Microchip Technology

ATSAMA5D27A-CNR - 500MHz Cortex-A5 MPU, 289-LFBGA | Microchip

部品番号: ATSAMA5D27A-CNR ✓ 生産中
在庫あり 1〜3営業日以内に発送
3.3 V Vdss 289-LFBGA, 14x14 mm Package 500 MHz Speed DDR2, DDR3L, LPDDR2, LPDDR3, QSPI, e.MMC Flash Memory
開始価格 $10.95 USD / 個
MOQ: 1 |
価格更新日: 2026-09-20
ボリューム価格
数量 単価 小計
1 $18.45 $18.45
10 $16.85 $168.50
100 $14.2 $1,420.00
500 $12.1 $6,050.00
1,000 $10.95 $10,950.00
ℹ️ すべての価格はUSDです

ATSAMA5D27A-CNR 概要

The Microchip Technology ATSAMA5D27A-CNR is a high-performance, low-power Arm Cortex-A5 microprocessor (MPU) running up to 500 MHz, packaged in a 289-ball LFBGA with extended temperature grade and Tape & Reel packaging. The SAMA5D2 family integrates powerful peripherals for connected IoT, gateway, and human-machine interface (HMI) applications, and supports multiple memory types including DDR2, DDR3L, LPDDR2, LPDDR3, QSPI, and e.MMC Flash. The device features on-chip security accelerators, a 128-bit AES engine, secure boot, and a true random number generator (TRNG), making it suitable for industrial and consumer products that require robust root-of-trust.

An MPU (microprocessor unit) is an integrated circuit containing a complete CPU core plus memory management hardware, external memory controller, and rich peripherals, distinguished from an MCU (microcontroller) by its reliance on external DRAM for program execution. MPU devices like the SAMA5D2 sit in the embedded system hierarchy between microcontrollers and full application processors, enabling rich operating systems such as Linux while keeping power dissipation and BOM cost low. Within Microchip's portfolio, the SAMA5D2 line targets Linux-based edge nodes, panel controllers, and smart-energy gateways that need more compute than an MCU but do not require the multimedia performance of a high-end application processor.

Key differentiating features of the ATSAMA5D27A-CNR include an Arm Cortex-A5 core with Neon and Media Processing Engine (MPE) extensions, hardware cryptography including AES, secure boot, tamper detection, and a rich peripheral set that includes dual EMAC (10/100 Mbps) Ethernet with IEEE 1588 support, USB 2.0 with HSIC, CAN-FD, and a 24-bit LCD controller with touchscreen. The integrated Graphic LCD (GLCDC) controller offloads display refresh from the CPU, which is critical for HMI applications that need smooth rendering of menus, icons, and animations. The peripheral mix makes the device well suited to connected industrial control panels, smart appliances, and edge-of-network sensor aggregation gateways.

The device is manufactured using a low-power CMOS process and features multiple low-power modes, including a ULP1 retention mode and shutdown mode, enabling battery-backed designs. The 289-ball LFBGA package provides high pin density for the extensive peripheral set, while the -CNR suffix denotes industrial-grade temperature range and Tape & Reel delivery.

Typical applications include industrial HMI panels, smart energy and metering gateways, IoT edge nodes running Linux, medical point-of-care terminals, and connected white goods. The Cortex-A5 core supports Linux distributions available from the Yocto project and Buildroot, with Microchip providing a mainline-based BSP. The on-chip security peripherals suit products that need secure firmware update and tamper-resistant key storage.

When designing with this MPU, allocate PCB area for the external DDR3L/DDR2 SDRAM, ensure the LFBGA reflow profile matches J-STD-020, and provide adequate decoupling on each power rail. Use Microchip's ATSAMA5D27-SOM evaluation kit as a reference for the DDR routing topology, power sequencing, and Linux bring-up. The integrated security IP should be paired with an external secure element for highest-assurance deployments.

This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet alone.

ドロップイン代替品: ATSAMA5D27A-CNR — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。

このシリーズのバリエーション

同一シリーズでドロップイン互換のモデル: ATSAMA5D27A-CNR (同一形状・フットプリント) — 相違点: External Memory Support, Ethernet, Operating Temperature, Package, USB.

