m30833fjgp Renesas Electronics Corporation., m30833fjgp Datasheet - Page 139
m30833fjgp
Manufacturer Part Number
m30833fjgp
Description
Renesas 16/32-bit Single-chip Microcomputer M16c Family / M32c/80 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.M30833FJGP.pdf
(527 pages)
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R
R
M
e
E
. v
3
J
Figure 12.2 DM0SL to DM3SL Registers
0
2
1
9
C
3 .
B
8 /
0
1
0
3
3
J
G
4
a
0 -
n
o r
DMAi Request Factor Select Register
b7
3 .
1
u
, 1
3
NOTES:
p
b6
1
2
(
1. Change the DSEL4 to DSEL0 bit settings while the MDi1 to MDi0 bits in the DMA0 or DMD1
2. When the DSR bit is set to "1", set the DRQ bit to "1" simultaneously.
3. Do not set the DRQ bit to "0".
0
M
b5
0
register are set to "00
DSEL4 to DSEL0 bit settings are changed.
3
6
2
b4
C
e.g., MOV.B #083h, DMiSL ; Set timer A0
e.g., OR.B #0A0h, DMiSL
Page 116
8 /
b3
, 3
b2
M
b1
3
2
b0
C
f o
8 /
4
8
3
Symbol
DSEL0
DSEL1
DSEL2
DSEL3
DSEL4
2
DRQ
DSR
(b6)
8
) T
" (DMA disabled). Also, set the DRQ bit to "1" simultaneously when the
Bit
Symbol
DM0SL to DM3SL 0378
DMA Request Cause
Select Bit
Software DMA
Request Bit
Nothing is assigned. When write, set "0".
When read, its content is indeterminate.
DMA Request Bit
Bit Name
(1)
Address
(2)
16,
(2, 3)
0379
(i=0 to 3)
16,
When a software trigger is selected, a DMA
request is generated by setting this bit to "1"
(When read, its content is always "0")
0 : Not requested
1 : Requested
037A
See Table 12.2 about DMiSL
register (i = 0 to 3) function
16,
037B
16
Function
After Reset
0X00 0000
2
RW
RW
RW
RW
RW
RW
RW
RW
12. DMAC
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