IMX28AEC datasheet(3/72 Pages) FREESCALE

3 / 72 page

i.MX28 Applications Processors Data Sheet for Automotive Products, Rev. 1

Freescale Semiconductor

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Power Management Unit (PMU) supports a triple output DC-DC switching converter, multiple

linear regulators, battery charger, and detector.

•

16-channel Low-Resolution A/D Converter (LRADC)

•

4/5-wire touchscreen controller

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Up to 8X8 keypad matrix with button-detect circuit

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Single channel High Speed A/D Converter (HSADC), up to 2 Msps data rate

•

Security features:

— Read-only unique ID for Digital Rights Management (DRM) algorithms

— Secure boot using 128-bit AES hardware decryption

— SHA-1 and SHA256 hashing hardware

— High assurance boot (HAB4)

•

Offered in 289-pin Ball Grid Array (BGA)

1.2

Ordering Information & Functional Part Differences

Table 1 provides the ordering information for the i.MX28.

Table 2 provides the functional differences between the i.MX281 and the i.MX285.

Table 1. Ordering Information

Part Number

Projected Temperature Range (

°C)

Package

MCIMX281AVM4B

–40 to +85

14 x 14 mm, 0.8 mm pitch, MAPBGA-289

MCIMX285AVM4B

–40 to +85

14 x 14 mm, 0.8 mm pitch, MAPBGA-289

Table 2. i.MX28 Functional Differences

Function

i.MX281

i.MX285

LCD Interface

—

Yes

Touch Screen

—

Yes

Ethernet

CAN

12-bit ADC

High-speed ADC

USB 2.0

OTG HS with HS PHY x1

HS Host with HS PHY x1

SDIO

SPI

Application UART

Debug UART

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