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TMP92FD54AI 数据表(PDF) 36 Page - Toshiba Semiconductor |
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TMP92FD54AI 数据表(HTML) 36 Page - Toshiba Semiconductor |
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36 / 84 page ![]() 2006-01-27 92FD54AI-36 TMP92FD54AI Table 4.3.7 Boot program transfer format (for Auto Chip Erase & UnProtect) Number of bytes transferred Data transferred from the controller to the device Baud rate Data transferred from the device to the controller BOOT ROM 1st byte Serial operation mode and baud rate settings For UART 86H Desired baud rate (Table 4.3.1(a)) ⎯ 2nd byte ⎯ ACK response for Serial Operation Mode For UART If normal (can be set) 86H (If the device determines that the baud rate cannot be set, it will stop operating.) 3rd byte Operation command data (40H) ⎯ 4th byte ⎯ ACK response for operation command *1 If normal 40H If abnormal X1H If communication error occurs X8H 5th byte ⎯ Erase Operation result response data If normal 4FH If abnormal 4CH 6th byte ⎯ ACK response If normal B1H If abnormal B4H 7th byte (Wait for the next operation command.) ⎯ *1: After returning an abnormal response the controller waits for the operation command (third byte). |
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