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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) 468 Page - Renesas Technology Corp |
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M16C/29 датащи(HTML) 468 Page - Renesas Technology Corp |
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468 / 499 page  p u o r G 9 2 / C 6 1 M 22. Usage Notes page 444 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 22.11.2 CAN Transceiver in Boot Mode When programming the flash memory in boot mode via CAN bus, the operation mode of CAN transceiver should be set to “high-speed mode” or “normal operation mode”. If the operation mode is controlled by the MCU, CAN transceiver must be set the operation mode to “high-speed mode” or “normal operation mode” before programming the flash memory by changing the switch etc. Tables 22.3 and 22.4 show pin con- nections of CAN transceiver. Table 22.3 Pin Connections of CAN Transceiver (In case of PCA82C250: Philips product) Standby mode High-speed mode Rs pin (Note 1) “H”“L” CAN communication impossible possible Connection M16C/29 PCA82C250 CTx0 CRx0 Port (2) TxD RxD Rs CANH CANL Switch OFF M16C/29 PCA82C250 CTx0 CRx0 TxD RxD Rs CANH CANL Port (2) Switch ON Sleep mode Normal operation mode _______ STB pin (Note 1) “L”“H” EN pin (Note 1) “L”“H” CAN communication impossible possible Connection M16C/29 PCA82C252 CTx0 CRx0 TxD RxD STB CANH CANL EN Switch OFF Port (2) Port (2) M16C/29 PCA82C252 CTx0 CRx0 TxD RxD STB CANH CANL EN Port (2) Port (2) Switch ON Note 1: The pin which controls the operation mode of CAN transceiver. Note 2: Connect to enabled port to control CAN transceiver. Table 22.4 Pin Connections of CAN Transceiver (In case of PCA82C252: Philips product) Note 1: The pin which controls the operation mode of CAN transceiver. Note 2: Connect to enabled port to control CAN transceiver. |
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