CHAPTER 9 TIMER/COUNTER FUNCTION
227
User’s Manual U15195EJ5V0UD
Figure 9-14. Software Output Waveforms of TO000 and TO001 When “1” Is Written to UPORT0 Bit
While TORTO0 = 1 (When TOMR0 Register Value = 80H)
(a) Without dead time (TM0CED0 = 1)
UPORT0
←
1
UPORT0
←
0
UPORT0
←
1
TO000
TO001
(b) With dead time (TM0CED0 = 0)
UPORT0
←
1
UPORT0
←
0
UPORT0
←
1
TO000
TO001
Dead-time period
Dead-time period
The following table shows the output status of external pulse output (in the case of TO0n0).
Table 9-3. Output Status of External Pulse Output (In Case of TO0n0)
OE00n Bit
TORTOn, UPORTn Bits
TM0CEn Bit
TO0n0
0 0/1
0/1
High
impedance
0 High
impedance
0
1 Timer
output
1
1
0/1
Output by UPORTn bit
Remarks 1.
OE00n bit: Bit 0 of POERn register
TORTOn bit: Bit 7 of PSTOn register
UPORTn bit: Bit 2 of PSTOn register
TM0CEn bit: Bit 15 of TMC0n register
2.
n = 0, 1
Содержание PD703114
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