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1、D supports TMDS logic level. 48 TXC+ HDMI Output Differential Clock Output. Differential clock output at the TMDS clock rate; supports TMDS logic level. RadioFans.CN 104 ADV7623 Hardware Manual Rev. 0 March 2010 19 Confidential NDA required Location Mnemonic Type Description 49 TXGND Ground TXAVDD G
2、round 50 TX0- HDMI Output Differential Output Channel 0 Complement. Differential output of the red data at 10 the pixel clock rate; supports TMDS logic level. 51 TX0+ HDMI Output Differential Output Channel 0 True. Differential output of the red data at 10 the pixel clock rate; supports TMDS logic l
3、evel. 52 TXGND Ground TXAVDD Ground 53 TX1- HDMI Output Differential Output Channel 1 Complement. Differential output of the red data at 10 the pixel clock rate; supports TMDS logic level. 54 TX1+ HDMI Output Differential Output Channel 1 True. Differential output of the red data at 10 the pixel clo
4、ck rate; supports TMDS logic level. 55 TXAVDD Power 1.8V power supply for TMDS outputs 56 TX2- HDMI Output Differential Output Channel 2 Complement. Differential output of the red data at 10 the pixel clock rate; supports TMDS logic level. 57 TX2+ HDMI Output Differential Output Channel 2 True. Diff
5、erential output of the red data at 10 the pixel clock rate; supports TMDS logic level. 58 TXGND Ground TXAVDD Ground 59 CEC Digital I/O Consumer electronic control channel. 60 DGND Ground Ground for DVDD 61 DVDD Power Digital supply voltage (1.8 V) 62 ALSB Digital Input This pin is used to set I2C a
6、ddress of the Rx IO and the Tx Main Map. 63 CSB Digital Input Chip Select pin. This pin must be set low or left floating for the chip to process I2C messages that are destined to the ADV7623. The ADV7623 ignores I2C messages which he receives if this pin is high. 64 EP_SCK Digital Output SPI clock i
7、nterface for the EDID/OSD 65 EP_CS Digital Output SPI chip selected interface for the EDID/OSD 66 EP_MOSI Digital Output SPI master out/slave in for the EDID/OSD 67 EP_MISO Digital Input SPI master in/slave out for the EDID/OSD RadioFans.CN 105 ADV7623 Hardware Manual Rev. 0 March 2010 20 Confidenti
8、al NDA required Location Mnemonic Type Description 68 MCLK_IN Digital Input Audio Reference Clock. 128 N fs with N = 1, 2, 3, or 4. Set to 128 sampling frequency (fs), 256 fs, 384 fs, or 512 fs. Supports 1.8 V to 3.3 V CMOS logic levels. 69 SCLK_IN Digital Input I2S Audio Clock. Supports CMOS logic
9、levels from 1.8 V to 3.3 V. 70 AP5_IN Digital Input Audio Input Port 5. CMOS logic levels from 1.8 V to 3.3 V. 71 AP4_IN Digital Input Audio Input Port 4. CMOS logic levels from 1.8 V to 3.3 V. 72 DGNDIO Ground Ground for DVDDIO 73 DVDDIO Power Digital I/O supply voltage (3.3 V) 74 AP3_IN Digital In
10、put Audio Input Port 3. CMOS logic levels from 1.8 V to 3.3 V. 75 AP2_IN Digital Input Audio Input Port 2. CMOS logic levels from 1.8 V to 3.3 V. 76 AP1_IN Digital Input Audio Input Port 1. CMOS logic levels from 1.8 V to 3.3 V. 77 AP0_IN Digital Input Audio Input Port 0. CMOS logic levels from 1.8
11、V to 3.3 V. 78 SDATA Digital I/O I2C port serial data input/output pin. SDA is the data line for the control port. 79 SCL Digital Input I2C port serial clock input. SCL is the clock line for the control port. 80 DGND Ground Ground for DVDD 81 DVDD Power Digital supply voltage (1.8 V) 82 INT1 (AMUTE1
12、) Digital Output Interrupt pin, can be active low or active high. When status bits change, this pin is triggered. The events that trigger an interrupt are under user control. This pin can also output an audio mute signal 83 INT2 (AMUTE2) Digital Output Interrupt pin, can be active low or active high
13、. When status bits change, this pin is triggered. The events that trigger an interrupt are under user control. This pin can also output an audio mute signal. I2C LSB selection. 84 INT_TX Digital Output Interrupt. Open drain. A 2 k pull-up resistor to the microcontroller I/O supply is recommended. 85
14、 DGNDIO Ground Ground for DVDDIO 86 DVDDIO Power Digital I/O supply voltage (3.3 V) RadioFans.CN 106 ADV7623 Hardware Manual Rev. 0 March 2010 21 Confidential NDA required Location Mnemonic Type Description 87 AP0_OUT Digital Output Audio output port 0. 88 AP1_OUT Digital Output Audio output port 1.
