| 전자부품 데이터시트 검색엔진 |
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HC705E5GRS/D 데이터시트(PDF) 87 Page - NXP Semiconductors |
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HC705E5GRS/D 데이터시트(HTML) 87 Page - NXP Semiconductors |
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87 / 148 page ![]() Motorola Bus (M Bus) Interface M-Bus Registers MC68HC705E5 — Rev. 1.0 General Release Specification Motorola Bus (M Bus) Interface Figure 11-9. Flowchart of M-Bus Interrupt Routine CLEAR MIF MASTER TX/RX LAST BYTE TO BE READ LAST BYTE TRANSMITTED TX RX RXAK=0 N WRITE NEXT BYTE TO MDR GENERATE STOP SIGNAL Y N Y SET TXAK = 1 N N GENERATE STOP SIGNAL Y READ DATA FROM MDR AND STORE CLEAR MAL Y N MAAS = 1 MAAS = 1 SRW = 1 Y TX/RX READ MDR AND STORE SET TX MODE WRITE TO MDR SET RX MODE DUMMY READ FROM MDR ACK FROM RECEIVER TX NEXT BYTE SWITCH TO RX MODE DUMMY READ FROM MDR ARBITRATION LOST LAST 2nd BYTE TO BE READ RTI N Y TX RX N Y N N (WRITE) Y (READ) YN MODE Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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