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Ppc_alrh -29, Ppc_aalrl -29, Lcl_acr -29 – Motorola MPC8260 User Manual

Page 167: Wn in figure 4-23 and figure 4-24, deþne

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4-29

MPC8260 PowerQUICC II UserÕs Manual

MOTOROLA

Part II. ConÞguration and Reset

PPC_ALRL, shown in Figure 4-24, deÞnes arbitration priority of 60x bus masters 8Ð15.
Priority Þeld 0 is the highest-priority arbitration level. For information about the MPC8260
bus master indexes, see the description of PPC_ACR[PRKM] in Table 4-10.

4.3.2.4 Local Bus Arbiter ConÞguration Register (LCL_ACR)

The local bus arbiter conÞguration register (LCL_ACR), shown in Figure 4-25, deÞnes the
arbiter modes and the parked master on the local bus.

Bit

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

Field

Priority Field 0

Priority Field 1

Priority Field 2

Priority Field 3

Reset

0000

0001

0010

0011

R/W

R/W

Addr

0x1002C

Bit

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Field

Priority Field 4

Priority Field 5

Priority Field 6

Priority Field 7

Reset

0100

0101

0110

0111

R/W

R/W

Addr

0x1002E

Figure 4-23. PPC_ALRH

Bit

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

Field

Priority Field 8

Priority Field 9

Priority Field 10

Priority Field 11

Reset

1000

1001

1010

1011

R/W

R/W

Addr

0x10030

Bit

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Field

Priority Field 12

Priority Field 13

Priority Field 14

Priority Field 15

Reset

1100

1101

1110

1111

R/W

R/W

Addr

0x10032

Figure 4-24. PPC_AALRL

Bit

0

1

2

3

4

5

6

7

Field

Ñ

DBGD

Ñ

PRKM

Reset

0000_0010

R/W

R/W

Addr

0x10034

Figure 4-25. LCL_ACR