tc94a23f TOSHIBA Semiconductor CORPORATION, tc94a23f Datasheet - Page 4

• Manufacturer Part Number: tc94a23f
• Description: Single-chip Cd Processor With Built-in Controller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Block Diagram
P4-0 (ADin4/BUZR)
P4-2 (SI0/SI1/SDA)
P4-3 (SCK/SCL)
P3-3 (ADin3)
P3-2 (ADin2)
P3-1 (ADin1)
P4-1 (SI2)
DV
DV
DV
XV
XV
DV
DV
INTR
MXO
P1-3
P1-0
P3-0
V
V
MXI
RO
XO
DD
RR
DD
LO
DD
SS
SR
SS
RL
SL
XI
SBSY
X’tal OSC
Interface
Interrupt
BUZR
Conv.
Port1
Timer
Cont.
Serial
Port4
Port3
AD
Clock gene.
CD clock
ZDET
CPU clock
MPX
P2-0~P2-3
IN1
Data Reg (16 bit)
(16 ´ 8192 Step)
Stack Reg.
Bias
(8Level)
SERVO
control
ROM
ROM
RAM
PWM
Program
Counter
Automatic adjustment
Digital equalizer
ZDET, CLCK, DATA, SFSY, LRCK, BCK, MBOV, IPF
V
Micon interface
LCD Driver/Output Port
SBSY
REF
circuit
Audio out
LRCK, BCK, MBOV, IPF
CLCK, DATA, SFSY,
DA
4
Sub code decoder
V
G-Reg.
REF
Digital out
(4 ´ 512 word)
Instruction
Decoder
servo
CLV
RAM
CD Reset
AD
Reset
Correction circuit
guarantee EFM
Synchronous
16 k SRAM
decode
R/W Buf.
Reset
ALU
Power on Reset
Port8
OT19-22
F/F
TMAX
slicer
Data
VCO
PLL
V
REF
TC94A23F
2002-02-06
RFI
RST
SLCO
TMAX
PDO
P2V
VCOF
PV
LPFO
LPFN
SBOK
SBSY
DOUT
OT22 (COFS)
OT21 (SPDA)
OT20 (SPCK)
OT19 ( HSO )
TESTM
TESTC
IN1 (BCKin)
IN2
P2-0 (EMPHin)
P2-1 ( HSO in)
P2-2 (LRCKin)
P2-3 (DATAin)
MV
MV
HOLD
REF
DD
SS
REF