M32CSLASH86 datasheet(194/505 Pages) RENESAS

194 / 505 page

Page 171

15. Timer (Timer B)

)

(

Pulse to be measured

"H"

Count source

TBiS bits in TABSR

and TBSR registers

IR bit in TBilC register

Timing that the counter

reaches "000016"

"1"

Transferred

(measured value)

Transferred

(measured value)

"L"

"0"

MR3 bit in TBiMR

“1”

“0”

i=0 to 5

NOTES:

1. The counter is reset when a measurement is completed.

2. The timer counter overflows.

(Note 1)

Transferred

(measured

value)

(Note 1)

Set to "0" by an interrupt request acknowledgement or by program.

(Note 2)

Transferred

(indeterminate

value)

Timing to transfer value

from counter to reload

"1"

"0"

Count source

Pulse to be measured

TBiS bits in TABSR

and TBSR registers

IR bit in TBilC register

Timing that the counter

reaches "000016"

"H"

Transferred

(indeterminate value)

"L"

"0"

MR3 bit in TBiMR

i=0 to 5

NOTES:

1. The counter is reset when a measurement is completed.

2. The timer counter overflows.

(Note 1)

(Note 2)

Set to "0" by an interrupt request acknowledgement or by program

Transferred

(measured value)

"1"

Timing to transfer value

from counter to reload

"0"

"1"

"0"

"1"

Figure 15.23 Operation Example in Pulse Period Measurement Mode

Figure 15.24 Operation Example in Pulse Width Measurement Mode

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