TC94A14F/FA/FB
2002-11-18
1
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC94A14F,TC94A14FA,TC94A14FB
Digital Servo Single-Chip Processor for Use in CD Player
TC94A14F/FA/FB is a single-chip processor which incorporates
the following functions: sync separation protection, interpolation,
EFM decoder, error correction, micro controller interface, digital
equalizer for use in servo LSI, and servo control circuit.
TC94A14F/FA/FB also incorporates a 1-bit DA converter.
Combining TC94A14F/FA/FB with digital servo head amp
TA2157F/FN enables very simple and completely adjustment-free
CD player systems.
Features
Capable of decoding the text data.
Sync pattern detection, sync signal protection, and
synchronization can be made correctly.
Built-in EFM demodulation circuit and sub code
demodulation.
Capable of correcting dual C1 correction and quadruple C2
correction using the CIRC correction theoretical format.
The TC94A14F/FA/FB respond to variable playback system.
Jitter absorbing capacity of 6 frame.
Built-in 16 KB RAM.
Built-in digital out circuit.
Built-in L/R independent digital attenuator.
Audio output responds to bilingual function.
Output format for audio out can be selected 32fs, 48fs or 64fs
modes.
Read-timing-free sub code Q data and capable of synchronous
output with audio data.
Built-in data slicer and analog PLL (adjustment-free VCO).
Capable of automatic adjustment function of focus and
tracking servos for loop gain, offset and balance.
Built-in RF gain automatic adjustment circuit.
Built-in digital equalizer for phase compensation.
Built-in RAM for digital equalizer for coefficient, and capable of variable pickup.
Built-in focus and tracking servo control circuit.
Search control corresponds to every mode and can realize high speed and stable search.
Lens-kick and feed-kick are using speed-controlled form.
Built-in AFC and APC circuits for CLV servo of disc motor.
Built-in anti-defect and anti-shock circuit.
Built-in 8 times over sampling digital filter and 1-bit DA converter.
Built-in analog filter for 1-bit DA converter.
Built-in zero data detection output circuit.
The TC94A14F/FA capable of 4 times speed operation.
Built-in micro controller interface circuit.
CMOS silicon structure and high speed, low power consumption.
64-pin flat package.
TC94A14F
TC94A14FA
TC94A14FB
Weight
QFP64-P-1414-0.80A: 0.5 g (typ.)
LQFP64-P-1010-0.50: 0.4 g (typ.)
QFP64-P-1212-0.65: 0.45 g (typ.)
TC94A14F/FA/FB
2002-11-18
2
Block Diagram
(top view)
DV
SS3
RO
DV
DD3
DVR
LO
DV
SS3
ZDET
V
SS5
BUS0
BUS1
BUS2
BUS3
BUCK
/CCE
/RST
V
DD5
TEZI
TEI
SBAD
FEI
RFRP
RFZI
RFCT
AV
DD3
RFI
SLCO
AV
SS3
VCOF
PV
REF
LPFO
LPFN
TMAX
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
XV
DD3
XO
XI
XV
SS3
TES
I
N
V
DD3
V
SS3
DM
O
FMO
AV
DD3
SEL
TEBC
RF
GC
V
REF
TR
O
FOO
48
32
33
47
46
45
44
43
42
41
40
39
38
37
36
35
34
BC
K
LRC
K
AO
U
T
DOUT
IPF
V
DD3
V
SS3
SBO
K
CLC
K
DA
T
A
SFS
Y
SB
S
Y
IO
0
IO
1
PV
DD3
PD
O
1
16
2
3
4
5
6
7
8
9
10
11
12
13
14
15
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
Micro-
controller
interface
Audio out
circuit
Digital output
Correc
t
i
on
ci
r
c
u
i
t
16 k
RAM
Address
circuit
LPF
Sub code
decoder
CLV servo
ROM
RAM
Digital equalizer
automatic
adjustment circuit
Servo control
PWM
A/D
D/A
Data
slicer
VCO
PLL
TMAX
Clock
generator
1-bit
DAC
Synchronous
guarantee
EFM
decoder
TC94A14F/FA/FB
2002-11-18
3
Pin Functions
Pin No.
Symbol
I/O
Function Description
Remarks
1 BCK
O
3-5I/F
Bit clock output pin. 32fs, 48fs, or 64fs selectable by command.
Normal speed:
32fs
=
1.4112 MHz
2 LRCK
O
3-5I/F
L/R channel clock output pin. "L" for L channel and "H" for R
channel. Output polarity can be inverted by command.
Normal speed: 44.1 kHz
3 AOUT
O
3-5I/F
Audio data output pin. MSB-first or LSB-first selectable by
command.
4 DOUT
O
3-5I/F
Digital data output pin. Outputs up to double-speed playback.
Based on CP-1201
5 IPF
O
3-5I/F
Correction flag output pin. When set to "H", AOUT output cannot
be corrected by C2 correction processing.
Alias: C2PO
6 V
DD3
Digital 3.3 V power supply voltage pin.
7 V
SS3
Digital
GND
pin.
8 SBOK
O
3-5I/F
Subcode Q data CRCC result output pin. "H" level when result is
OK.
9 CLCK
I/O
3-5I/F
Subcode P-W data read clock I/O pin. I/O polarity selectable by
command.
Schmitt input
10 DATA O
3-5I/F
Subcode P-W data output pin.
11 SFSY O
3-5I/F
Playback frame sync signal output pin.
12 SBSY O
3-5I/F
Subcode block sync signal output pin. "H" level at S1 when
subcode sync is detected.
13 IO0
14 IO1
I/O
3-5I/F
General-purpose input / output pins.
