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AMC7832IPAPR.B 数据表(PDF) 45 Page - Texas Instruments |
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AMC7832IPAPR.B 数据表(HTML) 45 Page - Texas Instruments |
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45 / 74 page ![]() AMC7832 www.ti.com SLAS836 – MARCH 2014 8.5.4 General Device Configuration: Address 0x10 – 0x17 Table 16. Register name: ADC Configuration – Address: 0x10, Default: 0x00 (READ/WRITE) REGISTER DEFAULT ADDRESS BIT NAME DESCRIPTION NAME VALUE ADC Config 0x10 7 CMODE ADC Conversion Mode Bit. This bit selects the ADC conversion 0 mode. 0: Direct mode. The analog inputs specified in the ADC channel registers are converted sequentially one time. When one set of conversions is complete, the ADC is idle and waits for a new trigger. 1: Auto mode. The analog inputs specified in the AMC channel registers are converted sequentially and repeatedly. When one set of conversions is complete, the ADC multiplexer returns to the first channel and repeats the process. In this mode data should be read synchronously with the DAV terminal. 6:5 CONV-RATE[1:0] ADC Conversion rate bits 00 4 ADC-REF-BUFF ADC Reference Buffer bit. This bit must be set to 1 after device 0 power-up to enable the internal reference buffer driving the ADC. 0: ADC reference buffer is disabled. 1: ADC reference buffer is enabled. 3:0 Reserved Reserved for factory use 0000 Table 17. Register name: False Alarm Configuration – Address: 0x11, Default: 0x70 (READ/WRITE) REGISTER DEFAULT ADDRESS BIT NAME DESCRIPTION NAME VALUE False Alarm 0x10 7:5 CH-FALR-CT[2:0] False alarm protection for ADC channels. 011 Config CH-FALR-CT N CONSECUTIVE SAMPLES BEFORE ALARM IS SET 000 1 001 4 010 8 011 16 (default) 100 32 101 64 110 128 111 256 4:3 TEMP-FALR- False alarm protection for temperature sensor. 10 CT[1:0] TEMP-FALR-CT N CONSECUTIVE SAMPLES BEFORE ALARM IS SET 00 1 01 2 10 4 (default) 11 8 2:0 Reserved Reserved for factory use 000 Copyright © 2014, Texas Instruments Incorporated Submit Documentation Feedback 45 Product Folder Links: AMC7832 |
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