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TMP86FS27FG Datasheet(PDF) 26 Page - Toshiba Semiconductor |
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TMP86FS27FG Datasheet(HTML) 26 Page - Toshiba Semiconductor |
26 / 32 page 86FS27-26 2007-08-07 TMP86FS27 2.14 UART Timing Table 2.14.1 UART Timing-1 (VDD = 4.5 V to 5.5 V, fc = 2 MHz, 4 MHz, 8 MHz, 16 MHz, Topr = 20 to 30°C) Table 2.14.2 UART Timing-2 (VDD = 4.5 V to 5.5 V, fc = 2 MHz, 4 MHz, 8 MHz, 16 MHz, Topr = 20 to 30°C) Table 2.14.3 UART Timing-3 (VDD = 4.5 V to 5.5 V, fc = 2 MHz, 4 MHz, 8 MHz, 16 MHz, Topr = 20 to 30°C) Parameter Symbol The Number of Clock (fc) Required Minimum Time At fc = 2 MHz At fc = 16 MHz Time from the reception of a matching data until the output of an echo back CMeb1 Approx. 600 300 µs37.5 µs Time from the reception of a baud rate modification data until the output of an echo back CMeb2 Approx. 500 250 µs31.3 µs Time from the reception of an operation command until the output of an echo back CMeb3 Approx. 500 250 µs31.3 µs Calculation time of checksum CKsm Approx. 1573000 786.5 ms 98.3 ms Parameter Symbol The Number of Clock (fc) Required Minimum Time At fc = 2 MHz At fc = 16 MHz Time from reset release until acceptance of start bit of RXD pin RXsup 25000 12.5 ms 1.56 ms Time between a matching data and the next matching data CMtr1 28500 14.3 ms 1.8 ms Time from the echo back of matching data until the acceptance of baud rate modification data CMtr2 400 200 µs 25 µs Time from the output of echo back of baud rate modification data until the acceptance of an operation command CMtr3 500 250 µs31.3 µs Time from the output of echo back of operation command until the acceptance of Password count storage addresses CMtr4 2600 1.3 ms 163 µs Parameter Symbol Min. Max. Unit Time from the stop bit of the previous data record to start bit of the next data record tSU; ST 1 − ms RESET pin (TMP86FS27) RXD pin (TMP86FS27) RXsup (5AH) CMeb1 (5AH) CMtr2 (28H) (28H) CMeb2 CMtr3 (30H) (30H) CMeb3 CMtr4 TXD pin (TMP86FS27) RXD pin (TMP86FS27) TXD pin (TMP86FS27) (5AH) (5AH) (5AH) CMtr1 RXD pin (TMP86FS27) TXD pin (TMP86FS27) The end byte of a data record tSU; ST STOP bit START bit |
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