r4f2426 Renesas Electronics Corporation., r4f2426 Datasheet - Page 349

• Manufacturer Part Number: r4f2426
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
• Manufacturer: Renesas Electronics Corporation.

Bit
3
2
1
0
Bit Name
DTF3
DTF2
DTF1
DTF0
Initial Value
0
0
0
0
R/W
R/W
R/W
R/W
R/W
Description
Data Transfer Factor 3 to 0
These bits select the data transfer factor
(activation source). The factors that can be
specified differ between normal mode and block
transfer mode.
•
0000: Setting prohibited
0001: Setting prohibited
0010: Activated by DREQ pin falling edge input
0011: Setting prohibited
010x: Setting prohibited
0110: Auto-request (cycle steal)
0111: Auto-request (burst)
1×××: Setting prohibited
Normal Mode
(detected as a low level in the first transfer
after transfer is enabled)*
Rev. 1.00 Sep. 19, 2008 Page 321 of 1270
Section 7 DMA Controller (DMAC)
REJ09B0466-0100