PSD5XX Famly
92
Counter/Timer
(Cont.)
9.6.2.11 I/O – Port A, B, E
Ports A, B and E have the capabilities for counter/timer alternate and special functions,
e.g. Counter/Timer out, load/store, enable/disable, etc. Refer also to the chapter on I/O
ports for further details.
Table 25.
Port Pin
Special Function Out
PA0
Timer0_out
PA1
Timer1_out
PA2
Timer2_out
PA3
Timer3_out
Port Pin
Special Function Out
PB0
Timer0_out
PB1
Timer1_out (in Pulse Mode Only)
PB2
Timer2_out
PB3
Timer3_out (in Pulse Mode Only)
Special Function Assignment
Port A:
Timer outputs in Pulse or Waveform modes can be tapped out of these pins: PA0 – PA3.
In order for the following timer outputs to drive their corresponding port pins, set the
respective bits in the Special Function Register of Port A to ones.
Table 26.
Port B:
Timer outputs in Pulse or Waveform modes can be tapped out of these pins: PB0 – PB3.
In order for the following timer outputs to drive their corresponding port pins, set the
respective bits in the Special Function Register of Port B to ones.
The decision which of Port A or B pins are used as timer outputs is done by the
PSDsoft fitter.