TC94A14F Datasheet, PDF (3/17 Pages) Toshiba Semiconductor – Digital Servo Single-Chip Processor for Use in CD Player

Pin Functions
TC94A14F/FA/FB
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Symbol
BCK
LRCK
AOUT
DOUT
IPF
V_DD3
V_SS3
SBOK
CLCK
DATA
SFSY
SBSY
IO0
IO1
I/O
Function Description
Remarks
O
3-5I/F
Bit clock output pin. 32fs, 48fs, or 64fs selectable by command.
Normal speed:
32fs = 1.4112 MHz
O L/R channel clock output pin. “L” for L channel and “H” for R
3-5I/F channel. Output polarity can be inverted by command.
Normal speed: 44.1 kHz
O Audio data output pin. MSB-first or LSB-first selectable by
3-5I/F command.
¾
O
3-5I/F
Digital data output pin. Outputs up to double-speed playback.
Based on CP-1201
O
3-5I/F
Correction flag output pin. When set to “H”, AOUT output cannot
be corrected by C2 correction processing.
Alias: C2PO
¾ Digital 3.3 V power supply voltage pin.
¾
¾ Digital GND pin.
¾
O Subcode Q data CRCC result output pin. “H” level when result is
3-5I/F OK.
¾
I/O Subcode P-W data read clock I/O pin. I/O polarity selectable by
3-5I/F command.
Schmitt input
O
3-5I/F
Subcode P-W data output pin.
¾
O
3-5I/F
Playback frame sync signal output pin.
¾
O Subcode block sync signal output pin. “H” level at S1 when
3-5I/F subcode sync is detected.
¾
I/O General-purpose input / output pins.
3-5I/F Input port at reset.
Schmitt at input
15
PV_DD3
¾ PLL-only 3.3 V power supply voltage pin.
16
PDO
O
AI/F
EFM and PLCK phase difference signal output pin.
TMAX detection result output pin.
¾
4-state output
(PV_DD3, HiZ, PV_REF, AV_SS3)
17
TMAX
O
AI/F
TMAX Detection Result
Longer than fixed period
Within fixed period
Shorter than fixed period
TMAX Output
“PV_DD3”
“HiZ”
“AV_SS3”
3-state output
(PV_DD3, HiZ, AV_SS3)
18
LPFN
I
AI/F
Inverted input pin for PLL LPF amp.
19
LPFO
O
AI/F
Output pin for PLL LPF amp.
20
PV_REF
¾ PLL-only V_REF pin.
21
VCOF
O
AI/F
VCO filter pin.
22
AV_SS3
¾ Analog GND pin.
23
SLCO
O
AI/F
DAC output pin for data slice level generation.
24
RFI
I
AI/F
RF signal input pin. Zin selectable by command.
25
AV_DD3
¾ Analog 3.3 V power supply voltage pin.
Analog input
Analog output
¾
Analog output
¾
Analog output
Analog input
¾
3
2002-11-18