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
69
5.1.2. Scan conversion completion interrupt by conversion
count specification
The scan conversion completion interrupt by conversion count specification is explained.
Table 5-2 Interrupt control bit and interrupt factor by scan conversion completion by
conversion count specification
Scan conversion completion interrupt by conversion
count specification
Interrupt request flag bit
SCINT:bit7 of scan conversion control status register
(ADSCANS)
Interrupt request enable bit
SCIE:bit6 of scan conversion control status register
(ADSCANS)
Interrupt factor
After completing the A/D conversion of a specified count of the
final activation channel in the scan conversion of the
conversion count specification
When the A/D conversion of a specified count of the final activation channel is completed, A/D activation
compare can generate the interrupt request when the scan conversion by the conversion count specification
is executed. Moreover, the scan conversion completion interrupt by the conversion count specification is
controlled with each 12-bit A/D converter unit.
When the A/D conversion of a specified count of the final activation channel of the scan conversion by the
conversion count specification is completed, scan conversion completion interrupt factor flag bit
(ADSCANS.SCINT) is set in "1". At this time, when the scan conversion completion interrupt request
enable bit has been enabled (ADSCANS.SCIE="1"), the interrupt request is output to the interrupt
controller. Moreover, the scan conversion by the conversion count specification is controlled by conversion
count specification scan conversion execution enable bit (ADNCS.CNTEN) and conversion count
specification bit (ADNCS.CCNT1, CCNT0).
MB91520 Series
MN705-00010-1v0-E
1872