MPC5553/MPC5554 Microcontroller Reference Manual, Rev. 5
Freescale Semiconductor 17-43
Figure 17-31. OPWFM with Immediate Update
Figure 17-32. OPWFM with Next Period Update
A1 Value
1
B1 Value
B2 Value
2
0x001000
0x000900
Output
Flip-Flop
A1 Match A1 Match
Time
0x000000
B1 Match
0x000200
0x001000
0x000900
0x000200
Write to
A2 & B2
0x000200 0x000200
Write to
B2
0x000900
EMIOS_CCNTRn
MODE[6] = 0
B1 Match
0x001000
0x001000
0x000900
Notes:
1
Writing EMIOS_An writes to A2.
2
Writing EMIOS_Bn writes to B2.
A2value transferred to A1 according to OUn bit.
B2value transferred to B1 according to OUn bit.
A1 Value
1
B1 Value
B2 Value
2
0x001000
0x000900
Output
Flip-Flop
A1 Match A1 Match
Time
0x000000
B1 Match
0x0002000x000200
0x001000
0x000900
0x000200
Write to
A2 & B2
0x000200 0x000200
Write to
B2
0x001000
MODE[6] = 1
EMIOS_CCNTR
B1 Match A1 Match B1 Match
0xxxxxxx
0x001000
0x001000 0x000900 0x000900
Notes:
1
Writing EMIOS_An writes to A2.
2
Writing EMIOS_Bn writes to B2.
A2value transferred to A1 according to OUn bit.
B2value transferred to B1 according to OUn bit.