Sony PRS-500 Service Manual page 33

• IC Pin Function Description
MAIN BOARD IC1001 MC9328MXLVP20R2 (MAIN CPU)
Pin No. Pin Name
A1 SD_CMD
A2 SRAMINT
A3 VBUS
A4 USBD_OE
A5 USBD_SUSPND
A6 USBD_VM
A7 SSI_RXFS
A8 SSI_TXCLK
A9 NAND-CE1
A10 NAND-CE0
A11 SDINT
A12 PD9
A13 PCEINK
A14 DS1
A15 DS2
B1 SD_DAT3
B2 SD_CLK
B3 SD_DET
B4 USBD_AFE
B5 USBD_RCV
B6 USBD_VMO
B7 SSI_RXDAT
B8 UART1_TXD
B9 RY//BY
B10 LSCLK
B11 HPSET
B12 PCETHER
B13 PCDSP
B14 ACK
B15 C/D
C1 D31
C2 SD_DAT0
C3 MSINT
C4 SD_WP
C5 SD_DAT2
C6 USBD_VPO
C7 UART2_RXD
C8 SSI_TXFS
C9 UART1_RTS
C10 USB_BOOT
C11 PCMS
C12 R/W
C13 WUP
C14 SRETHER
C15 NVDD2
D1 A23
D2 A24
I/O
O Not used (Open)
I Not used (Fixed to "H")
I VBUS input
O USB output enable
O USB suspend
I USB minus input
I Not used (Open)
O Serial clock output for audio DAC
O Not used
O Chip enable for NAND Flash ROM
I SD interrupt input
— Not used (Open)
— Not used (Open)
O Device select output for indicator controller
O Not used (Open)
I/O Not used (Open)
O Not used (Open)
I SD card detect input
O Not used (Open)
I USB receive data input
O USB minus output
I Not used (Fixed to "L")
O Serial data output for sub CPU
I Ready/Busy input from NAND Flash ROM
O Not used (Open)
I Head phone detect input
— Not used (Open)
— Not used (Open)
I Acknowledge from indicator controller
O Command/data output for indicator controller
I/O 32 bits data bus
I/O Not used (Open)
I MS interrupt input
I SD write protect input
I/O Not used (Open)
O USB plus output
I Not used (Fixed to "H")
O LRCK output for audio DAC
I Serial request from sub CPU
I USB boot mode input
O Power controll output for SD/MS
O Read/write enable output for indicator controller
O Wake up output for indicator controller
O Not used
— 2.9V DC input
O 25 bits address bus
O 25 bits address bus
Description
PRS-500
33