PIMXRT516SCVM2A datasheet(92/128 Pages) NXP

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i.MX RT1170 Crossover Processors Data Sheet for Consumer Products, Rev. 1, 05/2021

NXP Semiconductors

Electrical characteristics

4.9.3.4

HS200 mode timing

Figure 42 depicts the timing of HS200 mode, and Table 88 lists the HS200 timing characteristics.

Figure 42. HS200 mode timing

Table 87. SDR50/SDR104 interface timing specification

Parameter

Symbols

Min

Max

Unit

Card Input Clock

SD1

Clock Frequency Period

tCLK

5.0

—

SD2

Clock Low Time

tCL

0.46 x tCLK

0.54 x tCLK

SD3

Clock High Time

tCH

0.46 x tCLK

0.54 x tCLK

uSDHC Output/Card Inputs SD_CMD, SDx_DATAx in SDR50 (Reference to CLK)

SD4

uSDHC Output Delay

tOD

–3

uSDHC Output/Card Inputs SD_CMD, SDx_DATAx in SDR104 (Reference to CLK)

SD5

uSDHC Output Delay

tOD

–1.6

uSDHC Input/Card Outputs SD_CMD, SDx_DATAx in SDR50 (Reference to CLK)

SD6

uSDHC Input Setup Time

tISU

2.5

—

SD7

uSDHC Input Hold Time

tIH

1.5

—

uSDHC Input/Card Outputs SD_CMD, SDx_DATAx in SDR104 (Reference to CLK)1

1Data window in SDR104 mode is variable.

SD8

Card Output Data Window

tODW

0.5 x tCLK

—ns

SCK

8-bit output from uSDHC to eMMC

8-bit input from eMMC to uSDHC

SD8

SD5

SD2

SD3

SD1

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