M16C65 Datasheet, PDF (306/829 Pages) Renesas Technology Corp – RENESAS MCU M16C FAMILY / M16C/60

Under development
M16C/65 Group
Preliminary Specification
This is a preliminary specification and is subject to change.
16.2.5 DMAi Source Select Register (DMiSL) (i = 0 to 3)
16. DMAC
DMAi Source Select Register (i = 0 to 3)
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
DM0SL
DM1SL
DM2SL
DM3SL
Address
0398h
039Ah
0390h
0392h
Bit Symbol
Bit Name
Function
After Reset
00h
00h
00h
00h
RW
DSEL0
RW
DSEL1
RW
DSEL2
DMA request source select
bit
See the bit explanation below.
RW
DSEL3
DSEL4
RW
—
(b5)
No register bit. If necessary, set to 0. Read as 0
—
DMS
DMA request source
expansion select bit
0: Basic request source
1: Extended request source
RW
DSR Software DMA request bit
A DMA request is generated by setting this
bit to 1 when the DMS bit is 0 (basic
source) and bits DSEL4 to DSEL0 are
RW
00001b (software trigger).
Read as 0
DSEL4-DSEL0 (DMA Request Source Select Bit) (b4-b0)
The sources of DMAi requests can be selected by a combination of the DMS bit and bits DSEL4 to
DSEL0 in the manner shown in Table 16.3 to Table 16.6. Table 16.3 to Table 16.6 list the sources of
DMAi requests.
REJ09B0484-0030 Rev.0.30 Sep 09, 2008
Page 271 of 791