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MCP8024 数据表(PDF) 28 Page - Microchip Technology |
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MCP8024 数据表(HTML) 28 Page - Microchip Technology |
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28 / 46 page ![]() MCP8024 DS20005228A-page 28 2013 Microchip Technology Inc. 3 0 1 Undervoltage Lockout Enabled (Default) Undervoltage Lockout Disabled 2 0 1 External MOSFET Overcurrent Detection Enabled (Default) External MOSFET Overcurrent Detection Disabled 1:0 00 01 10 11 0.250V External MOSFET Overcurrent Limit (Default) 0.500V External MOSFET Overcurrent Limit 0.750V External MOSFET Overcurrent Limit 1.000V External MOSFET Overcurrent Limit SET_CFG_1 1 00000011 (03H) 01000011 (43H) Set DAC Motor Current Limit Reference Voltage Not Acknowledged (Response) Set DAC Motor Current Limit Reference Voltage Acknowledged (Response) 2 7:0 00H - FFH Current DAC Current Reference value 13.77 mV / bit + 0.991V GET_CFG_1 1 00000100 (04H) 01000100 (44H) Get DAC Motor Current Limit Reference Voltage Not Acknowledged (Response) Get DAC Motor Current Limit Reference Voltage Acknowledged (Response) 2 7:0 00H - FFH Current DAC Current Reference value 13.77 mV / bit + 0.991V SET_CFG_2 1 00000111 (07H) 01000111 (47H) Set Configuration Register 2 Not Acknowledged (Response) Set Configuration Register 2 Acknowledged (Response) 2 7:4 00H Unused (Default) 3:2 --- 00 01 10 11 Driver Dead Time (For PWMH /PWML inputs) 2 µs (Default) 1 µs 500 ns 250 ns 1:0 --- 00 01 10 11 Driver Blanking Time (Ignore Switching Current Spikes) 4 µs (Default) 2 µs 1 µs 500 ns GET_CFG_2 1 00001000 (08H) 01001000 (48H) Get Configuration Register 2 Response Not Acknowledged (Response) Get Configuration Register 2 Response Acknowledged (Response) 2 7:4 00H Unused (Default) 3:2 --- 00 01 10 11 Driver Dead Time (For PWMH /PWML inputs) 2 µs (Default) 1 µs 500 ns 250 ns 1:0 --- 00 01 10 11 Driver Blanking Time (Ignore Switching Current Spikes) 4 µs (Default) 2 µs 1 µs 500 ns TABLE 4-3: DE2 COMMUNICATIONS MESSAGES FROM MCP8024 TO HOST (CONTINUED) MESSAGE BYTE BIT VALUE DESCRIPTION |
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