NXP Semiconductors MPC5644A, Reference Manual, Page: 861 / 1735

Enhanced Time Processing Unit (eTPU2)
MPC5644A Microcontroller Reference Manual, Rev. 6
Freescale Semiconductor 861
10 issue Service Request on 2nd
1
Match
11 issue Service Request on both Matches
1
2nd Match means the Match that happens after the 1st Match in time, either Match A or Match B.
Table 24-51. TCAP and TSR signals – Transition Captures and Service Requests
Value TCAP TSR
0 1st
1
Transition captures Time Bases corresponding to
Transition A and Transition B
2
Transition A captures corresponding Time Base if it is the second
transition;
Transition B captures corresponding Time Base if it is the second
transition.
1
1st Transition means the Transition that happens first in time, either Transition A or Transition B.
2
Match capture(s) never overwrites a Transition capture. Transition captures can always override a Match capture.
issue Service Request on the
1st
1
Transition
1 Transition A captures corresponding Time Base.
Transition B captures corresponding Time Base. issue Service Request on the
2nd
3
Transition
3
2nd Transition means the Transition that happens second in time, either Transition A or Transition B
Table 24-52. MCAP signal – Match Capture
Value MCAP
0 Match A captures corresponding Time Base;
Match B captures corresponding Time Base
1 either Match captures Time Bases corresponding to Match A and Match B
1
1
Match capture(s) never overrides a Transition capture. Transition captures can always override a
Match capture.
Table 24-53. TBM2 signal – Transition Blocks Match B
Value TBM2
0 Transition A Blocks Match B
1 Transition B Blocks Match B
Table 24-54. M1ET, M1EM2, M1BM2, M2BM1, M2BT signals
Signal Active value meaning
M1ET
(Match A Enable Transitions)
Transitions are initially blocked,
and Match A enables Transitions
M1EM2
(Match A Enables Match B)
Match B is initially blocked
1
,
and Match A enables Match B
Table 24-50. MSR[1:0] signals – Match Service Requests
Value MSR