MCF5272 查看數據表（PDF） - Oxford Semiconductor

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MCF5272

Interfacing OTG243 USB Host/Function/OTG Controller to MCF5272 ColdFire Processor

Oxford Semiconductor 

TransDimension Inc.

Interfacing OTG243 to Motorola MCF5272 ColdFire Processor

1 NC

2 D0

3 D1

4 D2

5 VDD

6 VDD

7 D3

8 D4

9 D5

10 D6

11 D7

12 VSS

13 D8

14 D9

15 D10

16 D11

17 D12

18 D13

19 D14

20 D15

21 VDD

22 VDD

23 VSS

24 TEST

25 NC

26 /CS

27 /WR

28 /RD

29 D16

30 D17

31 D18

32 D19

33 D20

34 D21

35 D22

36 D23

37 VDD

38 VSS

39 D24

40 D25

41 D26

42 D27

43 VSS

44 VDD

45 DP2

46 DM2

47 DP3

48 DM3

49 NC

50 NC

51 NC

52 RPU

53 DP1

54 DM1

55 VSS

56 D28

57 D29

58 D30

59 D31

60 VSS

61 VDD

81 VBUS

62 VDD

82 VFB

63 WAKEUP 83 /OC

64 INT

84 /PO

65 /RESET 85 ID

66 VBP

86 VSS

67 A2

87 VDD

68 A3

88 VDD

69 A4

89 /EXVBO

70 A5

90 DRQ1

71 A6

91 DRQ0

72 A7

92 DACK1

73 A8

93 DACK0

74 NC

94 EOT1

75 NC

95 EOT0

76 AVDD

96 VSS

77 AVSS

78 CEX1

79 VDD

97 AVSS

98 OSC1

99 OSC2

80 CEX2

100 AVDD

Figure 2: OTG243 pin assignment (LQFP)

1.2 References

General instructions on OTG243 interfacing are given in chapters 6 and 7 of the OTG243 data

sheet (TDI document number: MU2001). This reference design describes a specific interfacing

design of OTG243 with Motorola MCF5272 ColdFire.

It is assumed that the user has knowledge on general principles of microprocessor interfacing, as

well as some understanding on the Motorola MCF5272 and the OTG243. Reading Chapter 7 of

USB Specification 2.0 is recommended.

1.3 Notation

For clarity, all OTG243 signal names in the following are in italic bold: e.g., A4 and VBUS,

and active low signals are written with leading “/”: e.g., /WR.

MCF5272 names are in plain bold: e.g., A4 and nCS0, and active low signals are written with

leading “n”: e.g, CS0 is written as nCS0.

1.4 Software

TransDimension, together with SoftConnex Inc, its wholly owned subsidiary, offer total solutions

including controller chips, reference designs, development kits, firmware for microprocessor

interfacing, HCD (host controller driver), HNP (Host Negotiation Protocol), SRP (Session

Request Protocol) as well as USB Host and Function stacks running under most real time

operating systems.

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