Sony PRS-505/SC Service Manual - Page 43

Sony PRS-505/SC - Portable Reader System Manual

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PRS-505 Pin No. P11 P12 P13 P14 P15 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 Pin Name DQM1 XRAS SDCKE1 CLKO XRESET-SF A6 D11 XEB1 XEB2 XOE D7 A0 SDCLK D4 GPSRAM1 D3 DQM3 XCAS XSDWE AVDD1 I/O Description O Data enable signal output to the SD-RAM O Row address select signal output to the SD-RAM O Clock enable signal output to the SD-RAM Not used O Host clock signal output to the memory stick duo/SD memory card controller O Not used O Address signal output to the memory stick duo/SD memory card controller, USB controller, SD-RAM and NOR flash memory I/O Two-way data bus with the memory stick duo/SD memory card controller, USB controller, SD-RAM and NOR flash memory O Byte strobe signal output terminal Not used O Write enable signal output to the memory stick duo/SD memory card controller, USB controller and NOR flash memory O Read enable signal output terminal I/O Two-way data bus with the memory stick duo/SD memory card controller, USB controller, NAND flash memory, SD-RAM and NOR flash memory O Address signal output terminal Not used O Clock output to the SD-RAM I/O Two-way data bus with the memory stick duo/SD memory card controller, USB controller, NAND flash memory, SD-RAM and NOR flash memory O Not used I/O Two-way data bus with the memory stick duo/SD memory card controller, USB controller, NAND flash memory, SD-RAM and NOR flash memory O Data enable signal output to the SD-RAM O Column address select signal output to the SD-RAM O Write enable signal output to the SD-RAM - Power supply terminal (+2.9V) 43

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