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TMP93CS32F датащи(PDF) 122 Page - Toshiba Semiconductor |
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TMP93CS32F датащи(HTML) 122 Page - Toshiba Semiconductor |
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122 / 180 page ![]() TMP93CS32 2004-02-10 93CS32-120 Table 3.9.2 Selection of UART Transfer Rate (1) (when baud rate generator is used) Unit (kbps) fc [MHz] Input clock Frequency divisor φT0 (4/fc) φT2 (16/fc) φT8 (64/fc) φT32 (256/fc) 9.830400 1 153.600 38.400 9.600 2.400 ↑ 2 76.800 19.200 4.800 1.200 ↑ 4 38.400 9.600 2.400 0.600 ↑ 8 19.200 4.800 1.200 0.300 ↑ 16 9.600 2.400 0.600 0.150 12.288000 5 38.400 9.600 2.400 0.600 ↑ 10 19.200 4.800 1.200 0.300 14.745600 1 230.400 57.600 14.400 3.600 ↑ 3 76.800 19.200 4.800 1.200 ↑ 6 38.400 9.600 2.400 0.600 ↑ 12 19.200 4.800 1.200 0.300 17.2032 7 38.400 9.600 2.400 0.600 ↑ 14 19.200 4.800 1.200 0.300 19.6608 2 153.600 38.400 9.600 2.400 ↑ 4 76.800 19.200 4.800 1.200 ↑ 8 38.400 9.600 2.400 0.600 ↑ 16 19.200 4.800 1.200 0.300 Note 1: Transfer rate in I/O interface mode is 8 times faster than the values given in the above table. Note 2: This table is calculated when fc/1 is selected as a clock gear, and the system clock as a prescaler clock. Table 3.9.3 Selection of UART Transfer Rate (2) (when timer 2 (input clock φT1) is used) Unit (kbps) fc TREG2 19.6608 MHz 14.7456 MHz 12.288 MHz 12 MHz 9.8304 MHz 8 MHz 6.144 MHz 1H 153.6 115.2 96 76.8 62.5 48 2H 76.8 57.6 48 38.4 31.25 24 3H 51.2 38.4 32 31.25 16 4H 38.4 28.8 24 19.2 12 5H 30.72 23.04 19.2 9.6 8H 19.2 14.4 12 9.6 6 AH 15.36 11.52 9.6 4.8 10H 9.60 7.20 6 4.8 3 14H 7.68 5.76 4.8 2.4 How to calculate the transfer rate (when timer 2 is used): The clock frequency selected by the register SYSCR0<PRCK1:0> Transfer rate = TREG2 × 8 × 16 Note 1: Timer 2 match detect signal cannot be used as the transfer clock in I/O interface mode. Note 2: This table is calculated when fc/1 is selected as a clock gear, and fFPH as a prescaler clock. (When Timer 2 (input clock φT1) is used.) |
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