HD6432621 Hitachi, HD6432621 Datasheet - Page 433

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

11.3.4
Sample Setup Procedure for Non-Overlapping Pulse Output: Figure 11-6 shows a sample
procedure for setting up non-overlapping pulse output.
PPG setup
TPU setup
TPU setup
Figure 11-6 Setup Procedure for Non-Overlapping Pulse Output (Example)
Non-Overlapping Pulse Output
Set non-overlapping groups
Set counting operation
Select interrupt request
Set initial output data
Select TGR functions
Select output trigger
Enable pulse output
Compare match?
Non-overlapping
Set TGR values
Set next pulse
Set next pulse
Start counter
PPG output
output data
output data
Yes
No
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10]
[11]
[1] Set TIOR to make TGRA and
[2] Set the pulse output trigger period
[3] Select the counter clock source
[4] Enable the TGIA interrupt in TIER.
[5] Set the initial output values in
[6] Set the DDR and NDER bits for the
[7] Select the TPU compare match
[8] In PMR, select the groups that will
[9] Set the next pulse output values in
[10] Set the CST bit in TSTR to 1 to
[11] At each TGIA interrupt, set the next
TGRB an output compare registers
(with output disabled)
in TGRB and the non-overlap
margin in TGRA.
with bits TPSC2 to TPSC0 in TCR.
Select the counter clear source
with bits CCLR1 and CCLR0.
The DTC can also be set up to
transfer data to NDR.
PODR.
pins to be used for pulse output to
1.
event to be used as the pulse
output trigger in PCR.
operate in non-overlap mode.
NDR.
start the TCNT counter.
output values in NDR.
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