Sony RCD-W500C - Page 79

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RCD-W500C
IC104 CXD9717R-008 (BD Board)
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PO2
PO3
VDDT
PO1 PO0 TXO TESTP
VSSR
DIT
DAC DAC
Bus
Switch
PO4
PO5
PO6
REQ
General
Output Port
Address Calc.
2sets
Y- Po i n ter
register
C-Pointer
register
X-Pointer
register
VSS
IRQ
VDDM
FI0
FI1
Flag
ERAM
2k word
CROM
4k word
YRAM
4k word
XRAM
4k word
Timer
Interrupt
Control
DRAM I/F
I-Bus
SRAM I/F
1Mbit
SRAM
X-Bus
Y- Bus
PI0
PI1
VSS
VSSM
General
Input Port
SubQ
I/F
VC0
Timing
Generator
PRAM
256 word
PROM
1k
=12k word
10bit
Instruction
Decoder
Program
Control
Microcom. I/F
register
XO • X1 • X2
Y0 • Y1 • Y2
MX MY MZ
MAC
A0 A1
AX AY
ALU
A2 A3
round & limit round & limit
Audio I/F
BCKIB
SDI1
LRCKIA
BCKIA
SDIO
LRCKO
BCKO
SDO
VDDT
MIACK
MICK
MIDIO
MILP
MICS
MIMD
RESET
PI2 PI3
PI4/CLCK
VDD
PI5/DATA
TSTIN/SFSY
FI2/SBSY
VSSP
PDO
VCOI
VDDX/XRDE
VSSX
CKO
VDDP
XI
XO
VRAR RO VDAR VDAL LO VRAL VSSL VSS STANDBY VDD LRCKIB