Sony PRS-500 Service Manual page 34

PRS-500
Pin No. Pin Name
D3 SD_DAT1
D4 ETHERINT
D5 NVDD1
D6 USBD_VP
D7 QVDD4
D8 UART2_TXD
D9 NVDD3
D10 NAND-ALE
D11 PCUSB
D12 PCAUDIO
D13 SRMS
D14 AMUTE
D15 SRDSP
E1 A21
E2 A22
E3 D30
E4 D29
E5 NVDD1
E6 QVSS
E7 UART2_RTS
E8 UART1_RXD
E9 UART1_CTS
E10 NAND-CLE
E11 USB_CHG
E12 SREINK
E13 NMI
E14 ED0
E15 PA3
F1 A20
F2 A19
F3 D28
F4 D27
F5 NVDD1
F6 NVDD1
F7 UART2_CTS
F8 SSI_RXCLK
F9 SSI_TXDAT
F10 PD8
F11 QVDD3
F12 SRSD
F13 MSDET
F14 ED2
F15 ED4
G1 A17
G2 A18
G3 D26
G4 D25
G5 NVDD1
G6 NVSS
34
I/O
I/O Not used (Open)
I Not used (Fixed to "H")
— 2.9V DC input
I USB plus input
— 1.95V DC input
O Not used
— 2.9V DC input
O Address latch enable for NAND Flash ROM
O Power controll output for USB
O Power controll output for DAC clock
O Reset output for MS controller
— Not used (Open)
O Reset output for DAC
O 25 bits address bus
O 25 bits address bus
I/O 32 bits data bus
I/O 32 bits data bus
— 2.9V DC input
— Ground
I Not used (Fixed to "H")
I Serial data input from sub CPU
O Serial clear for sub CPU
O Command latch enable for NAND Flash ROM
O USB charge controll output
O Reset output for indicator controller
I Not used (Fixed to "H")
I/O 8 bits data bus for indicator
— Not used (Open)
O 25 bits address bus
O 25 bits address bus
I/O 32 bits data bus
I/O 32 bits data bus
— 2.9V DC input
— 2.9V DC input
O Not used (Fixed to "L")
I Not used (Open)
O Serial audio data output for audio DAC
— Not used (Open)
— 1.95V DC input
O Reset output for SD controller
I MS detect input from MS slot
I/O 8 bits data bus for indicator
I/O 8 bits data bus for indicator
O 25 bits address bus
O 25 bits address bus
I/O 32 bits data bus
I/O 32 bits data bus
— 2.9V DC input
— Ground
Description