Pioneer VSX-816-S Service Manual - Page 125

5 6 7 No. Pin Name I/O Pin Function 51 USB_DP/GPIO_B26 I/O USB function D+ signal / GPIO_B[26] 52 USB_DN/GPIO_B27 I/O USB function D- signal / GPIO_B[27] 53 USBH_DP/GPIO_B28 I/O USB host D+ signal / GPIO_B[28] 54 USBH_DN/GPIO_B29 55 VSSI 56 SD_CKE/GPIO_B0 I/O USB host D- signal / GPIO_B[29] − Digital ground for internal I/O SDRAM clock enable signal, active high / GPIO_B[0] 57 ND_nWE/GPIO_B7 I/O NAND flash WE, active low / GPIO_B[7] 58 nWE I/O Static memory write enable signal, active low 59 nOE I/O Static memory output enable signal, active low 60 UT_TX/GPIO_B8 I/O UART or IrDA TX data / GPIO_B[8] 61 UT_RX/IDE_nCS1/GPIO_B9 I/O UART or IrDA RX data / IDE chip select 1 / GPIO_B[9] 62 BCLK/GPIO_B21 I/O I2S bit clock / GPIO_B[21] 63 LRCK/GPIO_B22 64 VDD_USB 65 VSSIO I/O I2S word clock / GPIO_B[22] − Power supply for USB I/O (3.3 V) − Digital ground for I/O 66 MCLK/GPIO_B23 I/O I2S system clock / GPIO_B[23] 67 DAO/GPIO_B24 68 DAI/GPIO_B25 I/O I2S digital audio data output / GPIO_B[24] I/O I2S digital audio data input / GPIO_B[25] 69 XTIN I Sub crystal oscillator input (32.768 kHz) 70 XTOUT 71 VDD_OSC O Sub crystal oscillator output (32.768 kHz) − Digital power supply for oscillators (1.8 V) 72 nRESET I System reset, active low 73 READY I Ready information from external device 74 XIN I Main crystal oscillator input for PLL (12 MHz) 75 XOUT 76 VDDIO 77 VDDA_PLL 78 XFILT 79 VSSA_PLL 80 VBBA_PLL 81 VDDA_ADC O Main crystal oscillator output for PLL (12 MHz) − Digital power supply for I/O (1.8 V to 3.3 V) − Analog and digital power supply for PLL (1.8 V) AO PLL filter output − Analog ground for PLL − Analog ground for PLL − Analog power supply for ADC (3.3 V) 82 ADIN0 AI General purpose multi-channel ADC input 0 83 ADIN2 84 ADIN4 AI General purpose multi-channel ADC input 2 AI General purpose multi-channel ADC input 4 85 VSSA_ADC 86 VBBA_ADC − Analog ground for ADC − Analog ground for ADC 87 VDDI_ADC − Digital power supply for ADC (1.8 V) 88 VSSI_ADC 89 PKG1 − Digital ground for ADC I Package ID 1, pull-up for normal operation 90 GPIO_D15 I/O GPIO_D[15] 91 GPIO_D16 I/O GPIO_D[16] 92 GPIO_D17 I/O GPIO_D[17] 93 GPIO_D18 94 GPIO_D19 95 GPIO_D20 I/O GPIO_D[18] I/O GPIO_D[19] I/O GPIO_D[20] 96 GPIO_D21 97 VSSIO I/O GPIO_D[21] − Digital ground for I/O 98 MODE1 I Mode select input 1, Pull-down for normal operation. 99 TDI I JTAG serial data input for ARM940T 100 TMS I JTAG test mode select for ARM940T VSX-816-K 5 6 7 8 A B C D E F 125 8