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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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H8S/2240 数据表(PDF) 475 Page - Renesas Technology Corp |
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H8S/2240 数据表(HTML) 475 Page - Renesas Technology Corp |
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475 / 818 page  Section 12 Serial Communication Interface (SCI) Rev.3.00 Mar. 26, 2007 Page 433 of 772 REJ09B0355-0300 Table 12.8 SMR Settings and Serial Transfer Format Selection SMR Settings SCI Transfer Format Bit 7 Bit 6 Bit 2 Bit 5 Bit 3 C/ A AA A CHR MP PE STOP Mode Data Length Multi- processor Bit Parity Bit Stop Bit Length 00000 8-bit data No No 1 bit 1 Asynchronous mode 2 bits 10 Yes 1 bit 12 bits 1 0 0 7-bit data No 1 bit 12 bits 10 Yes 1 bit 12 bits 01 — 0 8-bit data Yes No 1 bit — 12 bits 1 — 0 7-bit data 1 bit — 1 Asynchronous mode (multiprocessor format) 2 bits 1 ———— Clocked synchronous mode 8-bit data No None Table 12.9 SMR and SCR Settings and SCI Clock Source Selection SMR SCR Setting SCI Transmit/Receive clock Bit 7 Bit 1 Bit 0 C/ A AA A CKE1 CKE0 Mode Clock Source SCK Pin Function 0 0 0 Internal SCI does not use SCK pin 1 Asynchronous mode Outputs clock with same frequency as bit rate 10 External 1 Inputs clock with frequency of 16 times the bit rate 1 0 0 Internal Outputs the serial clock 1 10 Clocked synchronous mode External Inputs the serial clock 1 |
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