tc9446fg TOSHIBA Semiconductor CORPORATION, tc9446fg Datasheet - Page 3
tc9446fg
Manufacturer Part Number
tc9446fg
Description
Audio Digital Processor For Decode Of Dolby Digital Ac-3 , Mpeg2 Audio
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
1.TC9446FG.pdf
(41 pages)
- Current page: 3 of 41
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Block Diagram
LRCK/BCK
MIACK
MIDIO
MICK
SDOn
LOCK
MIMD
MICS
MILP
RST
SDIn
IRQ
RX
2
4
Instruction
Program
MCU interface
control
Interface
Interrupt
Timer
Audio
DIR
4 k word × 3
Instruction
128 word
Program
Decoder
ROM
RAM
40 bit
I bus
X bus
Y bus
4 k word
XRAM
MX
X0, X1, X2
Y0, Y2, Y3
4 k word
Register
A1
YRAM
Round/Limiter
MAC
MY
4 k word
CROM
A0
MZ
3
4 k word
ERAM
A2
AX
Round/Limiter
ALU
X pointer
register
AY
A3
Address operator
Y pointer
register
× 2
C pointer
register
Bus switch
External SRAM
General output
interface
Timing
Flag
DLL
port
DIT
17
3
8
8
4
SCKO
SCKI
DLON
LPFO
ADn
IOn
POn
FIn
TXO
CE , OE , WR
TC9446FG
2005-09-28
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