Figure 10-7, Shows the t – Freescale Semiconductor MPC5200B User Manual

Page 352

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Functional Description

MPC5200B Users Guide, Rev. 1

Freescale Semiconductor

10-55

Figure 10-7. Type 0 Configuration Translation

For Type 0 configuration cycles, MPC5200B translates the device number field of the Configuration Address Register into a unique IDSEL
line shown in

Table 10-8

. (allows for 21 different devices).

Table 10-8. Type 0 Configuration Device Number to IDSEL Translation

Device Number

IDSEL

Binary

Decimal

0b0_0000-0b0_1001

0-9

-

0b0_1010

10

AD31

0b0_1011

11

AD11

0b0_1100

12

AD12

0b0_1101

13

AD13

0b0_1110

14

AD14

0b0_1111

15

AD15

0b1_0000

16

AD16

0b1_0001

17

AD17

0b1_0010

18

AD18

0b1_0011

19

AD19

0b1_0100

20

AD20

0b1_0101

21

AD21

0b1_0110

22

AD22

0b1_0111

23

AD23

0b1_1000

24

AD24

0b1_1001

25

AD25

0b1_1010

26

AD26

0b1_1011

27

AD27

0b1_1100

28

AD28

31

11 10

8 7

2 1 0

Function Number dword

Contents of Configuration Address Register

24 23

16 15

Device Number

Bus Number

30

E

Reserved

0 0 0 0 0 0 0

0 0

AD[31:0] Signals During Address Phase

31

11 10

2 1 0

0 0

Function Number/dword

IDSEL (only one signal high)

See

Table 10-8

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