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NWZ-A826/A826K/A828/A828K/A829
41
Pin No. Pin Name I/O Description
AD4 XHOLD_KEY I HOLD switch input terminal
AD5 KEY_WAKE I Wake up signal input terminal
AD6 NC - Not used
AD7 SPI0_CSZ2 O Chip select signal output to the A/D, D/A converter
AD8 VDD_L1 I Power supply input terminal (+1.2V)
AD9 IO_C - Not used
AD10 to
AD13
NC - Not used
AD14 AVDD_LPLL I Power supply input terminal (+1.2V)
AD15 AVDD_HPLL I Power supply input terminal (+1.2V)
AD16 NC - Not used
AD17 BKBAT I Rechargeable battery voltage detection signal input terminal
AD18 IO_A - Not used
AD19 NC - Not used
AD20 USB_PWRCTL - Not used
AD21 GND2 - Ground terminal
AD22 PM0_SI I Serial audio data input from the A/D, D/A converter
AD23 LCD_PWM1 O PWM signal output to the LED control
AD24 MICR_DET I Microphone detection signal input terminal Not used
AD25 GND3 - Ground terminal
AD26 NC - Not used
AE1, AE2 NC - Not used
AE3 DD2VFBK I Power supply voltage feedback terminal
AE4 DD2VFBSW O Power supply output terminal (+1.8V)
AE5 DD2GNDA - Ground terminal
AE6 DD2INA I Power supply input terminal (+2.9 - 4.2V)
AE7 VDD_L0 I Power supply input terminal (+1.2V)
AE8 VDD_L1 I Power supply input terminal (+1.2V)
AE9 IO_C - Not used
AE10,
AE11
NC - Not used
AE12 DD1INA I Power supply input terminal (+2.9 - 4.2V)
AE13 IO_B - Not used
AE14 AVDD_LPLL I Power supply input terminal (+1.2V)
AE15 AVDD_HPLL I Power supply input terminal (+1.2V)
AE16 GND - Ground terminal
AE17 DD1VFBK I Power supply voltage feedback terminal
AE18 VDD_DSP I Power supply input terminal (+1.2V)
AE19 IO_A - Not used
AE20 VGP12IN I Power supply input terminal (+2.9 - 4.2V)
AE21 VGP3IN I Power supply input terminal (+2.9 - 4.2V)
AE22 VGP4 O Reference voltage output terminal
AE23 VGP5 O Power supply output terminal
AE24 VGP45IN I Power supply input terminal (+2.9 - 4.2V)
AE25,
AE26
NC - Not used
AF1 to AF3 NC - Not used
AF4 DD2VFB2 I Power supply voltage feedback terminal
AF5, AF6 DD2INB1, DD2INB2 I Power supply input terminal (+2.9 - 4.2V)
AF7 to AF9
DD2LX3, DD2LX1,
DD2LX2
O Power supply output terminal (+1.8V)
AF10,
AF11
DD2GNDB1,
DD2GNDB2
- Ground terminal
AF12,
AF13
DD1GNDB1,
DD1GNDB2
- Ground terminal
AF14,
AF15
DD1LX1, DD1LX2 O Power supply output terminal (+1.2V)