m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 179

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

TIMER B
8.5 Pulse period/pulse width measurement mode
8-28
Fig. 8.5.7 Operation example during the pulse width measurement (when free-run count type is selected)
Reload register
Timing at which counter is
Timer Bi overflow flag
Measurement pulse
cleared to “0000
Timer Bi interrupt
Undefined
Transfer timing
Count start bit
Count source
FFFF
0000
request bit
value
Counter is initialized by the first valid edge.
Counter overflows.
16
Counter
16
16
Cleared to “0” by software.
”
Undefined
(undefined value)
Transferred
7905 Group User’s Manual Rev.1.0
(measured value)
Transferred
Cleared to “0” when interrupt request is accepted or
cleared to “0” by software.
(measured value)
Transferred
(measured value)
Transferred
Time