Pioneer AVIC-N2 Service Manual page 277

5
- Block Diagram Chart
A2-A11,A23
D0-D31
CPU_CLK
XBCYST
XRESET
XCS2(SRAM)
XCS3(ASIC)
XCS5(PCCARD)
XCS6(DSP)
XIOWR
XIORD
XMWR
XMRD
CPU
XLLBEN
XLUBEN
DMARQ0
DMARQ1
DMARQ2
XREADY
INTP0
INTP1
INTP2
INTP3
SRAM_CSSEL
XCS_SRAM
XCS_SRAMH
XCS_FLASH
XWR_SRAM
5
6
CPU I/F BLOCK
TOP SECTION
DMA CHANNEL
SELECT SECTION
WAIT CONTROL
SECTION
INTERRUPT
CONTROL
SECTION
PROTECT
and
CHIP SELECT
GENERATOR
XCS_DSP
SECTION
TIMER SECTION
AVIC-N2/XU/UC
6
7
ASIC
INT
ASIC_CLK
XRESET
A7-A2
DMA
WExx
RExx
REMOTE CONTROL)
DMAxx
WAIT
WTxx
PC-CARD BLOCK
INTxx
7
8
AUDIO BLOCK
CD-ROM BLOCK
PERI BLOCK
(SIO,PIO,
ATAPI BLOCK
SOUND BLOCK
USB BLOCK
277
8
A
B
C
D
E
F