Transcend Information TS1~2GUSD-S3 manual Bus Timing

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TS1~2GUSD-S3

microSD Memory Card + Reader S3

 

 

 

Bus Timing

Parameter

Symbol

Min

Max.

Unit

Remark

Clock CLK (All values are referred to min (VIH) and max (VIL)

 

Clock frequency Data Transfer Mode

fPP

0

25

MHz

CL ≤ 100 pF, (7 cards)

 

 

Clock frequency Identification Mode

fOD

0

400

KHz

CL ≤ 250 pF, (21 cards)

 

 

(The low freq. is required for MultiMediaCard

 

 

 

 

 

 

 

 

 

compatibility.)

 

 

 

 

 

 

 

 

 

Clock low time

tWL

10

 

 

ns

CL ≤ 100 pF, (7 cards)

 

 

 

 

50

 

 

ns

CL ≤ 250 pF, (21 cards)

 

 

Clock high time

tWH

10

 

 

ns

CL ≤ 100 pF, (7 cards)

 

 

 

 

50

 

 

ns

CL ≤ 250 pF, (21 cards)

 

 

Clock rise time

tTLH

 

 

10

ns

CL ≤ 100 pF, (7 cards)

 

 

 

 

 

 

50

ns

CL ≤ 250 pF, (21 cards)

 

 

Clock fall time

tTHL

 

 

10

ns

CL ≤ 100 pF, (7 cards)

 

 

 

 

 

 

50

ns

CL ≤ 250 pF, (21 cards)

 

 

Inputs CMD, DAT (referenced to CLK)

 

 

 

 

 

 

 

 

 

Input set-up time

tISU

5

 

 

ns

CL ≤ 25 pF, (1 cards)

 

 

Input hold time

tIH

5

 

 

ns

CL ≤ 25 pF, (1 cards)

 

 

Outputs CMD, DAT (referenced to CLK)

 

 

 

 

 

 

 

 

 

Output Delay time

tODLY

 

0

 

14

ns

CL ≤ 25 pF, (1 cards)

 

 

 

 

 

 

 

 

 

 

 

Transcend Information Inc.

 

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Contents Placement Description FeaturesMicroSD Memory Card + Reader S3 Pin DefinitionArchitecture Bus Operating Conditions General Power Supply VoltageBus Signal Line Load Parameter Symbol Min Max Unit Remark Bus Signal LevelsBus Timing Reliability and Durability OCR register Register InformationOID MIDPNM PRVCSD Register CRCTaac CsdstructureCCC NsacTranspeed Readblpartial always = 1 in SD Memory Card ReadbllenWriteblkmisalign ReadblkmisalignVDDRCURRMIN, Vddwcurrmin CsizeVDDRCURRMAX, Vddwcurrmax CsizemultSectorsize EraseblkenWpgrpsize WpgrpenableR2WFACTOR WritebllenFileformatgrp WriteblpartialCopy PermwriteprotectTS1~2GUSD-S3 DSR Register Optional RCA RegisterSdspec SCR RegisterScrstructure Sdbuswidths DatastataftereraseSdsecurity Mechanical Description Top View Mechanical Description Bottom View Mechanical Description Keep Out Area MicroSD package Dimensions System Requirements Placement DimensionsMicroSD Reader S3 Pin Identification Block DiagramPinouts General DC Characteristics Bus Signal Level

TS1~2GUSD-S3 specifications

Transcend Information's TS1~2GUSD-S3 is a compact and reliable storage solution designed for those seeking high performance and durability in flash memory cards. With a storage capacity of up to 2GB, this SD card is perfect for various applications, including digital cameras, smartphones, tablets, and other portable devices.

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