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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AS5171 датащи(PDF) 30 Page - ams AG |
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AS5171 датащи(HTML) 30 Page - ams AG |
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30 / 42 page  Page 30 ams Datasheet Document Feedback [v1-01] 2016-Feb-17 AS5171 − Application Information Figure 35: OTP Memory Burn and Verification Flowchart Read Reg 0x00 To Reg 0x1D Calculate Signature Write Reg 0x1E Write Reg 0x0A To Reg 0x1E Verify 2 Write Reg(0x0062) = 0x70 Reg(0x0063) =0x51 Wait 10ms Write Reg0x1E= 0x00 Write Reg0x23= 0x40 Wait 5ms Verify 3 correct Write reg (0x0023) = 0x10 Start Read Reg 0x33[5]=MSB Reg 0x32[0]=LSB Write reg (0x0023) = 0x10 Write parameter into DLL and calculate the OTP values Read Reg 0x0A To Reg 0x1E Verify 1 Write Reg 0x0A to Write Reg 0x1E Reg 0x1F = 0x00 Read Reg 0x0A To Reg 0x1E Power on cycle Reset DSP Move to mechanical start position Move to mechanical end position Read Cordic Value 1 14 Bit value Read Reg 0x33[5]=MSB Reg 0x32[0]=LSB Reset DSP Read Cordic Value 2 14 Bit value Write Reg 0x0A to Write Reg 0x1E DLL Calculation for Gain; Offset; BP; Clamping AS5171 Settings Not correct Programming Pass2Function pass2function correct Programming Read Reg 0x0A To Reg 0x1E Not correct correct Guardbandtest fails. Wrong programming Reprogramming not allowed Not correct Write Reg0x1E= 0x00 Write Reg0x23= 0x00 Wait 5ms Reg 0x1E = 0x00 Read Reg 0x0A To Reg 0x1E correct correct Verify 5 Guardbandtest fails. Wrong programming Reprogramming not allowed Not correct Not correct END Correct: Device in functional mode Reset correct Read Registers Step 1 Comparison of written content (Reg 0x0A to Reg 0x1E) with content of Read Register Step 1 Programming or Pass2Function Write customer content + customer lock Bit Reading of full OTP content (customer area and ams area) Signature Byte calculation 8 Bit Signature Byte Writing again the full customer area content + signature byte (Content A) Read Registers Step 2 Comparison of written content (Content A) with content of Read Register Step 2 Reset Not correct Start OTP burning procedure Write 0x00 into signature byte Set Guardband 1 Read register Step 3 Read content of signature byte Comparison of written content (Content A) with content of Read Register Step 4 MANDATORY GUARDBAND-TEST Comparison of written content (Content A) with content of Read Register Step 3 Mandatory Guardband Test Write 0x00 into signature byte Set Guardband 2 Read register Step 4 Read content of signature byte Measurement Verification RESET |
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