
R8C/14 Group, R8C/15 Group 13. Timers
Rev.2.10 Jan 19, 2006 Page 91 of 253
REJ09B0164-0210
Figure 13.6 TXMR Register in Event Counter Mode
Timer X Mode Register
Symbol Address After Reset
TXMR
008Bh 00h
Bit Symbol Bit Name Function RW
INT1
____
/CNTR0 Signal
Polarity Sw itch Bit
(1)
NOTES :
1.
2.
Set to “0” in event counter mode
Refer to
20.4.2 Timer X
for precautions on the TXS bit.
01
The IR bit in the INT1IC register may be set to “1” (requests interrupt) when the R0EDG bit is rewritten.
Refer to
20.2.5 Changing Interrupt Factor
.
R0EDG RW
RW
TXOCNT RW
TXMOD0 RWOperating Mode Select Bit 0, 1
b1 b0
1 0 : Event Counter Mode
TXMOD1 RW
b0
0000
b7 b6 b5 b4
RW
b3 b2
0 : Rising edge
1 : Falling edge
TXS
Timer X Count Start Flag
(2)
0 : Stops counting
1 : Starts counting
b1
Set to “0” in event counter mode
Set to “0” in event counter mode
RW
TXUND RW
TXEDG
Set to “0” in event counter modeTXMOD2
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