Function Table Of Ic - Sharp CD-CH1000 Service Manual

IC2 VHiTC9490F/-1: Servo/Signal Control (TC9490F) (1/2)
Terminal Name
Pin No.
1 BCK
2 LRCK
3 AOUT
4* DOUT
5* IPF
6 VDD3
7 VSS3
8 SBOK
9 CLCK
10 DATA
11* SFSY
12* SBSY
13 /HSO
14* /UHSO
.
15 PVDD3
16 PDO
17 TMAX
18 LPFN
19 LPFO
20 PVREF
21 VCOF
22 AVSS3
23 SLCO
24 RFI
25 AVDD3
26 RFCT
27 RFZI
28 RFRP
29 FEI
30 SBAD
31 TEI
32 TEZI
33 FOO
34 TRO
35 VREF
36 RFGC
37 TEBC
38 SEL
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.

FUNCTION TABLE OF IC

Input/Output
Output Bit clock output terminal. 32fs, 48fs or 64fs can be selected by command.
Output L/R channel clock output terminal. L channel: "L", R channel: "H".
the output polarity can be inverted by command.
Output Audio data output terminal. MSB/LSB fast can be selected by command.
Output Digital out output terminal. Up to double speed can be output.
Output Correction flag output terminal. When the correction impossible symbol appears if the AOUT
output corresponds to the C2 correction output: "H".
— Digital 3.3V power supply terminal.
— Digital GND terminal.
Output Subcode Q data CRCC decision result output terminal. When the decision result is OK: "H".
Input/Output Clock input/output terminal for subcodes P-W data reading.
The input/output polarity can be selected by command.
Output Subcodes P-W data output terminal.
Output Playback system frame sync signal output terminal.
Output Subcode block sync output terminal.
In the S1 position when the subcode sync is detected: "H".
Output Playback speed mode flag output terminal.
Output
/UHSO
H
H
L
—
— 3.3V power supply terminal for PLL system.
Output EFM signal/PLCK signal phase error signal output terminal.
Output TMAX detection result output terminal.
TMAX detection result
Longer than the specified period
Within the specified period
Shorter than the specified period
Input Amp's inversion input terminal for PLL system low-pass filter.
Output Amp's output terminal for PLL system low-pass filter.
— VREF terminal only for PLL system.
Output Filter terminal for VCO.
— Analog GND terminal.
Output DAC output terminal for data slice level generation.
Input RF signal input terminal. Zin can be selected by command.
— Analog 3.3V power supply terminal.
Input RFRP signal center level input terminal.
Input Input terminal for RFRP signal zero crossing.
Input RF ripple signal terminal.
Input Focus error signal input terminal.
Input Sub-beam addition signal input terminal.
Input Tracking error input terminal. Fetch when the tracking servo is on.
Input Input terminal for tracking error signal zero crossing.
Output Focus equalizer output terminal.
Output Tracking equalizer output terminal.
— Analog reference power supply terminal.
Output RF amplitude adjustment control signal output terminal.
Output Tracking balance control signal output terminal.
Output APC circuit ON/OFF signal output terminal.
When the laser is on, UHS="L": "Hi-z", UHS="H": "H" output.
Function
Playback speed
/HSO
H Normal speed playback
L Double speed playback
L 4-time speed playback
— —
TMAX output
"PVDD3"
"Hi-z"
"AVSS3"
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CD-CH1000