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4.7
UART
The COMe-mTT10 supports two Serial RX/TX only UART Ports defined in COM Express® specification on Pins A98/A99 for
UART0 and Pins A101/A102 for UART1. The 16550 compatible UARTs are provided from the - and resources are
subordinated to other UARTS e.g. from external LPC Super I/O.
UART features:
» 9600 to 115.2k Baud
» 8bit Word length
» 1 Stop bit
» Odd, even or no parity support
» 256byte FIFO Buffer for UART0
» 64byte FIFO Buffer for UART1
» Hardware Flow Control on UART0
» Initialized per default to COM3 3F8h/IRQ4 and COM4 2F8/IRQ3 without external SIO
» Initialized per default to COM3 3E8h/IRQ5 and COM4 2E8/IRQ10 with external SIO present
Due to the protection circuitry required according COM Express® specification the transfer
speed can only be guaranteed for 9600 Baud. Please contact your local sales or support for
customized versions without protection circuitry
30
COMe-mTT10 / Features and Interfaces
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