m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 168
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m37905
Manufacturer Part Number
m37905
Description
Mitsubishi 16-bit Single-chip Microcomputer 7700 Family / 7900 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.M37905.pdf
(565 pages)
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Fig. 8.4.4 Example of operation in event counter mode
8.4.3 Operation in event counter mode
Figure 8.4.4 shows an example of operation in the event counter mode.
When a counter underflow occurs, the reload register’s contents are reloaded, and counting continues.
When the count start bit is set to “1,” the counter starts counting of the count source.
The timer Bi interrupt request bit is set to “1” at the counter underflow in
The interrupt request bit remains set to “1” until the interrupt request is accepted or until the interrupt
request bit is cleared to “0” by software.
Timer Bi interrupt
n : Reload ragister’s contents
Count start bit
request bit
FFFF
0000
16
16
n
Set to “1” by software.
Starts counting.
7905 Group User’s Manual Rev.1.0
Cleared to “0” when interrupt request is accepted or cleared to “0” by software.
Cleared to “0” by
software.
Stops counting.
8.4 Event counter mode
Set to “1” by software.
Restarts counting .
.
TIMER B
Time
8-17
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