Pioneer avic-d1 Service Manual page 236

1
A
- Block Diagram Chart
B
CPU
C
D
E
F
236
1
2
CPU I/F BLOCK
A2-A11,A23
D0-D31
CPU_CLK
XBCYST
XRESET
XCS2(SRAM)
XCS3(ASIC)
TOP SECTION
XCS5(PCCARD)
XCS6(DSP)
XIOWR
XIORD
XMWR
XMRD
XLLBEN
XLUBEN
DMARQ0
DMA CHANNEL
DMARQ1
SELECT SECTION
DMARQ2
WAIT CONTROL
XREADY
SECTION
INTP0
INTERRUPT
INTP1
CONTROL
INTP2
SECTION
INTP3
SRAM_CSSEL
XCS_SRAM
PROTECT
XCS_SRAMH
and
CHIP SELECT
XCS_FLASH
GENERATOR
XCS_DSP
SECTION
XWR_SRAM
TIMER SECTION
AVIC-D1/UC
2
3
ASIC
INT
ASIC_CLK
XRESET
A7-A2
DMA
WExx
RExx
REMOTE CONTROL)
DMAxx
WAIT
WTxx
PC-CARD BLOCK
INTxx
3
4
AUDIO BLOCK
CD-ROM BLOCK
PERI BLOCK
(SIO,PIO,
ATAPI BLOCK
SOUND BLOCK
USB BLOCK
4