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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/2218 数据表(PDF) 492 Page - Renesas Technology Corp |
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H8S/2218 数据表(HTML) 492 Page - Renesas Technology Corp |
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492 / 750 page  Section 12 Serial Communication Interface Rev.6.00 Jun. 03, 2008 Page 444 of 698 REJ09B0074-0600 Read TEND flag in SSR TE= 0 Transition to software standby mode, etc. Exit from software standby mode, etc. Change operating mode? No All data transmitted? TEND = 1 Yes Yes Yes <Transmission> No No [1] [3] [2] TE = 1 Initialization <Start of transmission> Data being transmitted is interrupted. After exiting software standby mode, etc., normal CPU transmission is possible by setting TE to 1, reading SSR, writing TDR, and clearing TDRE to 0. If TIE and TEIE are set to 1, clear them to 0 in the same way. Includes module stop mode, watch mode, subactive mode, and subsleep mode. [1] [2] [3] Figure 12.39 Sample Flowchart for Mode Transition during Transmission SCK output pin TE bit TxD output pin Port input/output High output Port input/output High output Start Stop Start of transmission End of transmission Port input/output SCI TxD output Port SCI TxD output Port Transition to software standby Exit from software standby Figure 12.40 Port Pin State of Asynchronous Transmission Using Internal Clock |
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