Pioneer Elite VSX-80TXV-S, Service Manual

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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 I/O USB host D- signal / GPIO_B[29]
55 VSSI
−
Digital ground for internal
56 SD_CKE/GPIO_B0 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 I/O I2S word clock / GPIO_B[22]
64 VDD_USB
−
Power supply for USB I/O (3.3 V)
65 VSSIO
−
Digital ground for I/O
66 MCLK/GPIO_B23 I/O I2S system clock / GPIO_B[23]
67 DAO/GPIO_B24 I/O I2S digital audio data output / GPIO_B[24]
68 DAI/GPIO_B25 I/O I2S digital audio data input / GPIO_B[25]
69 XTIN I Sub crystal oscillator input (32.768 kHz)
70 XTOUT O Sub crystal oscillator output (32.768 kHz)
71 VDD_OSC
−
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 O Main crystal oscillator output for PLL (12 MHz)
76 VDDIO
−
Digital power supply for I/O (1.8 V to 3.3 V)
77 VDDA_PLL
−
Analog and digital power supply for PLL (1.8 V)
78 XFILT AO PLL filter output
79 VSSA_PLL
−
Analog ground for PLL
80 VBBA_PLL
−
Analog ground for PLL
81 VDDA_ADC
−
Analog power supply for ADC (3.3 V)
82 ADIN0 AI General purpose multi-channel ADC input 0
83 ADIN2 AI General purpose multi-channel ADC input 2
84 ADIN4 AI General purpose multi-channel ADC input 4
85 VSSA_ADC
−
Analog ground for ADC
86 VBBA_ADC
−
Analog ground for ADC
87 VDDI_ADC
−
Digital power supply for ADC (1.8 V)
88 VSSI_ADC
−
Digital ground for ADC
89 PKG1 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 I/O GPIO_D[18]
94 GPIO_D19 I/O GPIO_D[19]
95 GPIO_D20 I/O GPIO_D[20]
96 GPIO_D21 I/O GPIO_D[21]
97 VSSIO
−
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