HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 577

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

11.3.3
Sample Setup Procedure for Normal Pulse Output: Figure 11.4 shows a sample procedure for
setting up normal pulse output.
TPU setup
Port and
PPG setup
TPU setup
Normal Pulse Output
Figure 11.4 Setup Procedure for Normal Pulse Output (Example)
Set counting operation
Select interrupt request
Set initial output data
Select TGR functions
Select output trigger
Enable pulse output
Normal PPG output
Compare match?
Set TGRA value
Set next pulse
Set next pulse
output data
output data
Start count
Yes
No
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10]
Section 11 Programmable Pulse Generator (PPG)
[1] Set TIOR to make TGRA an output
[2] Set the PPG 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] Set the next pulse output values in
[9] Set the CST bit in TSTR to 1 to
[10] At each TGIA interrupt, set the next
Note:* The DMAC is not supported in
Rev.6.00 Sep. 27, 2007 Page 547 of 1268
compare register (with output
disabled).
with bits TPSC2 to TPSC0 in TCR.
Select the counter clear source
with bits CCLR1 and CCLR0.
The DTC or DMAC* 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 output
trigger in PCR.
NDR.
start the TCNT counter.
output values in NDR.
the H8S/2321.
REJ09B0220-0600