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TMP86FS27FG Datasheet(PDF) 24 Page - Toshiba Semiconductor |
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TMP86FS27FG Datasheet(HTML) 24 Page - Toshiba Semiconductor |
24 / 32 page ![]() 86FS27-24 2007-08-07 TMP86FS27 3. Password string A password string sent from the controller is compared with the specified data in the flash memory. If the password string does not match the specified data in the flash memory, a password error occurs and the TMP86FS27 stops operating. 4. Handling of password error If a password error occurs, the UART function of TMP86FS27 stops without returning error code to the controller. Therefore, when a password error occurs, the TMP86FS27 should be reset by RESET pin input. 2.12 Product Discrimination Code The product discrimination code is a 13-byte data, that includes the start address and the end address of ROM. Table 2.12.1 shows the product discrimination code format. Table 2.12.1 Product Discrimination Code Format Data The Meaning of Data In Case of TMP86FS27 1st Start mark (3AH) 3AH 2nd The number of transfer data (from 3rd to 13th byte) 0AH 3rd Length of address 02H 4th Reserved data 03H 5th Reserved data 00H 6th Reserved data 00H 7th Reserved data 00H 8th The number of ROM block 01H 9th The upper byte of the first address of ROM 10H (Depends on the product) 10th The lower byte of the first address of ROM 00H (Depends on the product) 11th The upper byte of the end address of ROM FFH (Depends on the product) 12th The lower byte of the end address of ROM FFH (Depends on the product) 13th Checksum of transferred data (from 3rd to 12th byte) ECH (Depends on the product) |
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