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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TMP86FS49AIUG датащи(PDF) 166 Page - Toshiba Semiconductor |
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TMP86FS49AIUG датащи(HTML) 166 Page - Toshiba Semiconductor |
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166 / 296 page  Page 150 13. Asynchronous Serial interface (UART2 ) 13.2 Control TMP86FS49AIUG 13.2 Control UART2 is controlled by the UART2 Control Registers (UART2CR1, UART2CR2). The operating status can be monitored using the UART status register (UART2SR). Note 1: When operations are disabled by setting TXE and RXE bit to “0”, the setting becomes valid when data transmit or receive complete. When the transmit data is stored in the transmit data buffer, the data are not transmitted. Even if data transmit is enabled, until new data are written to the transmit data buffer, the current data are not transmitted. Note 2: The transmit clock and the parity are common to transmit and receive. Note 3: UART2CR1<RXE> and UART2CR1<TXE> should be set to “0” before UART2CR1<BRG> is changed. Note: When UART2CR2<RXDNC> = “01”, pulses longer than 96/fc [s] are always regarded as signals; when UART2CR2<RXDNC> = “10”, longer than 192/fc [s]; and when UART2CR2<RXDNC> = “11”, longer than 384/fc [s]. UART2 Control Register1 UART2CR1 (0F98H) 76 543 210 TXE RXE STBT EVEN PE BRG (Initial value: 0000 0000) TXE Transfer operation 0: 1: Disable Enable Write only RXE Receive operation 0: 1: Disable Enable STBT Transmit stop bit length 0: 1: 1 bit 2 bits EVEN Even-numbered parity 0: 1: Odd-numbered parity Even-numbered parity PE Parity addition 0: 1: No parity Parity BRG Transmit clock select 000: 001: 010: 011: 100: 101: 110: 111: fc/13 [Hz] fc/26 fc/52 fc/104 fc/208 fc/416 TC5 ( Input INTTC5) fc/96 UART2 Control Register2 UART2CR2 (0F99H) 765 432 1 0 RXDNC STOPBR (Initial value: **** *000) RXDNC Selection of RXD input noise rejectio time 00: 01: 10: 11: No noise rejection (Hysteresis input) Rejects pulses shorter than 31/fc [s] as noise Rejects pulses shorter than 63/fc [s] as noise Rejects pulses shorter than 127/fc [s] as noise Write only STOPBR Receive stop bit length 0: 1: 1 bit 2 bits |
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