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H8SX/1663 数据表(PDF) 897 Page - Renesas Technology Corp |
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H8SX/1663 数据表(HTML) 897 Page - Renesas Technology Corp |
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897 / 1158 page ![]() Section 17 I 2C Bus Interface 2 (IIC2) Rev.1.00 Jun. 07, 2006 Page 845 of 1102 REJ09B0294-0100 TDRE = 1? Yes Yes No No No [1] [4] [5] [6] [7] [8] [9] [2] [3] Yes TEND = 1? [1] Clear the AAS flag. [2] Set the transmit data for ICDRT (except the last byte). [3] Wait for ICDRT empty. [4] Set the last byte of transmit data. [5] Wait for the last byte of data to be transmitted. [6] Clear the TEND flag. [7] Set to slave receive mode. [8] Dummy read ICDRR to free the SCL line. [9] Clear the TDRE flag. Slave transmit mode Clear AAS in ICSR Write the transmit data to ICDRT Read TRD in ICSR Last byte? Write the transmit data to ICDRT Read TEND in ICSR Clear TEND in ICSR Set TRS = 0 (ICCRA) Dummy read ICDRR Clear TDRE in ICSR End Figure 17.16 Sample Flowchart for Slave Transmit Mode |
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