Sony NWZA816P Service Manual - Page 33

NW-A805/A806/A808/NWZ-A815/A816/A818 Pin No. Pin Name I/O Description E19 FLASHCLK O Flash clock output to the D flip-flop E20 AB0_A7 O Address signal output to the USB controller E21 to E23 NC - Not used E24 AB0_XDRQ I DMA request signal input from the USB controller E25 AB0_D4 I/O Serial date input/output with the USB controller E26 NC - Not used F1 DGND - Ground terminal F2 CHGVBUS - Not used F3, F4 NC - Not used F5 IO_B - Not used F22 AB0_CSZ2 O Chip select signal output to the USB controller F23 AB0_XACK O DMA acknowledge signal output to the USB controller F24, F25 AB0_D3, AB0_D5 I/O Serial date input/output with the USB controller F26 NC - Not used G1 DVDD - Power supply terminal G2, G3 NC - Not used G4 EXTRST I Reset signal input from the reset switch G5 NC - Not used G22 ETHER_XINT - Not used G23 to G25 AB0_D15 to AB0_D13 I/O Serial date input/output with the USB controller G26 NC - Not used H1 USBSUSPD - Not used H2 NC - Not used SDR_DATA25, H3 to H5 SDR_DATA27, SDR_DATA31 I/O Serial data input/output with the 256Mbit SD-RAM H8 NAND_RBZ1 O Read/busy signal outoput to the NAND flash memory H9 to H15 NC - Not used H16 AB0_WRZ O Write strobe signal output to the USB controller H17 NC - Not used H18, H19 AB0_A1, AB0_A2 O Address signal output to the USB controller H22 to H25 AB0_D8, AB0_D9, AB0_D7, AB0_D6 I/O Serial date input/output with the USB controller H26 J1 to J3 NC IO_A - Not used - Not used J4, J5 SDR_DATA29, SDR_DATA30 I/O Serial data input/output with the 256Mbit SD-RAM J8 NAND_RBZ2 O Read/busy signal outoput to the NAND flash memory J9, J10 NC - Not used J11 to J17 J18 GND NC - Ground terminal - Not used J19 AB0_RDZ O Read strobe signal output to the USB controller J22 to J24 AB0_D10 to AB0_D12 I/O Serial date input/output with the USB controller J25 CHGGND1 - Ground terminal J26 NC - Not used K1 to K3 VDD_L1 - Power supply terminal 33