PXD20RM Datasheet, PDF (1371/1628 Pages) Freescale Semiconductor, Inc – PXD20 Microcontroller

Figure 39-43. Updating the DDS configuration buffer
39.7.2.5 State Machine of SGM channel in DDS mode
The SGM manages the operation of the channel using a state machine. The current state of the machine
for each channel is found in the SGMST register. See Figure and Table 39-41 for details of the state
machine operation.
I
IDLE/STOP
B
ATTK
A
C
J
F
D
SUST
E
H
G
RELS
NOPT
Source State
IDLE/STOP
Figure 39-44. DDS-Mode State Machine - by Function
Table 39-41. DDS mode State Machine
Destination State
ATTK
Transfer
Condition
Description
A
If the SOG is asserted, the ASR envelope will
enter the Attack phase.
Freescale Semiconductor
PXD20 Microcontroller Reference Manual, Rev. 1
Preliminary—Subject to Change Without Notice
39-47