Sony PRS-505 Service Manual page 43

Portable reader system
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Pin No.
Pin Name
P11
P12
P13
P14
P15
XRESET-SF
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
GPSRAM1
R11
R12
R13
R14
R15
TE
L 13942296513
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http://www.xiaoyu163.com
I/O
DQM1
O
Data enable signal output to the SD-RAM
XRAS
O
Row address select signal output to the SD-RAM
SDCKE1
O
Clock enable signal output to the SD-RAM
CLKO
O
Host clock signal output to the memory stick duo/SD memory card controller
O
Not used
Address signal output to the memory stick duo/SD memory card controller, USB controller,
A6
O
SD-RAM and NOR fl ash memory
Two-way data bus with the memory stick duo/SD memory card controller, USB controller,
D11
I/O
SD-RAM and NOR fl ash memory
XEB1
O
Byte strobe signal output terminal
Write enable signal output to the memory stick duo/SD memory card controller,
XEB2
O
USB controller and NOR fl ash memory
XOE
O
Read enable signal output terminal
Two-way data bus with the memory stick duo/SD memory card controller, USB controller,
D7
I/O
NAND fl ash memory, SD-RAM and NOR fl ash memory
A0
O
Address signal output terminal
SDCLK
O
Clock output to the SD-RAM
Two-way data bus with the memory stick duo/SD memory card controller, USB controller,
D4
I/O
NAND fl ash memory, SD-RAM and NOR fl ash memory
O
Not used
Two-way data bus with the memory stick duo/SD memory card controller, USB controller,
D3
I/O
NAND fl ash memory, SD-RAM and NOR fl ash memory
DQM3
O
Data enable signal output to the SD-RAM
XCAS
O
Column address select signal output to the SD-RAM
XSDWE
O
Write enable signal output to the SD-RAM
AVDD1
-
Power supply terminal (+2.9V)
x
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y
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8
Not used
Not used
Q Q
3
6 7
1 3
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2 9
9 4
2 8
Description
Not used
1 5
0 5
8
2 9
9 4
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PRS-505
9 9
2 8
9 9
43

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