
Specifications subject to changes without prior notice
22
MB86860 SPARClite
3.14. DMSAR[0:1] : DMA Source Address Register
DMA source address registers are used to specify DMA transfer source addresses. These registers are assigned to
0x80000c08 (DMSA0 for Channel 0) and 0x80000c28 (DMSA1 for Channel 1). The setting unit is burst length (32 bytes).
Transfer source ASI is specified by the lower order 4 bits.
31
5
4
3
0
Source address
R
ASI
Address: 0x80000C08 (ASI=0x4)
DMSAR0
Address: 0x80000C28 (ASI=0x4)
DMSAR1
Reset State: 0x00000000
Figure 3-17 DMSAR Register
bit31-5:
Source address
bit4:
Reserved
bit3-0:
ASI<3:0>
3.15. DMDAR[0:1] : DMA Destination Address Register
DMA destination address registers are used to specify DMA transfer destination addresses. These registers are
assigned to 0x80000c10 (DMDA0 for Channel 0) and 0x80000c30 (DMDA1 for Channel 1). The setting unit is burst length
(32 bytes). Transfer destination ASI is specified by the lower order 4 bits.
31
5
4
3
0
Destination address
R
ASI
Address: 0x80000C10 (ASI=0x4)
DMDAR0
Address: 0x80000C30 (ASI=0x4)
DMDAR1
Reset State: 0x00000000
Figure 3-18 DMDAR Register
bit31-5:
Destination address
bit4:
Reserved
bit3-0:
ASI<3:0>
3.16. DMWL[0:1] : DMA Word Length Register
DMA word length registers specify the number of DMA transfer data. These registers are assigned to 0x80000c18
(DMWL0 for Channel 0) and 0x80000c38 (DMWL1 for Channel 1). The setting unit is burst length (32 bytes).
31
16
15
0
LWL
WL
Address: 0x80000C18 (ASI=0x4)
DMWL0
Address: 0x80000C38 (ASI=0x4)
DMWL1
Reset State: 0x00000000
Figure 3-19 DMWL Register
bit31-16: Left Word Length [LWL]
bit15-0:
Word Length [WL]
3.17. IDR : ID Register
ID registers store ID numbers for identifying processors. Read values are “0x0860XXXX”, and the lower order 16 bits
are undefined. This register is Read Only.
31
0
ID
Address: 0x80000ff0 (ASI=0x4)
IDR
Reset State: 0x0860XXXX
Figure 3-20 IDR Register
bit31-0:
ID (Value is 0x0860XXXX)