JVC TH-A75R Service Manual page 30

TH-A75R
4.14 DSPC56367PV150 (IC521) : DSP
• Pin layout
144
37
• Block diagram
1
TRIPLE
TMER
1-30 (No.21189)
~ 109
~ 72
4
8
2 16
DAX
HOST ESAI
(SPDIF Tx)
INTER- INTER-
INTER-FA
FACE FACE
CE
ESAI_1
PERIPHERAL
EXPANSION AREA
ADDRESS
GENERATION
UNIT
SIX CHANNELS
DMA UNIT
24-BIT
DSP56300
Core
INTERNAL
DATA
BUS
PLL
PROGRAM
PROGRAM
DECODE
INTERRUPT
CLOCL
CONTOROLLER
CONTOROLLE
GENERAT
EXTAL
MODA/IRQA
RESET MODB/IRQB
MODC/IRQC
PINT/NMT
MODD/IRQD
5
6
MEMORY EXPANSION AREA
PROGRAM
RAM
SHI
X MEMORY
/INSTR.
INTER-
RAM
CACHE
FACE
3K x 24 13K x 24
ROM
PROGRAM
32K x 24
ROM
40K x 24
Bootstrap
YAB
XAB
PAB
DAB
DDB
YDB
XDB
PDB
GDB
DATA ALU
PROGRAM
24X24+56>56BIBT MAC
ADDRESS
TWO 56BIT ACCUMULATORS
GEBERATOR
BARREL SHIFTER
Y MEMORY
RAM
7K x 24
ROM
8K x 24
18
EXTERNAL
ADDRESS
BUS
ADDRESS
SWITCH
DRAM &
10
SRAM BUS
INTERFACE
&
CONTROL
I-CACHE
24
EXTERNAL
DATA BUS
SWITCH
DATA
POWER
GNGMNT
4
JTAG
OnCE
TW
24 BITS BUS