Rainbow Electronics RC2100 - Manual (Page 15)

RC2100
 2005 Radiocrafts AS RC2100 Data Sheet (rev. 1.0) Page 15 of 22
t
TX
300 us (1 char)
780 us (16 chars)
t
TX
= # bytes to send x 32 us/byte (at 250 kbit/s) approximatelly.
Add 8 overhead bytes if addressing and CRC is not used. Add
additionally 2 extra bytes for addressing (9 with PAN_ID used)
and 2 extra bytes for CRC if enabled.
Example: To send one character (no CRC or addressing) takes totally 2.4 ms from the
character is received on the UART until the transceiver is back in IDLE mode.
Note also that in IDLE mode every 16 seconds the module recalibrates its internal UART
clock reference in order to compensate for temperature drift. The recalibration takes
approximately 1.2 ms. There is no recalibration in CONFIG mode, therefore the module
should not be left in CONFIG mode for an extended time if the temperature is likely to change
by more than +/- 5 degrees.