CHAPTER 9 TIMER/COUNTER FUNCTION (REAL-TIME PULSE UNIT)
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User’s Manual U14492EJ3V0UD
Figure 9-49. Mode 1 (When Rising Edge Is Specified as Valid Edge of TIUD1n Pin):
In Case of Simultaneous TIUD1n, TCUD1n Pin Edge Timing
0007H
TIUD1n
TCUD1n
TM1n
0006H
Down count
Up count
0005H
0004H
0005H
0006H
0007H
Remark
n = 0, 1
(ii) Mode 2 (PRM12 bit = 1, PRM11 bit = 0, PRM10 bit = 1)
The count conditions in mode 2 are as follows.
•
TM1n up count upon detection of valid edge of TIUD1n pin
•
TM1n down count upon detection of valid edge of TCUD1n pin
Caution
If the count clock is simultaneously input to the TIUD1n pin and the TCUD1n pin,
count operation is not performed and the immediately preceding value is held.
Figure 9-50. Mode 2 (When Rising Edge Is Specified as Valid Edge of TIUD1n, TCUD1n Pins)
0006H
TIUD1n
TCUD1n
TM1n
0007H
0008H
Up count
Hold value
Down count
0007H
0006H
0005H
Remark
n = 0, 1
Содержание V850E/IA1 mPD703116
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