r5f71374an80fpv Renesas Electronics Corporation., r5f71374an80fpv Datasheet - Page 224

• Manufacturer Part Number: r5f71374an80fpv
• Description: 32-bit Risc Microcomputer Superh?? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

Section 8 Data Transfer Controller (DTC)
3. For the second transfer, set repeat transfer mode (with the source side as the repeat area) for re-
4. Execute the first data transfer 65536 times by means of interrupts. When the transfer counter
5. Next, execute the first data transfer the 65536 times specified for the first data transfer by
6. Steps 4 and 5 are repeated endlessly. As repeat mode is specified for the second data transfer,
Rev. 1.00 Sep. 21, 2007 Page 198 of 1124
REJ09B0402-0100
setting the transfer destination address for the first data transfer. Use the upper eight bits of
DAR in the first transfer information area as the transfer destination. Set CHNE = DISEL = 0.
If the above input buffer is specified as H'200000 to H'21FFFF, set the transfer counter to 2.
for the first data transfer reaches 0, the second data transfer is started. Set the upper eight bits
of the transfer source address for the first data transfer to H'21. The lower 16 bits of the
transfer destination address of the first data transfer and the transfer counter are H'0000.
means of interrupts. When the transfer counter for the first data transfer reaches 0, the second
data transfer is started. Set the upper eight bits of the transfer source address for the first data
transfer to H'20. The lower 16 bits of the transfer destination address of the first data transfer
and the transfer counter are H'0000.
no interrupt request is sent to the CPU.
located on the on-chip memory
Transfer information
2nd data transfer
1st data transfer
Figure 8.19 Chain Transfer when Counter = 0
information
information
Chain transfer
(counter = 0)
Upper 8 bits of DAR
Input circuit
Input buffer