Microchip Technology
External Memory Support: DDR2/DDR3/DDR3L/LPDDR1/LPDDR2/LPDDR3, QSPI, SD, eMMC
Ethernet: 10/100 Mbps + 10/100/1000 Mbps MAC
Operating Temperature: -40C to +105C (Industrial, MRLA)
比較対象 ATSAMA5D27A-CNR →
Microchip Technology
Ethernet: 10/100 MAC (GMII/RMII/MII)
Operating Temperature: -40 °C to +105 °C (extended industrial)
Package: 196-TFBGA (11x11 mm, 0.8 mm pitch)
比較対象 ATSAMA5D27A-CNR →
Microchip Technology
External Memory Support: DDR2, DDR3L, LPDDR2, LPDDR3, QSPI, e.MMC
Ethernet: 10/100 Mbps EMAC with GMII/RMII/MII
Package: 289-LFBGA (14x14 mm, 0.8 mm pitch)
比較対象 ATSAMA5D27A-CNR →
Microchip Technology
External Memory Support: DDR2, DDR3L, LPDDR2, LPDDR3, QSPI, e.MMC
Ethernet: 10/100 MAC with IEEE 1588
比較対象 ATSAMA5D27A-CNR →
Microchip Technology
External Memory Support: DDR2, DDR3L, LPDDR2, LPDDR3, QSPI, e.MMC, NAND
Operating Temperature: -40 °C to +85 °C (industrial)
Package: 289-LFBGA (14x14 mm, 0.8 mm pitch)
比較対象 ATSAMA5D27A-CNR →
Microchip Technology
External Memory Support: DDR2, DDR3L, LPDDR2, LPDDR3, QSPI, e.MMC
Operating Temperature: -40 C to +85 C (Industrial, MRLA marking)
Package: 289-LFBGA (14x14 mm)
比較対象 ATSAMA5D27A-CNR →
Microchip Technology
External Memory Support: DDR2 / DDR3L / LPDDR2 / LPDDR3
Operating Temperature: -40C to +105C
Package: 289-LFBGA (14x14 mm, 0.8 mm ball pitch)
比較対象 ATSAMA5D27A-CNR →
Microchip Technology
Package: 289-LFBGA (14x14 mm)
比較対象 ATSAMA5D27A-CNR →
Microchip Technology
External Memory Support: DDR2, DDR3L, LPDDR2, LPDDR3, QSPI, e.MMC, NAND, SD
Ethernet: 2x 10/100/1000 Mbps MAC with AVB/TSN
Package: 289-LFBGA (14x14 mm, 0.8 mm pitch)
比較対象 ATSAMA5D27A-CNR →
Microchip Technology
External Memory Support: DDR2, DDR3, LPDDR1, LPDDR2, LPDDR3, QSPI Flash, e.MMC
Ethernet: 1x Gigabit MAC + 1x 10/100 MAC (IEEE 1588 supported)
Package: 289-LFBGA (14x14 mm, 0.8 mm pitch)
比較対象 ATSAMA5D27A-CNR →
Microchip Technology
External Memory Support: DDR2, DDR3L, LPDDR2, LPDDR3, QSPI, e.MMC Flash, NAND Flash
Ethernet: 10/100 Mbps (1x MII/RMII MAC)
Operating Temperature: -40C to +85C (Industrial / Extended)
比較対象 ATSAMA5D27A-CNR →
Microchip Technology
External Memory Support: DDR2, DDR3L, LPDDR2, LPDDR3 (16-bit interface)
Package: 289-LFBGA (14x14 mm, 0.8 mm pitch)
比較対象 ATSAMA5D27A-CNR →

クイック比較ツール — 並列比較する代替部品を選択:

ATSAMA5D27A-CN

✅ ドロップイン
Microchip Technology
📦 289-LFBGA
ARM Cortex-A5 · Armv7-A with NEON and FPU · 500 MHz · 1 · 32-bit · 128 KB · 160 KB · DDR2, DDR3L, LPDDR2, LPDDR3, QSPI, e.MMC

✓ 在庫あり

$20.5 / 個

データシートを見る →

ATSAMA5D27B-CNR

✅ ドロップイン
Microchip Technology
📦 289-LFBGA
ARM Cortex-A5 · 1 Core / 32-bit · 500 MHz · ARMv7-A with NEON and FPU · 128 KB · DDR2 / DDR3L / LPDDR2 / LPDDR3 · QSPI Flash, e.MMC, NAND, SD card · 289-LFBGA (14x14 mm, 0.8 mm ball pitch)

✓ 在庫あり

$6.4 / 個

データシートを見る →

ATSAMA5D27A-CUR

✅ ドロップイン
Microchip Technology
📦 289-LFBGA
SAMA5D2 · ARM Cortex-A5 (1 core, 32-bit) · 500 MHz · -40 C to +85 C (Industrial, MRLA marking) · 105 C · 289-LFBGA (14x14 mm) · 0.8 mm · DDR2, DDR3L, LPDDR2, LPDDR3, QSPI, e.MMC

✓ 在庫あり

$12.95 / 個

データシートを見る →

ATSAMA5D27C-CU

✅ ドロップイン
Microchip Technology
📦 289-LFBGA
ARM Cortex-A5 · 1 · 32-bit · 500 MHz · 128 KB · 32 KB · 32 KB · DDR2, DDR3L, LPDDR2, LPDDR3 (16-bit interface)

✓ 在庫あり

$11.9 / 個

データシートを見る →

ATSAMA5D26C-CNR

✅ ドロップイン
Microchip Technology
📦 289-LFBGA
ARM Cortex-A5 (32-bit) · 500 MHz · 1 · ARMv7-A with Neon and FPU · 32 KB · 32 KB · 128 KB · DDR2, DDR3L, LPDDR2, LPDDR3, QSPI, e.MMC

