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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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H8/3028F 数据表(PDF) 487 Page - Renesas Technology Corp |
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H8/3028F 数据表(HTML) 487 Page - Renesas Technology Corp |
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487 / 923 page  Rev. 2.00, 09/03, page 457 of 890 For serial communication interface (SMIF bit in SCMR cleared to 0): Selects whether the SCI operates in asynchronous or synchronous mode. Bit 7 C/ A AA A Description 0 Asynchronous mode (Initial value) 1 Synchronous mode For smart card interface (SMIF bit in SCMR set to 1): Selects GSM mode for the smart card interface. Bit 7 GM Description 0 The TEND flag is set 12.5 etu after the start bit (Initial value) 1 The TEND flag is set 11.0 etu after the start bit Note: etu (Elementary time unit: the time for transfer of one bit) Bit 6—Character Length (CHR): Selects 7-bit or 8-bits data length in asynchronous mode. In synchronous mode, the data length is 8 bits regardless of the CHR setting, Bit 6 CHR Description 0 8-bit data (Initial value) 1 7-bit data* Note: * When 7-bit data is selected, the MSB (bit 7) of TDR is not transmitted. Bit 5—Parity Enable (PE): In asynchronous mode, this bit enables or disables the addition of a parity bit to transmit data, and the checking of the parity bit in receive data. In synchronous mode, the parity bit is neither added nor checked, regardless of the PE bit setting. Bit 5 PE Description 0 Parity bit not added or checked (Initial value) 1 Parity bit added and checked* Note: * When PE bit is set to 1, an even or odd parity bit is added to transmit data according to the even or odd parity mode selection by the O/ E bit, and the parity bit in receive data is checked to see that it matches the even or odd mode selected by the O/ E bit. |
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