Renesas R8C/Tiny Series Manuel télécharger pdf (Page 72)

R8C/10 Group

Rev.1.20 Jan 27, 2006 page 62 of 180

REJ09B0019-0120

FFFF

0000

Counter contents (hex)

n = high-level: the contents of TX register, low-level: the contents of PREX register

Count stop

Set to "1" by program

Count start Underflow

TXS bit in TXMR

Measurement pulse

(CNTR0 pin input)

IR bit in INT1IC

Conditions: "H" level width of measurement pulse is measured. (R0EDG=1)

“1”

“0”

IR bit in TXIC

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

“H”

“L”

“1”

“0”

“1”

“0”

Count stop

Count restart

Time

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

Figure 12.8 Operation Example in Pulse Width Measurement Mode

12.1 Timer (Timer X)

1 2 ... 67 68 69 70 71 72 73 74 75 76 77 ... 198 199

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Renesas R8C/Tiny Series Manuel Page 72