Sony NWZA816P Service Manual - Page 37

NW-A805/A806/A808/NWZ-A815/A816/A818 Pin No. Pin Name I/O Description AA25 VANAIN I Power supply voltage input terminal AA26 VANA O Power supply voltage output terminal AB1 VDD_L0 - Power supply terminal AB2 XUSB_OK I USB OK signal input from the charge control AB3 CRD_DET I Wake up signal input from the WM-port AB4 CHG_XFLT I Charge signal showing that the drive is in fault status is input AB5 SDR_BA0 O Bank address signal output to the 256Mbit SD-RAM AB6, AB7 NC - Not used AB8 USB_SUSPEND O USB suspend signal output to the charge control AB9 IO_C - Not used AB10 to AB12 NC - Not used AB13 USB_XRST O Reset signal output to the USB controller AB14 USB_INT2 I Interrupt request signal input from the USB controller AB15 to AB17 MS_DATA3, MS_DATA2, MS_DATA0 - Not used AB18 MS_INSZ - Not used AB19 AB20 WR_LEDCTL PM1_SEN - Not used I/O L/R sampling clock signal input/output terminal Not used AB21 PM1_CLK I Serial clock signal input terminal Not used AB22 PM0_SEN I/O L/R sampling clock signal input/output with the D/A converter AB23, AB24 GND - Ground terminal AB25 GND1 - Ground terminal AB26 OSCIN I Sub system clock input terminal (32.768kHz) AC1 to AC3 IO_A - Not used AC4 XCHG_DET I Charge detection signal input from the charge control AC5 USB_INT1 I Interrupt request signal input from the USB controller AC6 NC - Not used AC7 SPI0_SK O Serial data transfer clock signal output to the D/A converter AC8 SPI0_SO I/O I2C mode : Serial date input/output with the D/A converter SPI mode : Serial date output to the D/A converter AC9 IO_C - Not used AC10 to AC13 NC - Not used AC14 AVDD_LPLL - Power supply terminal AC15 AVDD_HPLL - Power supply terminal AC16 MS_DATA1 - Not used AC17 MS_BS - Not used AC18 MS_SCK0 - Not used AC19 NC - Not used AC20 AC21 ADA_XRST PM0_CLK O Reset signal output to the D/A converter I Serial clock signal input from the D/A converter AC22 PM0_SO O Serial audio date output to the D/A converter AC23 AC24 PWM0 VLOIN - Not used I Power supply voltage input terminal 37