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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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M16C/29 датащи(PDF) 316 Page - Renesas Technology Corp |
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M16C/29 датащи(HTML) 316 Page - Renesas Technology Corp |
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316 / 499 page  17. CAN Module p u o r G 9 2 / C 6 1 M page 292 8 5 4 f o 7 0 0 2 , 0 3 .r a M 2 1 . 1 . v e R 2 1 1 0 - 1 0 1 0 B 9 0 J E R 17.1.3 CAN SFR Registers 17.1.3.1 C0MCTLj Register (j = 0 to 15) Figure 17.6 shows the C0MCTLj register. Figure 17.6 C0MCTLj Register b7 b6 b5 b4 b3 b2 b1 b0 Bit Symbol Bit Name Function RW RO (1) RO (1) RO RO RO (1) NewData Successful reception flag SentData Successful transmission flag When set to reception slot 0: The content of the slot is read or still under processing by the CPU 1 The CAN module has stored new data in the slot When set to reception slot 0: The message is valid 1: The message is invalid (The message is being updated) When set to reception slot 0: No message has been overwritten in this slot 1: This slot already contained a message, but it has been overwritten by a new one When set to transmission slot 0: Transmission is not started or completed yet 1: Transmission is successfully completed When set to transmission slot 0: Waiting for bus idle or completion of arbitration 1: Transmitting InvalData TrmActive "Under reception" flag "Under transmission" flag MsgLost Overwrite flag Remote frame transmission/ reception status flag (2) 0: Data frame transmission/reception status 1: Remote frame automatic transfer status RemActive RspLock Auto response lock mode select bit Remote frame corresponding slot select bit When set to reception remote frame slot 0: After a remote frame is received, it will be answered automatically 1: After a remote frame is received, no transmission will be started as long as this bit is set to 1 (Not responding) 0: Slot not corresponding to remote frame 1: Slot corresponding to remote frame Remote 0: Not reception slot 1: Reception slot RecReq Reception slot request bit (3) 0: Not transmission slot 1: Transmission slot TrmReq Transmission slot request bit (3) NOTES: 1. As for write, only writing 0 is possible. The value of each bit is written when the CAN module enters the respective state. 2. In Basic CAN mode, the slots 14 and 15 serve as data format identification flag. If the data frame is received, the RemActive bit is set to 0. If the remote frame is received, the bit is set to 1. 3. One slot cannot be defined as reception slot and transmission slot at the same time. 4. Set these registers only when the CAN module is in CAN operating mode. CAN0 message control register j ( j = 0 to 15) (4) Symbol C0MCTL0 to C0MCTL15 to 020F16 020016 0016 After Reset Address RW RW RW RW RW |
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