Datasheet

Section 8 EXDMA Controller
Rev. 3.00 Mar 17, 2006 page 343 of 926
REJ09B0283-0300
Bit Bit Name Initial Value R/W Description
10 AMS 0 R/W Address Mode Select
Selects single address mode or dual address
mode. When single address mode is selected,
the EDACK pin is valid.
0: Dual address mode
1: Single address mode
9
8
MDS1
MDS0
0
0
R/W
R/W
Mode Select 1 and 0
These bits specify the activation source, bus
mode, and transfer mode.
00: Auto request, cycle steal mode, normal
transfer mode
01: Auto request, burst mode, normal transfer
mode
10: External request, cycle steal mode, normal
transfer mode
11: External request, cycle steal mode, block
transfer mode
7 EDIE 0 R/W EXDMA Interrupt Enable
Enables or disables interrupt requests. When
this bit is set to 1, an interrupt is requested
when the IRF bit is set to 1. The interrupt
request is cleared by clearing this bit or the IRF
bit to 0.
0: Interrupt request is not generated
1: Interrupt request is generated