MSC8101PG Motorola / Freescale Semiconductor, MSC8101PG Datasheet - Page 98

• Manufacturer Part Number: MSC8101PG
• Description: MSC8101PG 16-Bit Digital Signal Processor Quick Reference
• Manufacturer: Motorola / Freescale Semiconductor

DPCR
DSTR
DIMR
19–23 RQNUM
28–31 PRIO
Bit
17
24
25
4
5
Bit
Bit
Bit
Bit
Bit
FLY
FRZ
INT
SDN0
SDN1
M0
16
16
I0
0
0
Name
0
DMA Pin Configuration Register
DMA Status Register
DMA Internal Mask Register
M1
17
17
I1
1
1
Flyby Transaction
Requestor Number
Freezes Channel
Internal Requestor
Channel Priority
Select DONE[0]
Select DONE[1]
M2
18
18
I2
2
2
1
M3
19
19
I3
3
3
—
M4
Description
20
20
I4
4
4
2
Table 6-13. DMA Registers (Continued)
M5
21
21
I5
5
5
DPCR Bit Descriptions
M6
22
22
I6
6
6
3
M7
23
23
I7
7
7
—
—
0 = Dual-access transaction
1 = Single-access transaction (flyby mode)
00000 = HDI16 read request
00001 = HDI16 write request
00010 = EFCOP read request
00011 = EFCOP write request
001xx = Reserved
01000 = External request 1,DREQ1
0 = Channel operation normal
0 = External request
0000 = Highest priority
0 = PD31 functionality is DONE
0 = PD30 functionality is DONE
M8
24
24
I8
8
8
Reset: 0
Reset: 0
Reset: 0
SDN0
4
M9
25
25
I9
9
9
M10
I10
10
26
10
26
SDN1
5
M11
I11
11
27
11
27
Settings
01001 = External request 2, DREQ2
01010 = External request 3, DREQ3
01011 = External request 4, DREQ4
011xx = Reserved
1xxxx = Reserved
1 = Channel frozen
1 = Internal request
111 = Lowest priority
1 = PD31 functionality is DRACK
1 = PD30 functionality is DRACK
M12
I12
12
28
12
28
Type: R/W
Type: R/W
Type: R/W
6
M13
I13
13
29
13
29
—
M14
I14
14
30
14
30
7
0x1078C
0x10784
0x10780
M15
I15
15
31
15
31