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Enhanced Modular Input/Output Subsystem (eMIOS)
MPC5566 Microcontroller Reference Manual, Rev. 2
Freescale Semiconductor
17-73
illustrates the channel operation for 0% duty cycle. The A1 match signal positive edge occurs
at the same time as the B1 = 8 signal negative edge. In this case the A1 match has precedence over the B1
match, causing the output flip-flop to remain at the EDPOL value, thus generating a 0% duty cycle.
Figure 17-54. eMIOS OPWMB Mode Example — 0% Duty Cycle
1
4
A1 match negative
A1 value 0x000004
A1 match
Output flip-flop
Selected
Time
B1 match negative
B1 match
B1 value 0x000006
System clock
Prescaled clock
A2 value
0x000000
0x000000
A1 match positive edge detect
1
8
FLAG bit set
EDPOL = 0
A1 match negative
B1 match negative
A1 match positive
edge detection
edge detection
edge detection
edge detect
Cycle n
Cycle n+1
Write to A2
edge detect
8
counter bus
Summary of Contents for MPC5566
Page 81: ...Introduction MPC5566 Microcontroller Reference Manual Rev 2 1 24 Freescale Semiconductor...
Page 135: ...Signal Description MPC5566 Microcontroller Reference Manual Rev 2 2 54 Freescale Semiconductor...
Page 189: ...Reset MPC5566 Microcontroller Reference Manual Rev 2 4 20 Freescale Semiconductor...
Page 603: ...Flash Memory MPC5566 Microcontroller Reference Manual Rev 2 13 38 Freescale Semiconductor...
Page 609: ...SRAM MPC5566 Microcontroller Reference Manual Rev 2 14 6 Freescale Semiconductor...
Page 1073: ...MPC5566 Microcontroller Reference Manual Rev 2 22 36 Freescale Semiconductor...
Page 1185: ...Nexus MPC5566 Microcontroller Reference Manual Rev 2 25 92 Freescale Semiconductor...