PIMXRT406LCAF4A datasheet(14/100 Pages) NXP

14 / 100 page

i.MX RT1020 Crossover Processors for Industrial Products, Rev. 2, 03/2021

NXP Semiconductors

Modules list

uSDHC1

uSDHC2

SD/MMC and SDXC

Enhanced Multi-Media

Card / Secure Digital Host

Controller

Connectivity

Peripherals

i.MX RT1020 specific SoC characteristics:

All four MMC/SD/SDIO controller IPs are identical and

are based on the uSDHC IP. They are:

• Fully compliant with MMC command/response sets

and Physical Layer as defined in the Multimedia

Card System Specification, v4.5/4.2/4.3/4.4/4.41/

including high-capacity (size > 2 GB) cards HC

MMC.

• Fully compliant with SD command/response sets

and Physical Layer as defined in the SD Memory

Card Specifications, v3.0 including high-capacity

SDXC cards up to 2 TB.

• Fully compliant with SDIO command/response sets

and interrupt/read-wait mode as defined in the SDIO

Card Specification, Part E1, v3.0

Two ports support:

• 1-bit or 4-bit transfer mode specifications for SD and

SDIO cards up to UHS-I SDR104 mode (104 MB/s

max)

• 1-bit, 4-bit, or 8-bit transfer mode specifications for

MMC cards up to 52 MHz in both SDR and DDR

modes (104 MB/s max)

• 4-bit transfer mode specifications for eMMC chips up

to 100 MHz in HS200 mode (100 MB/s max)

WDOG1

WDOG2

Watch Dog

Timer Peripherals

The Watch Dog Timer supports two comparison points

during each counting period. Each of the comparison

points is configurable to evoke an interrupt to the Arm

core, and a second point evokes an external event on

the WDOG line.

XBAR

Cross BAR

Cross Trigger

Each crossbar switch is an array of muxes with shared

inputs. Each mux output provides one output of the

crossbar. The number of inputs and the number of

muxes/outputs are user configurable and registers are

provided to select which of the shared inputs are routed

to each output.

Table 3. i.MX RT1020 modules list (continued)

Block mnemonic

Block name

Subsystem

Brief description

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