background image

 

AU6475 USB2.0 Multi-LUN Flash Memory Card Reader V1.01W 

3

3. Pin Assignment 

 

AU6475 is available in 80-pin LQFP package.    Below diagram shows signal name of 
each pin and table in the following page describes each pin in detail. 

 

 

Figure 3.1 AU6475 Pin Assignment Diagram 

 
 

Alcor Micro

AU6475

80-PIN LQFP

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22 23 24 25

26

27 28 29

30

31 32 33

34

35 36 37

38

39 40

45

44

43

42

41

50

49

48

47

46

55

54

53

52

51

60

59

58

57

56

65 64

63

62 61

70 69 68

67

66

75

74 73 72

71

80

79 78 77 76

CFDATA13

CFDATA5

CFDATA12

CFDATA4

CFDATA11

CFDATA3

CFCDN

CFDATA10

CFDATA9

CFDATA2

XI

XO

DM

DP

VS33P

CFDATA8

CFDATA1

CFDATA0

REXT

VD33P

CL
E

D

VDDU

DE
VC
V

MSB

S

XD
CI

S

N

MSD

A

TA1

VSSHM

VDD

VDDHM

SD0WP

SD0C

DN

AVDD5

V

V3
3

CF
_V
3

3

XD
CD
N

SMR

B

N

SD0DA

T

A0

SD0DA

T

A1

SMCDN

VDD33C

MS_V33

SD_V33

XD_V33

MSDATA2

MSDATA0

SD0CMD

XDCEN

SD0CLK

SMALE

SMCLE

XDWPN

SMDATA0

SMWRN

CFAD0

SMDATA1

CFAD2

CFWTN

CFAD1

VDDHM

CH
IPRE

S

E

T

N

MSI

N

S

VDD

MSC

LK

MSD

A

T

A

3

SD0DA

T

A3

SMDA

TA2

SD0DA

T

A2

CF
RD
N

CFWR

N

CFDA

TA7

CF
D

A

T

A

1

4

CF
D

A

T

A

1

5

SMDA

TA4

SMDA

TA3

SMDA

TA6

SMDA

TA7

SMDA

TA5

SMR

D

N

CFRESETN

CFDA

TA6

 

 

 
 

 
 
 

 
 

Summary of Contents for AU6475

Page 1: ...AU6475 USB2 0 Multi LUN Flash Card Reader Controller Technical Reference Manual AU6475 PCB 24...

Page 2: ...AU6475 USB2 0 Multi LUN Flash Card Reader Controller...

Page 3: ...rp makes no warranty for the use of its products and bears no responsibility for any error that appear in this document Specifications are subject to change without prior notice R Re ev vi is si io on...

Page 4: ...Memo...

Page 5: ...eference Design 7 4 1 AU6475 Block Diagram 7 5 Electrical Characteristics 8 5 1 Absolute Maximum Ratings 8 5 2 Recommended Operating Conditions 8 5 3 General DC Characteristics 8 5 4 DC Electrical Cha...

Page 6: ...on Diagram 13 List of Tables Table 3 1 AU6475 Pin Descriptions 4 Table 5 1 Absolute Maximum Ratings 8 Table 5 2 Recommended Operating Conditions 8 Table 5 3 General DC Characteristics 8 Table 5 4 DC E...

Page 7: ...u ur re es s Support USB V2 0 specification and USB Device Class Definition for Mass Storage Bulk Transport V1 0 Support CF MD SD MMC MS MS_Pro MS_Duo xD SMC compatible flash card Support SD1 1 SD2 0...

Page 8: ...e AU6475 chip By connecting the card reader to a desktop or notebook PC through USB bus the AU6475 becomes a bus powered high speed USB card reader which can be used as a bridge for data transfer betw...

Page 9: ...54 53 52 51 60 59 58 57 56 65 64 63 62 61 70 69 68 67 66 75 74 73 72 71 80 79 78 77 76 CFDATA13 CFDATA5 CFDATA12 CFDATA4 CFDATA11 CFDATA3 CFCDN CFDATA10 CFDATA9 CFDATA2 XI XO DM DP VS33P CFDATA8 CFDA...

Page 10: ...UTMI 16 DP I O DP 17 DM I O DM 18 VS33P GND Power Ground 19 XI I 12MHz Crystal Input 20 XO O 12MHz Crystal Output 21 VDDU PWR 1 8V Power Source for UTMI 22 CLED O Card access LED No card 1 Any card in...

Page 11: ...Data2 47 SD0CLK O SD CLK 48 SD0CMD I O SD CMD 49 XDCEN O xD CEN 50 SMCLE O xD SMC CLE 51 SMALE O xD SMC ALE 52 SMWRN O xD SMC WRN 53 XDWPN I O xD SMC WPN 54 SMDATA0 I O xD SMC Data0 55 SMDATA1 I O xD...

Page 12: ...01W 6 Pin Name I O Description 72 SMDATA5 I O xD SMC Data5 73 SMDATA6 I O xD SMC Data6 74 SMDATA7 I O xD SMC Data7 75 CFWRN O CF WRN 76 CFRDN O CF RDN 77 CFDATA15 I O CF Data15 78 CFDATA7 I O CF Data...

Page 13: ...Di ia ag gr ra am m Figure 4 1 AU6475 Block Diagram 5V 1 8 V 1 8V 3 3V Voltage Regulator Power Switch 12MHz XTAL USB SIE RAM CF MD SMC SD MMC MS xD Control FIFO Processor Arbitrator ROM XCVR SD MMC M...

Page 14: ...S V5IN Power Supply 4 75 5 0 5 25 V VDDH Power Supply 3 0 3 3 3 6 V VDD V18 Digital Supply 1 62 1 8 1 98 V VIN Input Signal Voltage 0 3 3 3 6 V TOPR Operating Temperature 0 85 O C 5 5 3 3 G Ge en ne e...

Page 15: ...16mA 2 4 V Rpu Input pull up resistance PU high PD low 55 75 110 K Rpd Input pull down resistance PU low PD high 40 75 150 K Iin Input leakage current Vin VDDH or 0 10 1 10 A Ioz Tri state output lea...

Page 16: ...h speed data signaling common mode voltage range 50 500 mV Squelch detected 100 mV VHSSQ High speed squelch detection threshold No squelch detected 150 mV Disconnection detected 625 mV VHSDSC High spe...

Page 17: ...gh level output voltage 2 8 3 6 V Table 5 8 Dynamic characteristic Analog I O pins DP DM Symbol Parameter Conditions Min Typ Max Unit Driver Characteristics High Speed Mode tHSR High speed differentia...

Page 18: ...0 100 200 300 400 500 Current mA Voltage V Others CFPWR Figure 5 1 Built in card power switch I V curve 3 3V 0 3V 1ms to 10ms Depend Load Capacitor CARD_POWER CARD_DETECT 100ms System Polling timing F...

Page 19: ...6 Mechanical Information Figure 6 1 Mechanical Information Diagram AU6475 USB2 0 Multi LUN Flash Memory Card Reader V1 01W 13...

Page 20: ...orldwide We specialize in USB solutions and focus on emerging technology such as USB and IEEE 1394 The company offers a range of semiconductors including controllers for USB hub integrated keyboard US...

Reviews: