TC94A14F Datasheet, PDF (2/17 Pages) Toshiba Semiconductor – Digital Servo Single-Chip Processor for Use in CD Player

Block Diagram (top view)
TC94A14F/FA/FB
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
DV_SS3 49
RO 50
DV_DD3 51
LPF
DVR 52
LO 53
Clock
generator
1-bit
DAC
PWM
Servo control
D/A
A/D
32 TEZI
31 TEI
30 SBAD
29 FEI
28 RFRP
DV_SS3 54
ZDET 55
V_SS5 56
BUS0 57
BUS1 58
BUS2 59
BUS3 60
BUCK 61
/CCE 62
/RST 63
Address
circuit
16 k
RAM
Micro-
controller
interface
Audio out _{Digital output}
circuit
ROM Digital equalizer
automatic
RAM _{adjustment circuit}
CLV servo
Synchronous
guarantee
EFM
decoder
Data
slicer
VCO
Sub code
decoder
PLL
TMAX
27 RFZI
26 RFCT
25 AV_DD3
24 RFI
23 SLCO
22 AV_SS3
21 VCOF
20 PV_REF
19 LPFO
18 LPFN
V_DD5 64
17 TMAX
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
2
2002-11-18