15、 89 AP2_OUT Digital Output Audio output port 2. 90 AP3_OUT Digital Output Audio output port 3. 91 AP4_OUT Digital Output Audio output port 4. 92 DGND Ground Ground for DVDD 93 DVDD Power Digital supply voltage (1.8 V) 94 AP5_OUT Digital Output Audio output port 5. 95 SCLK_OUT Digital Output Audio se
16、rial clock output. 96 MCLK_OUT Digital Output Audio master clock output. 97 RESETB Digital Input System reset input. Active low. A minimum low reset pulse width of 5 ms is required to reset the ADV7623 circuitry. 98 PWRDNB Digital Input Active low power-down pin. This pin should be used as a system
17、power detect when the internal EDID is powered from the 5V signal from the HDMI port when connected to active equipment. Pin pulled down internally. 99 PGND Ground Ground for PVDD 100 PVDD Power PLL supply voltage 101 XTAL Miscellaneous Analog Input pin for 28.63636 MHz crystal or an external 1.8 V
18、28.63636 MHz clock oscillator source to clock the ADV7623. The following crystal frequencies are also supported: 24.576 MHz and 27 MHz. 102 XTAL1 Miscellaneous Analog Crystal output pin. This pin should be left floating if a clock oscillator is used. 103 PVDD Power PLL supply voltage 104 PGND Ground
19、 PVDD Ground 105 HP_CTRLA Digital Output Hot Plug Detect for port A. 106 5V_DETA Digital Input 5 V detect pin for port A in the HDMI interface. 107 RTERM Miscellaneous Analog Sets internal termination resistance. A 500 resistor between this pin and GND should be used. 108 DDCA_SDA Digital I/O HDCP s
20、lave serial data port A. DDCD_SDA is a 3.3 V input/output that is 5 V tolerant. 109 DDCA_SCL Digital Input HDCP slave serial clock port A. DDCD_SCL is a 3.3 V input that is 5 V tolerant. 110 CVDD Power Receiver comparator supply voltage (1.8V) RadioFans.CN 107 ADV7623 Hardware Manual Rev. 0 March 20
21、10 22 Confidential NDA required Location Mnemonic Type Description 111 CGND Ground TVDD and CVDD Ground 112 RXA_C- HDMI Input Digital input clock Complement of port A in the HDMI interface. 113 RXA_C+ HDMI Input Digital input clock True of port A in the HDMI interface. 114 TVDD Power Receiver termin
22、ator supply voltage (3.3 V) 115 RXA_0- HDMI Input Digital input channel 0 complement of port A in the HDMI interface. 116 RXA_0+ HDMI Input Digital input channel 0 true of port A in the HDMI interface. 117 CGND Ground TVDD and CVDD Ground 118 RXA_1- HDMI Input Digital input channel 1 complement of p
23、ort A in the HDMI interface. 119 RXA_1+ HDMI Input Digital input channel 1 true of port A in the HDMI interface. 120 TVDD Power Receiver terminator supply voltage (3.3 V) 121 RXA_2- HDMI Input Digital input channel 2 complement of port A in the HDMI interface. 122 RXA_2+ HDMI Input Digital input cha
24、nnel 2 true of port A in the HDMI interface. 123 HP_CTRLB Digital Output Hot Plug Detect for port B. 124 5V_DETB Digital Input 5 V detect pin for port B in the HDMI interface. 125 DGND Ground Ground for DVDD 126 DVDD Power Digital supply voltage (1.8 V) 127 DDCB_SDA Digital I/O HDCP slave serial dat
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