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TMD3721 Fiches technique(PDF) 56 Page - OSRAM GmbH |
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TMD3721 Fiches technique(HTML) 56 Page - OSRAM GmbH |
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56 / 89 page ![]() Datasheet, Public Page 55 [v3-00] 2023-May-26 Document Feedback TMD3721 − Register Overview The BINSRCH_TARGET field is used by the calibration feature to set the baseline value for PDATA when no target is present. For example, calibration of a device in open air, with no target, and BINSRCH_TARGET setting of 2 causes the PDATA value will be approximately 15 counts. This feature is useful because it forces PDATA result to always be above zero. The PROX_DATA_AVG field sets the number of ADC samples that are averaged. Each ADC sample causes the programmed number of proximity pulses to be transmitted. Once all samples have been completed and the average is calculated, the proximity state machine will then pass this value either directly to PDATA. 2:0 PROX_DATA_ AVG 0 (000) RW PROX_DATA_AVG defines the number of ADC samples collected and hardware averaged during a proximity cycle. Value Sample Size 0 (000) Disable 1 (001) 2 2 (010) 4 3 (011) 8 4 (100) 16 All other values Reserved Addr: 0xD9 CALIBCFG Bit Bit Name Default Access Bit Description |
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