LPC1850 datasheet(113/142 Pages) NXP

Part #	LPC1850

Description	32-bit ARM Cortex-M3 MCU; up to 200 kB SRAM; Ethernet, two High-speed USB, LCD, and external memory controller

PDF	142 Pages

Scroll/Zoom	100%

Manufacturer	NXP [NXP Semiconductors]

Direct Link	http://www.nxp.com

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113 / 142 page

LPC1850_30_20_10

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Preliminary data sheet

Rev. 2.2 — 9 September 2011

113 of 142

NXP Semiconductors

LPC1850/30/20/10

32-bit ARM Cortex-M3 microcontroller

11.9 SD/MMC

Table 20.

Dynamic characteristics: SD/MMC

Tamb = 40 C to 85 C, VDD(REG)(3V3) = 3.0 V to 3.6 V. Values guaranteed by design.

Symbol

Parameter

Conditions

Min

Max

Unit

fclk

clock frequency

on pin SD_CLK; data transfer mode

MHz

on pin SD_CLK; identification mode

MHz

tsu(D)

data input set-up

time

on pins SD_CMD, SD_DATn as

inputs

th(D)

data input hold time on pins SD_CMD, SD_DATn as

inputs

td(QV)

data output valid

delay time

on pins SD_CMD, SD_DATn as

outputs

-23

th(Q)

data output hold

time

on pins SD_CMD, SD_DATn as

outputs

3.5

Fig 41. SD/MMC timing

002aag204

SD_CLK

SD_DATn (O)

SD_DATn (I)

td(QV)

th(D)

tsu(D)

Tcy(clk)

th(Q)

SD_CMD (O)

SD_CMD (I)

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