Renesas M16C FAMILY Hardware Manual page 87

Under development
Preliminary specification
Specifications in this manual are tentative and subject to change.
R8C/11 Group
n = high-level: the contents of TX register, low-level: the contents of PREX register
FFFF
16
n
0000
16
"1"
TXS bit in TXMR
register
"0"
"H"
Measurement pulse
(CNTR0 pin input)
"L"
"1"
IR bit in INT1IC
register "0"
IR bit in TXIC
"1"
register
"0"
Conditions: "H" level width of measurement pulse is measured. (R0EDG=1)
Figure 12.8 Operation Example in Pulse Width Measurement Mode
Rev.0.91 2003 Sep 08
Count start
Count stop
Set to "1" by program
Cleared to "0" when interrupt request is accepted, or cleared by program
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Underflow
Cleared to "0" when interrupt request is accepted, or cleared by program
12.1 Timer (Timer X)
Count stop
Count restart
Time