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A-D CONVERTER
8.10 Repeat sweep mode 1
8.10.2 Repeat sweep mode 1 operation description
(1) When an internal trigger is selected
The A-D converter starts conversion for the input voltage from the AN
start bit is set to "1."
The A-D conversion of the input voltage from the AN
the 8-bit mode, or 59 cycles of φ
approximation register (conversion result) are transferred to the A-D register 0.
The operations to all analog input pins in the group of more frequencies of use are performed.
The conversion result is transferred to the A-D register i each time each pin is converted.
The operation to one (refer to Figure 8.10.1) of analog input pins in the group of fewer frequencies
of use is performed.
The operations to all analog input pins in the group of more frequencies of use are performed again.
The operation to another one, which is different from the one selected in step
pins in the group of fewer frequencies of use is performed. (Refer to Figure 8.10.1.)
The operation is performed repeatedly until the A-D conversion start bit is cleared to "0" by software.
(2) When an external trigger is selected
The A-D converter starts conversion for the input voltage from the AN
______
the
pin changes from "H" to "L" while the A-D conversion start bit is set to "1."
AD
TRG
The A-D conversion of the input voltage from the AN
the 8-bit mode, or 59 cycles of φ
approximation register (conversion result) are transferred to the A-D register 0.
The operations to all analog input pins in the group of more frequencies of use are performed.
The conversion result is transferred to the A-D register i each time each pin is converted.
The operation to one (refer to Figure 8.10.1) of analog input pins in the group of fewer frequencies
of use is performed.
The operations to all analog input pins in the group of more frequencies of use are performed again.
The operation to another one, which is different from the one selected in step
pins in the group of fewer frequencies of use is performed. (Refer to Figure 8.10.1.)
The operation is performed repeatedly until the A-D conversion start bit is cleared to "0" by software.
When the level of the
is cancelled and is restarted from step
8–34
in the 10-bit mode. Then, the contents of the successive
AD
in the 10-bit mode. Then, the contents of the successive
AD
______
pin changes from "H" to "L" during operation, the operation at that point
AD
TRG
.
7751 Group User's Manual
pin when the A-D conversion
0
pin is completed after 49 cycles of φ
0
pin when the input level to
0
pin is completed after 49 cycles of φ
0
in
AD
, of analog input
in
AD
, of analog input
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