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ATSAMA5D42
  • ATSAMA5D42

ATSAMA5D42

In Production

The SAMA5D4 series is a high-performance, ultra-low-power ARM Cortex-A5 processor-based MPU.  The Cortex-A5 runs up to 600MHz and features the ARM NEON SIMD engine, a 128KB L2 cache and a floating-point unit.  It supports multiple memories, including DDR2 and LPDDR2.  It integrates powerful peripherals for connectivity:  dual 10/100 EMACs, 3 HS USB ports, 2 SDIO/SD/MMC, 8 UARTs; and for user interface applications:  TFT LCD controller, touch controller, 720p hardware video decoder (H264, VP8, MPEG4) on the D43 and D44 derivatives, and a CMOS sensor (camera) interface.  These devices offer advanced security functions to protect customer code and secure external data transfers such as:  ARM TrustZone, tamper detection pins, a hardware encryption ...

Microchip Technology ATSAMA5D42 Product Info

16 April 2026 0

Parameters

ADC Resolution (bits)

12

ADC Sampling Rate (ksps)

320

Anti-Tampering Inputs

6

Secure Bootloader

Yes

CAN/CAN-FD

0

Type of CAN module

None

Camera Interface

Yes

Internal DRAM MB (megabyte)

0

Ext. DRAM Bus

32

Ext. DRAM Interface

LPDDR/DDR2/LPDDR2

Number of EBIs

1

ECC bits on NAND interface

24

FPU

Yes

Graphic LCD Interface

24-bit

Hardware RTCC/RTC

Yes

I/O Pins Max

152

Secure Key Storage (bits)

512

L1 Cache Memory (Data) (KB)

32

L1 Cache Memory (Instructions) (KB)

32

LIN

No

CPU Speed Max MHz (megahertz)

600

NAND Interface

Yes

Operation Voltage Max.(V)

1.98

Operation Voltage Min.(V)

1.62

Internal Oscillator

No

Part Family

SAMA5D4,SOC

QSPI

0

SDIO/SD-CARD/eMMC

2

Temp. Sensor

No

Watch Dog Timer

Yes

Direct Memory Access (DMA) Channels

38

Graphics Controller/GPU

Yes

Quadrature Encoder Interface

3

ADC Channels

5

Pincount

361

Crypto Engine

Yes

TempRange Min

-40

TempRange Max

85

Features

  • Low System Cost and High Value Integration:
  • 0.8mm ball pitch package reduces PCB design complexity
  • Simple power management scheme
  • Advanced Security:
  • Hardware encryption engin
  • Tamper pins and secure key storage
  • Extensive Ecosystem:
  • Free Linux® and Qt SDK
  • Complete set of C examples for non-OS users
  • Low-Cost Development board
  • Multiple third-party software and hardware partners

Description

The SAMA5D4 series is a high-performance, ultra-low-power ARM Cortex-A5 processor-based MPU.  The Cortex-A5 runs up to 600MHz and features the ARM NEON SIMD engine, a 128KB L2 cache and a floating-point unit.  It supports multiple memories, including DDR2 and LPDDR2.  It integrates powerful peripherals for connectivity:  dual 10/100 EMACs, 3 HS USB ports, 2 SDIO/SD/MMC, 8 UARTs; and for user interface applications:  TFT LCD controller, touch controller, 720p hardware video decoder (H264, VP8, MPEG4) on the D43 and D44 derivatives, and a CMOS sensor (camera) interface.  These devices offer advanced security functions to protect customer code and secure external data transfers such as:  ARM TrustZone, tamper detection pins, a hardware encryption engine supporting AES, 3DES, as well as secure Hash Algorithm (SHA) and True Random Number Generator (TRNG), secure data storage for private keys, on-the-fly decryption of code stored in external DDR and a secure boot loader.  These devices come with a free main-lined Linux distribution.

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