r4f2426 Renesas Electronics Corporation., r4f2426 Datasheet - Page 1009
r4f2426
Manufacturer Part Number
r4f2426
Description
16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R4F2426.pdf
(1302 pages)
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17.5
The A/D converter generates an A/D conversion end interrupt (ADI) at the end of A/D conversion.
Setting the ADIE bit to 1 when the ADF bit in ADCSR is set to 1 after A/D conversion is
completed enables ADI interrupt requests. The data transfer controller (DTC)* and DMA
controller (DMAC) can be activated by an ADI interrupt. Having the converted data read by the
DTC* or DMAC in response to an ADI interrupt enables continuous conversion to be achieved
without imposing a load on software.
Note: * Only possible in unit 0.
Table 17.8 A/D Converter Interrupt Source
Note:
Name
ADI0
Internal trigger
Figure 17.8 External Trigger Input Timing when Multiple Units Start Simultaneously
ADTRG0
ADST
signal
Pφ
*
Interrupt Source
Interrupt Source
A/D conversion end
Only possible in unit 0.
(TRSG1, TRGS0, and EXTRGS = B'111)
Interrupt Flag
ADF
DTC Activation
Possible*
Rev. 1.00 Sep. 19, 2008 Page 981 of 1270
Section 17 A/D Converter
DMAC Activation
Possible
REJ09B0466-0100
A/D conversion
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