Sony RDR-HX520 Service Manual page 76

Pin No. Pin Name
D13 HADRS[18]
D14 HADRS[14]
D15 HADRS[9]
D16 MSINS
D17 SCLK[2]
D18 CTS[2]
D19 TX[0]
D20 TX[3]
D21 RX[3]
D22 VMCLK
D23 RX[0]
D24 HDATA[13]
D25 HDATA[10]
E1 AT2CS[1]
E2 AT1RESET
E3 AT1DATA[7]
E4 AT1DATA[8]
E5 VDD
E6 VSS
E7 VDD
E8 VDD33
E9 VSS
E10 VDD
E11 VSS
E12 VDD33
E13 VDD
E14 VSS
E15 VDD
E16 VSS
E17 VDD33
E18 VDD
E19 VSS
E20 VDD
E21 VDD33
E22 HDATA[4]
E22 HDATA[14]
E23 HDATA[12]
E24 HDATA[9]
E25 HDATA[8]
F1 AT2ADR[1]
F2 AT2ADR[0]
F3 AT2ADR[2]
F4 AT2CS[0]
F5 VSS
F21 VDD
F22 HDATA[11]
F23 TEST
F24 HDATA[7]
F25 HDATA[5]
G1 AT2DIOR
G2 AT2IORDY
G3 AT2DMACK
G4 AT2INTRQ
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I/O
O Output of address 18
O Output of address 14
O Output of address 9
— Fixed at "L"
— Fixed at "H"
O Output of UART(CSIO)/GPIO
O Output of UART(CSIO)/GPIO
O Fixed at "H"
O Fixed at "H"
I Input of 27MHz system clock
O Output of UART(CSIO)/GPIO
— Input/output of data 13
— Input/output of data 10
O Output of chip select signal for HDD driver
O Output of reset signal
I/O Input/output of data 7 for DVD
I/O Input/output of data 8 for DVD
— Power supply input (Digital 1.0V)
Digital GND
— Power supply input (Digital 1.0V)
— Power supply input (Digital 3.3V)
Digital GND
— Power supply input (Digital 1.0V)
Digital GND
— Power supply input (Digital 3.3V)
— Power supply input (Digital 1.0V)
Digital GND
— Power supply input (Digital 1.0V)
Digital GND
— Power supply input (Digital 3.3V)
— Power supply input (Digital 1.0V)
Digital GND
— Power supply input (Digital 1.0V)
— Power supply input (Digital 3.3V)
I/O Input/output of data 4
I/O Input/output of data 14
I/O Input/output of data 12
I/O Input/output of data 9
I/O Input/output of data 8
O Output of device address 1 for HDD driver
O Output of device address 0 for HDD driver
O Output of device address 2 for HDD driver
O Output of chip select signal for HDD driver
Digital GND
— Power supply input (Digital 1.0V)
I/O Input/output of data 11
— Fixed at GND
I/O Input/output of data 7
I/O Input/output of data 5
O Output of I/O read signal
I Input of I/O ready signal
O Output of ACK signal from DMA
I Input of IRQ signal
5-8
Function