M30622SAFP MITSUBISHI [Mitsubishi Electric Semiconductor], M30622SAFP Datasheet - Page 93

• Manufacturer Part Number: M30622SAFP
• Description: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
• Manufacturer: MITSUBISHI [Mitsubishi Electric Semiconductor]

Timer B
Figure 1.14.20. Operation timing when measuring a pulse period
Figure 1.14.21. Operation timing when measuring a pulse width
Measurement pulse
Timing at which counter
reaches “0000
Count start flag
Timer Bi overflow flag
Timer Bi interrupt
request bit
Reload register
transfer timing
Timing at which counter
reaches “0000
Count start flag
Timer Bi interrupt
request bit
Timer Bi overflow flag
Reload register
transfer timing
Count source
Measurement pulse
When measuring measurement pulse time interval from falling edge to falling edge
Note 1: Counter is initialized at completion of measurement.
Note 2: Timer has overflowed.
Note 1: Counter is initialized at completion of measurement.
Note 2: Timer has overflowed.
Count source
16
16
”
”
counter
counter
“H”
“L”
“1”
“0”
“1”
“0”
“1”
“0”
“H”
“1”
“0”
“1”
“0”
“1”
“0”
“L”
Cleared to “0” when interrupt request is accepted, or cleared by software.
Cleared to “0” when interrupt request is accepted, or cleared by software.
Transfer
(indeterminate
value)
(Note 1)
Transfer
(indeterminate value)
Transfer
(measured value)
(Note 1)
(Note 1)
Transfer
(measured
value)
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
(Note 1)
Transfer
(measured value)
Transfer
(measured value)
(Note 1)
(Note 1)
M16C / 62A Group
Mitsubishi microcomputers
(Note 2)
(Note 2)
93