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H8S/2225 数据表(PDF) 626 Page - Renesas Technology Corp |
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H8S/2225 数据表(HTML) 626 Page - Renesas Technology Corp |
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626 / 1071 page ![]() Section 14 IEBus™ Controller (IEB) [H8S/2258 Group] Rev. 5.00 Aug 08, 2006 page 540 of 982 REJ09B0054-0500 14.5 Interrupt Sources Figures 14.13 and 14.14 show the transmit and receive interrupt sources, respectively. DTC IETxI (TxRDY interrupt) Note: * The TxE flag is set at the timing when an error source of IETEF occurs. The TxE flag can be cleared even when the error source flag in IETEF is set to 1 because the TxE flag is not logically ORed with flags in IETEF. IETSR IETSI (Transmit status interrupt) TxRDY IRA IRAE TxSE IETEF AL UE TTME RO ACK TxFE TxEE TxS TxF (*) TxE TxRDYE IEIET CPU Figure 14.13 Relationships among Transfer Interrupt Sources DTC IERSR IERSI (Transmit status interrupt) IERxI (RxRDY interrupt) RxRDY RxSE IEREF OVE RTME DLE PE RxFE RxEE RxS RxF (*) RxE RxRDYE IEIER CPU Note: * The RxE flag is set at the timing when an error source of IEREF occurs. The RxE flag can be cleared even when the error source flag in IEREF is set to 1 because the RxE flag is not logically ORed with flags in IEREF. Figure 14.14 Relationships among Receive Interrupt Sources |
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