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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TMD3721 датащи(PDF) 35 Page - ams AG |
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TMD3721 датащи(HTML) 35 Page - ams AG |
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35 / 89 page  Page 34 Datasheet, Public Document Feedback [v3-00] 2023-May-26 TMD3721 − Register O ver view PCFG1 Register (Address 0x8F) Figure 41: PCFG1 Register The PPULSE field sets the maximum number of IR VCSEL pulses that may occur in a proximity cycle. The proximity engine will automatically continue to add IR VCSEL pulses, up to the value set in PPULSE or if a near-saturation condition occurs if Automatic Pulse Control (APC) is enabled. The dynamic range of the sensor is automatically adjusted to detect distant targets as well as prevent saturation from close targets. This operation also reduces power consumption because proximity integration period is automatically shortened when a target is close to the sensor. If Automatic Pulse Control (APC) is disabled by setting bit 6 in CFG6 to 1, then PPULSE always determines the number of proximity pulses to be transmitted. Addr: 0x8F PCFG1 Bit Bit Name Default Access Bit Description 7:6 PPULSE_LENH 00 RW These bits are the 2 most significant bits of the 10-bit Pulse Length control setting. The lower 8 bits are in the PCFG2 register. See the PCFG2 register for details. 5:0 PPULSE 000000 RW Maximum number of pulses in a single proximity cycle. Value Maximum Number of Pulses 0 (000000) 1 1 (000001) 2 2 (000010) 3 ... ... 63 (111111) 64 |
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