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UCS81003 数据表(PDF) 89 Page - Microchip Technology |
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UCS81003 数据表(HTML) 89 Page - Microchip Technology |
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89 / 108 page  2014 Microchip Technology Inc. DS20005334A-page 89 UCS81003 REGISTER 10-45: CUSTOM EMULATION STIMULUS 3 CONFIGURATION 2 REGISTER (ADDRESS 4AH) R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 CS_S3_R3MAG<3:0> CS_S3_R3<3:0> bit 7 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit -n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown bit 7-4 CS_S3_R3MAG<3:0>: Determines the magnitude of the response to the stimulus. The bit decode changes meaning based on which response was selected. Data written to any field that is identified as “Do not use” will not be accepted. The data will not be updated and the settings will remain set at the previous value. • For CS_S3_R3 settings 0000 - 0011, the response is a voltage applied on DPOUT/DMOUT pins. The CS_S3_R3MAG bits specify the voltage relative to ground: • For CS_S3_R3 settings 0100, 0111, 1101 - 1111, the response is a resistor connected on DPOUT/DMOUT to GND or VBUS. The CS_S3_R3MAG bits specify the resistor value: • For CS_S3_R3 settings 0110, 1001, 1100, the response is a voltage divider applied from VBUS to GND with “center” at DPOUT/DMOUT. The CS_S3_R3MAG bits specify the minimum resistance of the voltage divider (Sum of R1 + R2): 0000 = Pull Down 0110 =600 mV 1100 = 1800 mV 0001 = 400 mV 0111 =700 mV 1101 = 2000 mV 0010 = 400 mV 1000 =800 mV 1110 = 2200 mV 0011 = 400 mV 1001 =900 mV 1111 = Do not use 0100 = 400 mV 1010 =1400 mV 0101 = 500 mV 1011 =1600 mV 0000 =1.8 k 0110 =40 k 1100 = 100 k 0001 =10 k 0111 =43 k 1101 = 120 k 0010 =15 k 1000 =50 k 1110 = 150 k 0011 =20 k 1001 =60 k 1111 = Do not use 0100 =25 k 1010 =75 k 0101 =30 k 1011 =80 k 0000 =93 k 0110 =200 k 1100 = 200 k 0001 = 100 k 0111 =200 k 1101 = 200 k 0010 = 125 k 1000 =93 k 1110 = 200 k 0011 = 150 k 1001 =100 k 1111 = Do not use 0100 = 200 k 1010 =125 k 0101 = 200 k 1011 =150 k |
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