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MCP8024 数据表(PDF) 27 Page - Microchip Technology |
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MCP8024 数据表(HTML) 27 Page - Microchip Technology |
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27 / 46 page  2013 Microchip Technology Inc. DS20005228A-page 27 MCP8024 TABLE 4-3: DE2 COMMUNICATIONS MESSAGES FROM MCP8024 TO HOST MESSAGE BYTE BIT VALUE DESCRIPTION STATUS_0 17:0 00000101 (05H) 01000101 (45H) 10000101 (85H) Status Register 0 Response Not Acknowledged (Response) Status Register 0 Response Acknowledged (Response) Status Register 0 Command To Host (Unsolicited) 27:0 00000000 Normal Operation 00000001 Temperature Warning (TJ > 125°C (Default Warning Level)) 00000010 Over Temperature (TJ > 160°C) 00000100 Input Undervoltage (VDD < 5.5V) 00001000 Reserved 00010000 Input Overvoltage (VDD > 32V) 00100000 Buck Regulator Overcurrent 01000000 Buck Regulator Output Undervoltage Warning 10000000 Buck Regulator Output Undervoltage (< 80%,brown-out error) STATUS_1 17:0 00000110 (06H) 01000110 (46H) 10000110 (86H) STATUS Register 1 Response Not Acknowledged (Response) STATUS Register 1 Response Acknowledged (Response) STATUS Register 1 Command To Host (Unsolicited) 27:0 00000000 Normal Operation 00000001 5V LDO Overcurrent 00000010 12V LDO Overcurrent 00000100 External MOSFET Undervoltage Lock Out (UVLO) 00001000 External MOSFET Overcurrent Detection 00010000 Brown-out Reset – Config Lost (Start-up default = 1) 00100000 Not Used 01000000 Not Used 10000000 Not Used SET_CFG_0 17:0 00000001 (01H) 01000001 (41H) Set Configuration Register 0 Not Acknowledged (Response) Set Configuration Register 0 Acknowledged (Response) 27 0 Unused (Start-up Default) 6 0 1 Disable Disconnection of 30K Level Translator Pullup when CE = 0 (Default) Enable Disconnection of 30K Level Translator Pullup when CE = 0 5 0 Unused 4 0 Reserved 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 GET_CFG_0 17:0 00000010 (02H) 01000010 (42H) Get Configuration Register 0 Response Not Acknowledged (Response) Get Configuration Register 0 Response Acknowledged (Response) 27 0 Unused (Start-up Default) 6 0 1 Disable Disconnection of 30K Level Translator Pullup when CE = 0 (Default) Enable Disconnection of 30K Level Translator Pullup when CE = 0 5 0 Unused 4 0 Reserved |
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