Input port at reset.
Schmitt at input
15 PV
DD3
PLL-only 3.3 V power supply voltage pin.
16 PDO O
AI/F
EFM and PLCK phase difference signal output pin.
4-state output
(PV
DD3
, HiZ, PV
REF
, AV
SS3
)
17 TMAX
O
AI/F
TMAX detection result output pin.
TMAX Detection Result
TMAX Output
Longer than fixed period
"PV
DD3
"
Within fixed period
"HiZ"
Shorter than fixed period
"AV
SS3
"
3-state output
(PV
DD3
, HiZ, AV
SS3
)
18 LPFN I
AI/F
Inverted input pin for PLL LPF amp.
Analog input
19 LPFO O
AI/F
Output pin for PLL LPF amp.
Analog output
20 PV
REF
PLL-only
V
REF
pin.
21 VCOF O
AI/F
VCO filter pin.
Analog output
22 AV
SS3
Analog GND pin.
23 SLCO O
AI/F
DAC output pin for data slice level generation.
Analog output
24 RFI I
AI/F
RF signal input pin. Zin selectable by command.
Analog input
25 AV
DD3
Analog 3.3 V power supply voltage pin.
TC94A14F/FA/FB
2002-11-18
4
Pin No.
Symbol
I/O
Function Description
Remarks
26 RFCT I
AI/F
RFRP signal center level input pin.
Analog input: Zin
=
33 k
W
27 RFZI I
AI/F
RFRP signal zero-cross input pin.
Analog input
28 RFRP I
AI/F
RF ripple signal input pin.
Analog input
29 FEI I
AI/F
Focus error signal input pin.
Analog input
30 SBAD I
AI/F
Sub-beam adder signal input pin.
Analog input
31 TEI I
AI/F
Tracking error input pin. Inputs when tracking servo is on.
Analog input
32 TEZI I
AI/F
Tracking error signal zero-cross input pin.
Analog input: Zin
=
10 k
W
33 FOO O
AI/F
Focus equalizer output pin.
34 TRO O
AI/F
Tracking equalizer output pin.
Analog output
(AV
SS3
~AV
DD3
)
35 V
REF
Analog reference power supply voltage pin.
36 RFGC O
AI/F
RF amplitude adjustment control signal output pin.
37 TEBC O
AI/F
Tracking balance control signal output pin.
3-state output
(PWM carrier
=
88.2 kHz)
(AV
DD3
, V
REF
, AV
SS3
)
38 SEL O
AI/F
APC circuit ON/OFF signal output pin. At laser on, high
impedance with UHS
=
"L", H output with UHS
=
"H".
3-state output
39 AV
DD3
Analog 3.3 V power supply voltage pin.
40 FMO O
AI/F
Feed equalizer output pin.
41 DMO O
AI/F
Disc equalizer output pin.
3-state output
(PWM carrier
=
88.2 kHz)
(AV
DD3
, V
REF
, AV
SS3
)
42 V
SS3
Digital
GND
pin.
43 V
DD3
Digital 3.3 V power supply voltage pin.
44 TESIN I
3I/F
Test input pin. Normally, fixed to "L".
45 XV
SS3
System clock oscillator GND pin.
46 XI I
AI/F
System clock oscillator input pin.
47 XO O
AI/F
System clock oscillator output pin.
48 XV
DD3
System clock oscillator 3.3 V power supply voltage pin.
49 DV
SS3
DA
converter
GND
pin.
50 RO O
AI/F
R-channel data forward output pin.
51 DV
DD3
DA converter 3.3 V power supply pin.
52 DVR
Reference
voltage
pin.
53 LO O
AI/F
L-channel data forward output pin.
54 DV
SS3
DA
converter
GND
pin.
TC94A14F/FA/FB
2002-11-18
5
Pin No.
Symbol
I/O
Function Description
Remarks
55 ZDET O
3-5I/F
1 bit DA converter zero data detection flag output pin.
56 V
SS5
Microcontroller interface GND pin.
57 BUS0
58 BUS1
59 BUS2
60 BUS3
I/O
3-5I/F
Microcontroller interface data I/O pins.
Schmitt input
CMOS ports
61 BUCK I
3-5I/F
Microcontroller interface clock input pin.
Schmitt input
62 /CCE I
3-5I/F
Microcontroller interface chip enable signal input pin. At "L",
BUS0 to BUS3 are active.
Schmitt input
63 /RST I
3-5I/F
Reset signal input pin. At reset, "L".
Built-in pull-up resistor
64 V
DD5
Microcontroller interface 5 V power supply pin.
Note: AI/F: analog input/output pin
3-5I/F: 3-5 interface built-in pin (5 V input/output pin)
3I/F: 3 V input/output pin
Maximum Ratings
(unless otherwise specified, GND reference, Ta
=
=
=
=
25C)
Characteristics Symbol
Rating
Unit
Remarks
V
DD5
-
0.3~6.0 64-56
pin
Power supply voltage
V
DD3
-
0.3~4.5
V
6-7 pin
15, 25, 39-22 pin
43-42 pin
48-45 pin
51-49, 54 pin
V
IN5
-
0.3~ V
DD5
+
0.3
9, 13, 14, 57~63 pin
Input voltage
V
IN3
-
0.3~ V
DD3
+
0.3
V
18, 24, 26~32, 44 pin
1910 TC94A14F
1000 TC94A14FA
Power dissipation
P
D
1310
mW
TC94A14FB
Operating temperature
T
opr
-
40~
+
85 C
Storage temperature
T
stg
-
55~
+
150 C
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