User`s manual

40 RabbitCore RCM3400
5.2.4 Prototyping Board Function Calls
The functions described in this section are for use with the Prototyping Board features.
The source code is in the RCM34xx.LIB library in the Dynamic C LIB\RCM3400 folder if
you need to modify it for your own board design.
Other generic functions applicable to all devices based on Rabbit microprocessors are
described in the Dynamic C Function Reference Manual.
5.2.5 Board Initialization
Call this function at the beginning of your program. This function initializes Parallel Ports A through G
for use with the RCM3400 Prototyping Board.
Summary of Initialization
1. Display/keypad select is disabled.
2. Ethernet select is disabled.
3. RS-485 is not enabled.
4. RS-232 is not enabled.
5. Unused configurable I/O are tied inputs or outputs set low.
6. A/D converter is reset and SCLKB is set to 57,600 bps.
7.A/D converter calibration constants are read, so this function cannot run in RAM.
RETURN VALUE
None.
void brdInit (void);