4 end pointer (ep), 5 variable pointer (vp), End pointer (ep) -8 – Freescale Semiconductor MCF5480 User Manual
Page 728: Variable pointer (vp) -8
MCF548x Reference Manual, Rev. 3
24-8
Freescale Semiconductor
24.3.3.4
End Pointer (EP)
24.3.3.5
Variable Pointer (VP)
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
R
Descriptor Pointer
W
Reset
Uninitialized
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
R
Descriptor Pointer
W
Reset
Uninitialized
Reg
Addr
MBAR + 0x8008
Figure 24-5. End Pointer Register (EP)
Table 24-4. EP Field Descriptions
Bits
Name Description
31–0
Descriptor
Pointer
Descriptor pointer. Pointer to the address of the last DMA descriptor for the currently
executing task.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
R
Variable Pointer
W
Reset
Uninitialized
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
R
Variable Pointer
W
Reset
Uninitialized
Reg
Addr
MBAR + 0x800C
Figure 24-6. Variable Pointer Register (VP)
Table 24-5. VP Field Descriptions
Bits
Name Description
31–0
Variable
Pointer
Variable pointer. Pointer to the starting address of the variable table for the currently
executing task.