m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 336

• Manufacturer Part Number: m37905
• Description: Mitsubishi 16-bit Single-chip Microcomputer 7700 Family / 7900 Series
• Manufacturer: Renesas Electronics Corporation.

Fig. 12.7.3 Operation in one-shot mode
12.7.2 One-shot mode operation
Figure 12.7.3 shows the operation in the one-shot mode.
of
(conversion result) are transferred to the A-D register i.
When the comparator function is selected, the comparison is completed after 14 cycles of
the result of the comparison is stored into the AN
The A-D converter starts its operation when the A-D conversion start bit is set to “1.”
The A-D conversion is completed after 49 cycles of
At the same time as step
The A-D conversion start bit is cleared to “0,” and the A-D converter halts.
AD
in the 10-bit resolution mode. Then, the contents of the successive approximation register
8-bit and 10-bit resolution modes
Comparator function
Convert input voltage at pin AN
Compare input voltage at pin AN
A-D converter halts.
Trigger generated
A-D converter halts.
Trigger generated
, the A-D conversion interrupt request bit is set to “1.”
7905 Group User’s Manual Rev.1.0
A-D conversion interrupt request occurs.
A-D conversion interrupt request occurs.
i
.
i
.
Conversion result
Comparison result
i
pin comparator result bit.
AD
in the 8-bit resolution mode, or 59 cycles
A-D register i
A-D CONVERTER
AN
result bit
i
pin comparator
12.7 One-shot mode
AD
. Then,
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