DD3118

CardReaderControllerDataSheet

Revision1.2

DD3118Datasheet

PAGE

2

TableofContents

KeyFeatures

4

Overview

5

GeneralDescription

5

FunctionBlockDiagram

5

PinAssignments

5

QFN-42Diagram

5

QFN-24Diagram

6

PinDescription

6

Electricalcharacteristics

5

AbsoluteMaximumRatings

5

RecommendedOperatingConditions

5

TimingDiagram

5

TimingDiagramParameter

6

PackageInformation

7

DD3118SQFN-42PackageInformation

7

DD3118QFN-24PackageInformation

7

ProductOrderingInformation

8

OrderingInformation

8

TopMarking

8

RevisionHistory

Date

Description

Notes

2025-04-15

1)Preliminaryrelease.

-

2025-05-29

Update產(chǎn)品型號(hào)

Features

SystemClock:

SystemWithoutCrystalOscillator.

SupportsLow-speedandHigh-speedClocks.

USBController:

ComplieswithUSBSpecificationRev3.0/2.0/1.0.

CompliantwithIFCertification.

DualInterfaceDesign,SupportBothTypeAandTypeC.（DD3118S）

SDController:

ComplieswithSDSpecificationRev3.0.

ComplieswitheMMCSpecificationRev4.5+.

SupportsSDx4andeMMCx8BusWidths.

SupportsSD_VCC3.3V/1.8VPowerSupply.

SupportsSDC3.3V/1.8VBusPowerSupply.

SupportsSDR25,SDR50,SDR104,DDR50.

I2CController:

SupportModifyingUSBInformationSuchasVIDandPID.

PowerController:

SupportsV33LDOOutputof3.3V/1.1V

SupportsSD_VCCLDOOutputof3.3V/1.8V.

ESDProtection(MM):≥200V,＜400V.

ESDProtection(HBM):≥4000V,＜8000V.

ESDProtection(CDM):≥1000V.

WorkingCondition:

5VVoltageInput.

WorkingTemperature:-40℃~85℃.

PackageType:

QFN-42Pin.

QFN-24Pin.

DD3118Datasheet

5

Overview

GeneralDescription

DD3118isahigh-performanceandhighlyintegratedcardreadercontrolchipmanufacturedusing40nmlow-powertechnology,specificallydesignedforcardreaders.Asthecorefunctionalmoduleofthecardreader,DD3118supportsUSB3.0,SD3.0,andeMMC4.5standardprotocols,enablingstableaccesstodatastoredinthememorycardandachievingdatatransferfunctionality.

FunctionBlockDiagram

Figure1:DD3118FunctionBlockDiagram

PinAssignments

QFN-42Diagram

DD3118S

QFN42

Figure2:DD3118SDiagram(QFN-42,TopView)

DD3118Datasheet

PAGE

6

QFN-24Diagram

DD3118

QFN24

Figure3:DD3118Diagram(QFN-24,TopView)

PinDescription

PinName

QFN-42Pin

QFN-24

Pin

Type

Description

RXM1

1

18

I/O

USB3.2RXDataNegative

Pin

RXP1

2

19

I/O

USB3.2RXDataPositive

Pin

V11A

3

20

I/O

1.1VAnalogSupply

VoltageforPHY

TXM1

4

21

I/O

USB3.2TXDataNegative

Pin

TXP1

5

22

I/O

USB3.2TXDataPositive

Pin

GND

6,12,18,20,22,

-

I/O

Ground

DD3118Datasheet

7

28,31,39,42

TXP2

7

-

I/O

USB3.2TXDataPositive

PinforTypeC

TXM2

8

-

I/O

USB3.2TXDataNegative

PinforTypeC

DM

9

23

I/O

USB2.0DataNegativePin

DP

10

24

I/O

USB2.0DataPositivePin

V33

11

1

I/O

3.3VAnalogSupply

VoltageforPHY

V33

13

I/O

LDO3.3VVoltageOutput

LED

14

2

I/O

LEDIndicator

V50

15,16

3

I/O

5.0VPowerInput

SD_VCC

17

4

I/O

SupplyVoltageforSD

TESTM

19

-

I/O

TestMode

SD_VCCIO

21,30

5,11

I/O

I/OPadVoltageforSD

SD_Dat[2]

23

6

I/O

DataLine2forSD

SD_Dat[3]

24

7

DataLine3forSD

SD_Dat[4]

25

-

DataLine4forSD

SD_CMD

26

8

CommandLineforSD

SD_Dat[5]

27

9

DataLine5forSD/SCL

SD_CLK

29

10

ClockSignalforSD

SD_Dat[6]

32

12

DataLine6forSD/SDA

SD_Dat[7]

33

-

DataLine7forSD

SD_Dat[0]

34

13

DataLine0forSD

SD_Dat[1]

35

14

DataLine1forSD

SD_CD

36

15

CardDetectforSD

SD_WP

37

16

WriteProtectionforSD

V11O

38

17

LDO1.1VVoltageOutput

RXP2

40

-

USB3.2RXDataPositive

PinforTypeC

RXM2

41

-

USB3.2RXDataNegative

PinforTypeC

Table1:PinDescription

DD3118Datasheet

PAGE

5

Electricalcharacteristics

AbsoluteMaximumRatings

Symbol

Descriptions

Min

Max

Unit

Remark

V50

5.0VPowerInput

4

5.5

V

-

V33

LDO3.3VVoltageOutput

2.7

3.6

V

-

V11O

LDO1.1VVoltageOutput

1.045

1.155

V

-

SD_VCCIO

I/OPadVoltageforSD

2.7

3.6

V

-

TOPR

OperatingTemperature

-20

125

℃

-

Table3:AbsoluteMaximumRatings

RecommendedOperatingConditions

Symbol

Description

Min

Typ

Max

Unit

V50

5.0VPowerInput

4

5

5.5

V

V33

LDO3.3VVoltageOutput

2.7

3.3

3.6

V

V11O

LDO1.1VVoltageOutput

1.045

1.1

1.155

V

SD_VCCIO

I/OPadVoltageforSD

2.7

3.3

3.6

V

TOPR

OperatingTemperature

-20

25

125

℃

Table4:RecommendedOperatingConditions

TimingDiagram

Figure5:TimingDiagramofPowerGoodtoUSBCommandReceiveReady

TimingDiagramParameter

Parameter

Description

Value

Unit

T1

PoweronInitialization

45

ms

T2

FirmwareLoadingTime

2

s

Table5:TimingDiagramParameter

PackageInformation

DD3118SQFN-42PackageInformation

Figure6:DD3118SPackageDimensions(QFN-42)

DD3118QFN-24PackageInformation

Notes：

Figure7:DD3118PackageDimensions(QFN-24)

Dimensionsinmillimeters（Anglesindegrees）.

ALLdimensionsdonotincludemoldflashorprotrusions.

AlldimensionsmeetJEDECSTANDARDMS-012F.

ProductOrderingInformation

OrderingInfo