Fujitsu FR81S User Manual
CHAPTER 44: 12-BIT A/D CONVERTER
5. Operation
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER
: 12-BIT A/D CONVERTER
FUJITSU SEMICONDUCTOR CONFIDENTIAL
77
5.2.6. External trigger activation
The external trigger activation is explained.
The A/D activation trigger control factor select bit is set to external trigger activation (ADTECS.STS2="0",
ADTCS.STS1, STS0="01
B
").
The external trigger is input every 12-bit A/D converter unit one by one. The external trigger 0 corresponds
to activation channel 0 to 31, and the external trigger 1 corresponds to activation channel 32 to 47. Please
refer to "Table 5-2 Channel allocation of each unit" for the correspondence of the activation channel of each
A/D converter unit in this series.
When the falling edge of the external trigger is detected, the activation request signal of external
trigger/reload timer/PPG is set.
MB91520 Series
MN705-00010-1v0-E
1880