Performance
(Original Document)
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At a Glance
The following tables describe typical exchange times in the Character Mode.
The results displayed correspond to the average operation period for the PRINT_CHAR function in milliseconds.
Exchange Time Definition
The Exchange Time is the time between the creation of an exchange and the end of that exchange. It includes the serial link communication time.
The exchange is created when the communication function call is made.
The exchange ends when one of the following events occurs:
Exchange Time Values
The following table gives the exchange times for the transmission of 80 characters in Character Mode on a BMX P34 2020 processor at different baud rates and cycle times:
Exchange time in ms
Cycle time in ms
10
20
50
100
255
Baud rate of communication in bits per second
1200
805
820
850
900
980
4800
210
220
250
300
425
9600
110
115
145
200
305
19200
55
60
95
100
250
The BMX P34 2000/2010/20102 processor exchange times are similar to the BMX P34 2020 processor. The BMX P34 1000 exchange times are 10% lower.
NOTE: All exchange times listed above come from measures with an accuracy margin of +/- 10 ms.