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AD9923ABBCZ 数据表(PDF) 71 Page - Analog Devices |
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AD9923ABBCZ 数据表(HTML) 71 Page - Analog Devices |
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71 / 88 page ![]() AD9923A Rev. 0 | Page 71 of 88 Table 46. Miscellaneous Registers Address (Hex) Data Bits Default Value Update Type Name Description 10 [0] 0 SCK SW_RST Software reset. Bit resets to 0. 1: reset Register 0x00 to Register 0x91 to default values. 11 [0] 0 VD OUTCONTROL 0: make all outputs dc inactive. 1: enable outputs at next VD edge. 12 [0] 1 SCK SYNCENABLE 0: configure Ball G7 as an output signal, determined by Register 0x12, Bits[9:8]. 1: external synchronization enable (configure Ball G7 as SYNC input). [7:1] 0 TEST Test mode only. Must be set to 0. [9:8] 0 OUTPUTPBLK When SYNCENABLE = 0, selects which signal is output on the SYNC pin. 0: CLPOB. 1: PBLK. 2: GPO (from Register 0x1A). 3: TESTOUT (from shutter registers). 13 [0] 0 SCK SYNCPOL SYNC active polarity. 0: active low. 1: active high. 14 [0] 0 SCK SYNCSUSPEND Suspends clocks during SYNC active pulse. 0: don’t suspend. 1: suspend. 15 [0] 0 SCK TGCORE_RSTB Timing core reset bar. 0: reset TG core. 1: resume operation. 16 [0] 0 SCK OSC_RST CLO oscillator reset. 0: oscillator in power-down state. 1: resume oscillator operation. 17 [7:0] 0 SCK TEST1 Test mode only. Must be set to 0. [8] 0 TEST2 Test mode only. Must be set to 0. 18 [11:0] 0 VD UPDATE Serial update line. Sets the HD line within the field to update the VD updated registers. 19 [0] 0 SCK PREVENTUP Prevents the updating of the VD updated registers. 0: normal update. 1: prevent update of VD updated registers. 1A [0] 0 VD GPO General-purpose output (GPO) value when SYNCENABLE = 0 and OUTPUTPBLK = 2. 0: GPO is low at next VD edge. 1: GPO is high at next VD edge. Table 47. VD/HD Registers Address (Hex) Data Bits Default Value Update Type Name Description 20 [0] 0 SCK MASTER VD/HD master or slave mode. 0: slave mode. 1: master mode. 21 [0] 0 SCK VDHDPOL VD/HD active polarity. 0: low. 1: high. 22 [12:0] 0 VD HDRISE Rising edge location for HD. [24:13] 0 VDRISE Rising edge location for VD. |
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