2.3 UART Interface (Pins 12, 13)
FM1288 has an UART interface which could be used to
Transmit and receive control commands at run-time, and
Also by the host processor to supply the necessary initialization configuration parameters during
reset and power-up, should the system designer elect this option.
To use the UART interface immediately after power up, the clock/crystal frequency supplied to the FM-
1288 must be an integer multiple of 18.432 MHz in order for the UART baud rate to communicate to the
commonly used baud rate which would be an integer multiple of 9600.
Clock/Crystal Input
4.608 MHz
9.216 MHz
18.432 MHz
36.864 MHz
UART baud rate after boot up
2400 baud
4800 baud
9600 baud
19200 baud
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