Sony NWZA816P Service Manual - Page 35

NW-A805/A806/A808/NWZ-A815/A816/A818 Pin No. Pin Name I/O Description P23 LCD_PXCLK O Clock signal output to the level shift P24 NC - Not used P25, P26 IO_A - Not used R1 SDR_DATA0 I/O Serial data input/output with the 256Mbit SD-RAM R2 to R4 SDR_DQM3 to SDR_DQM1 O Write mask signal output to the 256Mbit SD-RAM R5 SDR_WEZ O Write enable signal output to the 256Mbit SD-RAM R8 SDR_DATA1 I/O Serial data input/output with the 256Mbit SD-RAM R9 GND - Ground terminal R10 NC - Not used R17 U70_CTSZ - Not used R18 U70_RTSZ - Not used R19 GND - Ground terminal R22, R23 LCD_R2, LCD_R4 O Video signal (R) output to the level shift R24 GNDSINK - Ground terminal R25 VDD_L0 - Power supply terminal R26 NC - Not used T1 SDR_CKE0 O Clock enable signal output to the 256Mbit SD-RAM T2 NC - Not used T3 SDR_CSZ0 O Chip select signal output to the 256Mbit SD-RAM T4 SDR_BA1 O Bank address signal output to the 256Mbit SD-RAM T5 SDR_RASZ O Row address strobe signal output to the 256Mbit SD-RAM T8 NC - Not used T9 GND - Ground terminal T10 NC - Not used T17 U70_SOUT O Serial data output to the WM-port T18 U70_SRIN I Serial data input from the WM-port T19 GND - Ground terminal T22 LCD_R5 O Video signal (R) output to the level shift T23 NC - Not used T24 C_TMS I MS signal input terminal for JTAG Not used T25 VLOG O Power supply output terminal T26 CKO O Main system clock output terminal (11.2896MHz) U1 to U5 SDR_A12 to SDR_A8 O Address signal output to the 256Mbit SD-RAM U8 SDR_CASZ O Column address strobe signal output to the 256Mbit SD-RAM U9 GND - Ground terminal U10 to U12 NC - Not used U13 WAKEUP O Wake up signal output terminal U14 NC - Not used U15 L1_DET - Not used U16 ERR_RST_REQZ - Not used U17 NC - Not used U18 REFCLKO O Master clock signal output to the D/A converter U19 NC - Not used U22 C_TDO O Data output terminal for JTAG Not used U23 VLOGIN I Power supply voltage input terminal 35