 AIN
6 CIN
7 BIN
8 DIN
9 FEC
10* RFMON
11 VREF
12 JITTC
13 EIN
14 FIN
15 TEC
16 TE
17 TEIN
18 LDD
19 LDS
20 AVSS
21 AVDD
22 FDO
23 TDO
24 SLDO
25 SPDO
26 VVSS1
27 PDOUT1
28 PDOUT0
29 PCKIST
30 VVDD1
31* DMUTEB
32 PUIN
33* DEFECT
34* FSEQ
35* C2F
36 DVDD
37 DVSS
38 DVDD1.8
39 VVDD3
40 VVSS3
41 DVDD
42 DVSS
43 CE
44 CL
45 DI
46 DO
47 RESB
48* INTB0
49* INTB1
50 CONT2
51* CONT1
52* CONT0
53 TEST0
54 STREQ
Input/Output Setting in Reset
Input Input
Output Unfix
Output Unfix
Output Unfix
Input Input
Input Input
Input Input
Input Input
Output Unfix
Output Unfix
Output AVDD/2
Output Unfix
Input Input
Input Input
Output Unfix
Output Unfix
Input Input
Output Unfix
Input Input
- -
- -
Output AVDD/2
Output AVDD/2
Output AVDD/2
Output AVDD/2
- -
Output Unfix
Output Unfix
Input Input
- -
Output L
Input/Output Input
Output L
Output L
Output L
- -
- -
Output H
- -
- -
- -
- -
Input Input
Input Input
Input Input
Output (H)
Input -
Output H
Output H
Input/Output Input
Input/Output Input
Input/Output Input
Input L
Input/Output Input
Service Manual
RF signal input.
RF signal output.
To LPF capacitor for detecting DC level of RF signal.
To LPF capacitor for detecting scratch.
A signal input.
C signal input.
B signal input.
D signal input.
To LPF capacitor for FE signal.
Monitoring for LSI internal analog signal.
VREF voltage output.
For jitter detection capacitor.
E signal input.
F signal input.
To LPF capacitor for TE signal.
TE signal output.
TE signal input for TES signal generation.
Laser power control signal output.
Laser power detection signal input.
Analog GND. Connected to 0V.
Analog power supply.
Focus control signal output. D/A output.
Tracking control signal output. D/A output.
Sled control signal output. D/A output.
Spindle control signal output. D/A output.
For EFM GND for built-in VCO. Connected to 0V.
PLL
Phase comparison output pin 1 for built-in VCO control.
Phase comparison output pin 0 for built-in VCO control.
To resistance for current setting of PDOUT0, 1 output.
Power supply for built-in VCO
DMUTEB (general-purpose) output
PUIN (general-purpose) input/output (Built-in Pull-Up resistance)
Scratch detection signal output
Sync signal output. Switches to "H" when sync signal detected from EFM
signal and sync signal generated internally are the same.
C2 error signal output.
Digital power supply.
Digital GND. Connected to 0V.
To power supply capacitor for digital circuit.
Power supply for built-in PLL.
GND for built-in PLL. Connected to 0V.
Digital power supply.
Digital GND. Connected to 0V.
For micro- Enable signal input.
processor
Data transfer clock input.
interface
Data input
Data output (Tri-state output: Built-in Pull-Up resistance)
Reset input for this LSI. Set as "L" when turning power on.
Interrupt signal output pin 0 (Servo section)
Interrupt signal output pin 1 (Decoder section)
General-purpose input/ Controlled by command from microprocessor.
output pin 2 When not in use, set as input and connect to
0V, or set as output and leave open.
General-purpose input/
output pin 1
General-purpose input/
output pin 0 (Built-in Pull-
Up resistance)
Input for testing. Connected to 0V.
Stream data request signal output.
8 – 1
Function