77
MEX-1HD
•
MAIN BOARD IC2003
CXD9533Q (CPU/ATA INTERFACE)
Pin No.
Pin Name
I/O
Description
1
VDD
—
Power supply terminal (+3.3V)
2, 3
SD_D03, SD_D04
I/O
Two-way data bus with the SD-RAM
4
VSS
—
Ground terminal
5, 6
SD_D05, SD_D06
I/O
Two-way data bus with the SD-RAM
7
VDD
—
Power supply terminal (+3.3V)
8, 9
SD_D07, SD_D08
I/O
Two-way data bus with the SD-RAM
10
VSS
—
Ground terminal
11 to 17
SD_D09 to
SD_D15
I/O
Two-way data bus with the SD-RAM
18
SD_DQML
O
Write mask signal output to the SD-RAM (lower byte)
19
SD_DQMU
O
Write mask signal output to the SD-RAM (upper byte)
20
VDD
—
Power supply terminal (+3.3V)
21
SD_CLK
O
Clock signal output to the SD-RAM
22
VSS
—
Ground terminal
23
SD_XWE
O
Write enable signal output to the SD-RAM
24
SD_XCAS
O
Column address strobe signal output to the SD-RAM
25
SD_XRAS
O
Row address strobe signal output to the SD-RAM
26
SD_XCS1
O
Chip select signal output to the SD-RAM
27
VDD
—
Power supply terminal (+3.3V)
28, 29
SD_A11, SD_A10
O
Address signal output to the SD-RAM
31 to 33
SD_A09 to
SD_A07
O
Address signal output to the SD-RAM
34
VDD
—
Power supply terminal (+3.3V)
35, 36
SD_A06, SD_A05
O
Address signal output to the SD-RAM
37
VSS
—
Ground terminal
38 to 42
SD_A04 to
SD_A00
O
Address signal output to the SD-RAM
43 to 46
AV_HD00 to
AV_HD03
I/O
Two-way AV data bus with the DSP
47
VDD
—
Power supply terminal (+3.3V)
48, 49
AV_HD05,
AV_HD06
I/O
Two-way AV data bus with the DSP
50
VSS
—
Ground terminal
51 to 54
AV_HD06 to
AV_HD09
I/O
Two-way AV data bus with the DSP
55
VDD
—
Power supply terminal (+3.3V)
56, 57
AV_HD10,
AV_HD11
I/O
Two-way AV data bus with the DSP
58
VSS
—
Ground terminal
59 to 62
AV_HD12 to
AV_HD15
I/O
Two-way AV data bus with the DSP
63
AV_BEND0
O
AV bus block data transfer completely signal output terminal Not used
64 to 66
AV_BEND1 to
AV_BEND3
O
AV bus block data transfer completely signal output to the DSP
67
XAV_DRQ0
I
AV bus data request signal input terminal Not used
68 to 70
XAV_DRQ1 to
XAV_DRQ3
I
AV bus data request signal input from the DSP
Summary of Contents for MEX-1HD - Audio Library System
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