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AD9920ABBCZ データシート(PDF) 98 Page - Analog Devices |
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AD9920ABBCZ データシート(HTML) 98 Page - Analog Devices |
98 / 112 page AD9920A Rev. B | Page 98 of 112 Table 54. VD/HD Registers Address Data Bits Default Value Default Update Type Name Description 0x20 [0] 0 SCK MASTER VD/HD master or slave mode. 0 = slave mode, 1 = master mode. 0x21 [0] 0 VD VDHDPOL VD/HD active polarity. 0 = low, 1 = high. 0x22 [12:0] 0 VD HDRISE Rising edge location for HD. Minimum value is 36 pixels. [25:13] 0 VDRISE Rising edge location for VD. Table 55. I/O Registers Address Data Bits Default Value Default Update Type Name Description 0x23 [0] 0 SCK OSC_NVR Oscillator normal voltage range. Set to match CLIVDD supply voltage. 0 = 1.8 V. 1 = 3.3 V. [1] 0 XV_NVR XV output normal voltage range. Set to match VDVDD supply voltage. 0 = 1.8 V. 1 = 3.3 V. [2] 0 IO_NVR I/O normal voltage range. Set to match IOVDD supply voltage. 0 = 1.8 V. 1 = 3.3 V. [3] 0 DATA_NVR Data pin normal voltage range. Set to match DRVDD supply voltage. 0 = 1.8 V I/O. 1 = 3.3 V I/O. [4] 0 Test Test use only. Set to 0. [5] 0 Test Test use only. Set to 0. [6] 0 Test Test use only. Set to 0. 0x24 [4:0] 0x01 SCK HCLKMODE Selects HCLK output configuration. Should be written to desired value. Note that all other settings are invalid. 0x01 = Mode 1. 0x02 = Mode 2. 0x04 = Mode 3. 0x10 = 3-phase HCLK mode. [5] 0 Test Test use only. Set to 0. 0x25 [24:0] 0 SCK VT_STBY12 Bits[23:0]: Standby1 and Standby2 polarity for XV[23:0]. Bit 24: Standby1 and Standby2 polarity for XSUBCK. Settings also apply when OUT_CONTROL = low. 0x26 [24:0] 0 SCK VT_STBY3 Bits[23:0]: Standby3 polarity for XV[23:0]. Bit 24: Standby3 polarity for XSUBCK. 0x27 [7:0] 0 SCK GP_STDBY12 Standby1 and Standby2 polarity for GPO outputs. Settings also apply when OUT_CONTROL = low. [15:8] 0 GP_STDBY3 Standby3 polarity for GPO outputs. Table 56. Memory Configuration and Mode Registers Address Data Bits Default Value Update Type Name Description 0x28 [4:0] 0 SCK VPATNUM Total number of V-pattern groups. [9:5] 0 SEQNUM Total number of V-sequences. 0x29 [27] 0 SCK UNUSED Do not access, or set to 0. 0x2A [2:0] 0 SCK Mode Total number of fields in the mode register. 0x2B [4:0] 0 SCK FIELD1 Selected first field in the mode register. [9:5] 0 FIELD2 Selected second field in the mode register. [14:10] 0 FIELD3 Selected third field in the mode register. [19:15] 0 FIELD4 Selected fourth field in the mode register. [24:20] 0 FIELD5 Selected fifth field in the mode register. |
同様の部品番号 - AD9920ABBCZ |
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同様の説明 - AD9920ABBCZ |
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