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数据搜索系统，热门电子元器件搜索 |
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MCP4432-103E/ML 数据表(PDF) 53 Page - Microchip Technology |
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MCP4432-103E/ML 数据表(HTML) 53 Page - Microchip Technology |
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53 / 94 page  2010 Microchip Technology Inc. DS22267A-page 53 MCP443X/5X FIGURE 6-11: General Call Formats. 0 00 0 S 0 000 X XXXX A XX0A P General Call Address Second Byte “7-bit Command” Reserved 7-bit Commands (by I2C Specification - NXP UM10204_3, Version 03 19, June 2007) ‘0000 011’b - Reset and write programmable part of slave address by hardware. ‘0000 010’b - Write programmable part of slave address by hardware. ‘0000 000’b - NOT Allowed MCP44XX 7-bit Commands ‘1000 01x’b - Increment Wiper 0 Register. ‘1001 01x’b - Increment Wiper 1 Register. The Following is a Microchip Extension to this General Call Format 0 00 0 S 0 000 X XXXX AX d 0 A General Call Address Second Byte “7-bit Command” MCP44XX 7-bit Commands ‘1000 00d’b - Write Next Byte (Third Byte) to Volatile Wiper 0 Register. ‘1001 00d’b - Write Next Byte (Third Byte) to Volatile Wiper 1 Register. d dddd ddd A P Third Byte The Following is a “Hardware General Call” Format 0 00 0 S0 0 0 0 X XXXX A XX1A General Call Address Second Byte “7-bit Command” X XXXX XXX AP n occurrences of (Data + A) This indicates a “Hardware General Call” MCP44XX will ignore this byte and all following bytes (and A), until ‘1000 10x’b - Decrement Wiper 0 Register. ‘1001 10x’b - Decrement Wiper 1 Register. ‘1100 00d’b - Write Next Byte (Third Byte) to TCON Register. a Stop bit (P) is encountered. ‘0’ for General Call Command |
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