Renesas M32R/ECU Series User Manual page 456

11
(3) Conversion restart
In this special operation mode, operation being executed in single or scan mode is stopped in the middle and
reexecuted from the beginning.
When in single mode, set the A-D Single Mode Register 0 A-D conversion start bit to "1" again or enter a
hardware trigger during A-D conversion or comparate operation, and the operation that was stopped during
execution is executed over again.
When in scan mode, set the A-D Scan Mode Register 0 A-D conversion start bit to "1" again or enter a
hardware trigger signal during scan operation, and the channel being converted is canceled and A-D conver-
sion is performed from channel 0 over again.
Figure 11.1.8 Conversion Restart during Single Mode Operation
<To restart during ADiIN2 conversion in n-channel single-shot scan mode>
Scan mode
conversion starts
10-bit A-Di Data Register
Figure 11.1.9 Conversion Restart during Scan Operation
<To restart single mode ADiIN5 conversion>
Single mode ADiIN5
ADiIN5
Single mode
ADiIN5 conversion
starts
10-bit A-Di Data Register
A-D conversion interrupt or DMA transfer request
Scan mode
restarts
ADiIN2
ADiIN0 ADiIN1 ADiIN0
ADiDT0 ADiDT1
11.1 Outline of A-D Converters
i=0, 1
restarts
Completed
ADiIN5
ADiDT5
ADiIN1 ADiINn-1
ADiDT0 ADiDT1
A-D conversion interrupt or DMA transfer request
11-11
A-D Converters
i=0, 1
n=0–15
Completed
ADiINn
ADiDTn-1 ADiDTn
32180 Group User's Manual (Rev.1.0)