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7 uart, Uart – Kontron COMe-mTT10 User Manual

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COMe-mTT10 / Features and Interfaces

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

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