HD6432621 Hitachi, HD6432621 Datasheet - Page 369

• Manufacturer Part Number: HD6432621
• Description: (HD64F262x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

Waveform Output by Compare Match: The TPU can perform 0, 1, or toggle output from the
corresponding output pin using compare match.
Figure 10-8 illustrates periodic counter operation.
Example of setting procedure for waveform output by compare match
Figure 10-9 shows an example of the setting procedure for waveform output by compare match
Figure 10-9 Example of Setting Procedure for Waveform Output by Compare Match
TGR
H'0000
CST bit
TGF
Select waveform output mode
TCNT value
Start count operation
<Waveform output>
Set output timing
Output selection
Figure 10-8 Periodic Counter Operation
[1]
[2]
[3]
[1] Select initial value 0 output or 1 output, and
[2] Set the timing for compare match generation in
[3] Set the CST bit in TSTR to 1 to start the count
compare match output value 0 output, 1 output,
or toggle output, by means of TIOR. The set
initial value is output at the TIOC pin until the
first compare match occurs.
TGR.
operation.
Counter cleared by TGR
compare match
Flag cleared by software or
DTC activation
Time
325