6V7 datasheet(97/298 Pages) RENESAS

97 / 298 page

Rev.1.00

May 18, 2004

page 97 of 296

M306V7MG/MH/MJ/MJA-XXXFP, M306V7FG/FH/FJ/FJAFP

Count source

Measurement pulse

Count start flag

Timing at which counter

reaches "000016"

Timer Bi interrupt

request bit

Timer Bi overflow flag

“1”

“H”

Transfer

(indeterminate

value)

Transfer

(measured value)

Transfer

(measured value)

Transfer

(measured

value)

Reload register

transfer timing

counter

“L”

“0”

“1”

“0”

“1”

“0”

Notes 1: Counter is initialized at completion of measurement.

2: Timer has overflowed.

(Note 1)

(Note 1) (Note 1)

(Note 2)

(Note 1)

Cleared to “0” when interrupt request is accepted, or cleared by software.

Figure 2.10.25 Operation timing when measuring a pulse width

Figure 2.10.24 Operation timing when measuring a pulse period

Count source

Measurement pulse

Count start flag

Timing at which counter

reaches "000016"

Timer Bi interrupt

request bit

Timer Bi overflow flag

“1”

“H”

Transfer

(indeterminate value)

Transfer

(indeterminate value)

Reload register

transfer timing

counter

“L”

“0”

“1”

“0”

“1”

“0”

Notes 1: Counter is initialized at completion of measurement.

2: Timer has overflowed.

(Note 1)

(Note 2)

Cleared to “0” when interrupt request is accepted, or cleared by software.

When measuring measurement pulse time interval from falling edge to falling edge

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