Cypress S6J3200 Series, Manual

Page: 269 / 1355

CHAPTER 15:12-/10-/8-bit Analog to Digital Converter
268 S6J3200 Series Hardware Manual Document Number: 002-04852 Rev. *G
Figure 3-10 shows an example of restarting a group processing with its first channel during the
conversion of the last channel of the group processing (Forced stop mode is disabled
(ADC12Bn_CTRL.FSMD = "0")).
(1) Logic channel 0 trigger is issued and processing of the group 0 is initiated.
(2) Processing of the group 0, conversion of logical channels 0 -> 1 -> 2 -> 3 -> 4 -> start of channel 5
conversions (last channel of the group 0).
(3) Logic channel 6 trigger is issued during the conversion of channel 5.
The operations after (3) are dependent on the setting of forced stop mode (ADC12Bn_CTRL.FSMD).
Forced stop mode is enabled (ADC12Bn_CTRL.FSMD = "1", Figure 3-9):
(4) Since the priority of the channel 6 is higher than priority of the channel 5, the processing of the group 0
is interrupted during the conversion of channel 5 and trigger status of channel 0 is set.
(5) Group 1 is converted.
(6) After group 1 is finished, processing of group 0 is restarted with conversion of channel 0 since its
trigger status flag is set to "1".
(7) Group 0 is converted.
(8) At the end of group 0 processing, idle trigger group 2 is converted.
Forced stop mode is disabled (ADC12Bn_CTRL.FSMD = "0", Figure 3-10):
(4) After the conversion of channel 5 is finished (group 0 is converted), processing continues with the
conversion of the channel 6.
(5) Group 1 is converted.
(6) At the end of group 1 processing, idle trigger group 2 is converted (group 0 is not restarted).