HD6412332 RENESAS [Renesas Technology Corp], HD6412332 Datasheet - Page 336

• Manufacturer Part Number: HD6412332
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Figure 8.2 shows a flowchart of DTC operation, and table 8.2 summarizes the chain transfer
conditions. (Combinations for performing the second and third transfers are omitted.)
Rev.4.00 Sep. 07, 2007 Page 306 of 1210
REJ09B0245-0400
Read register information
Write register information
Transfer counter = 0
Clear activation flag
Read DTC vector
or DISEL = 1?
Data transfer
CHNE = 1?
No
No
Start
End
Figure 8.2 Flowchart of DTC Operation
Yes
Yes
Next transfer
Interrupt exception
Clear DTCER
counter = 0?
DISEL = 1?
CHNS = 0?
No
No
No
handling
Transfer
Yes
Yes
Yes