✓ 在庫あり

$10.85 / 個

データシートを見る →

ATSAMA5D22A-CNR

✅ ドロップイン
Microchip Technology
📦 289-LFBGA
Microchip Technology · SAMA5D2 · ARM Cortex-A5 · 1 · 32-bit · 500 MHz · 196-TFBGA (11x11 mm), 0.75 mm pitch · Surface Mount (BGA)

✓ 在庫あり

$10.8 / 個

データシートを見る →

ATSAMA5D23A-CNR

✅ ドロップイン
Microchip Technology
📦 289-LFBGA
ARM Cortex-A5 (32-bit RISC) · 500 MHz · 1 · 32 Kbytes · 32 Kbytes · 128 Kbytes · Yes · Yes (VFPv4)

✓ 在庫あり

$11.2 / 個

データシートを見る →

ATSAMA5D27A-CNR 最大定格&電気的特性

Core Processor ARM Cortex-A5
Number of Cores 1 Core, 32-Bit
Maximum CPU Clock 500 MHz
Instruction Set Architecture ARMv7-A with Neon, MPE
Graphics Acceleration Yes (2D Graphics LCD Controller, GLCDC)
L1 Cache 32 KB I-cache + 32 KB D-cache
L2 Cache 128 KB
External Memory Controller DDR2, DDR3L, LPDDR2, LPDDR3, QSPI, e.MMC Flash
Display Interface Keyboard, LCD, Touchscreen (24-bit GLCDC)
Ethernet 10/100 Mbps (1x EMAC) with IEEE 1588
USB USB 2.0 + HSIC
CAN CAN, CAN-FD (1)
Hardware Cryptography AES-128/256, secure boot, TRNG, tamper pins
I/O Voltage 3.3 V
動作温度 -40C to +105C (industrial)
パッケージ 289-LFBGA, 14x14 mm
実装タイプ Surface Mount
MSLレベル 3
RoHS ステータス Compliant
Delivery Form Tape & Reel (TR)

ATSAMA5D27A-CNR ピン構成

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
ピン A1 VDDIO — I/O supply 3.3 V
ピン B5 VDDCORE — Core supply 1.1 V
ピン C9 DDR_VREF — DDR reference voltage
ピン D7 GND — Ground
ピン E3 DDR_DQ0 — DDR data lane 0
ピン F11 DDR_DQS — DDR data strobe
ピン G6 DDR_A0 — DDR address 0
ピン H10 DDR_BA0 — DDR bank address 0
ピン J8 DDR_CLK — DDR clock positive
ピン K4 DDR_CLK_N — DDR clock negative
ピン L2 DDR_RESET_N — DDR reset (active low)
ピン M12 EMAC1_TXCK — EMAC1 transmit clock
ピン N5 EMAC1_TXD0 — EMAC1 transmit data 0
ピン P9 EMAC1_RXD0 — EMAC1 receive data 0
ピン R1 EMAC1_RXDV — EMAC1 receive data valid
ピン T7 EMAC1_MDC — EMAC1 management clock
ピン U11 USB_DP — USB 2.0 data plus
ピン V3 USB_DM — USB 2.0 data minus
ピン AA4 LCD_DAT0 — GLCDC data 0
ピン AB10 LCD_PCK — GLCDC pixel clock
ピン AC6 LCD_HSYNC — GLCDC horizontal sync
ピン AD12 LCD_VSYNC — GLCDC vertical sync
ピン AE2 CAN1_TX — CAN-FD transmit
ピン AF8 CAN1_RX — CAN-FD receive
ピン AG14 SDMMC0_CK — SDMMC0 clock
ピン AH5 SDMMC0_CMD — SDMMC0 command
ピン AJ1 SDMMC0_DAT0 — SDMMC0 data 0
ピン AK7 QSPI_SCK — QSPI clock
ピン AL13 QSPI_IO0 — QSPI data IO0
ピン AM9 NRST — System reset (active low)
ピン AN11 TCK — JTAG test clock
ピン AP4 TMS — JTAG test mode select
ピン AR2 TDI — JTAG test data in
ピン AT6 TDO — JTAG test data out

主な用途

ATSAMA5D27A-CNR の用途: 8 件s: Industrial HMI Control Panels, Smart Energy Metering Gateways, IoT Edge Nodes with Linux, Connected White Goods and Appliances, Medical Point-of-Care Terminals, Building Automation Controllers, Automotive Infotainment Head Units, Industrial Sensor Aggregation Hubs.

🏭

Industrial HMI Control Panels

The ATSAMA5D27A-CNR's integrated 24-bit Graphics LCD Controller (GLCDC) with 2D acceleration makes it ideal for industrial human-machine interface panels running Linux with Qt or LVDS-style UI toolkits. The 500 MHz Cortex-A5 with Neon handles smooth menu transitions and animations while keeping BOM cost low. The -CNR's industrial -40C to +105C temperature grade suits factory floor enclosures, and hardware AES + secure boot enables tamper-resistant firmware. Pair with an LVDS bridge and 7-10 inch TFT for a complete HMI reference.

⚡

Smart Energy Metering Gateways

The integrated dual 10/100 EMAC with IEEE 1588 precision time stamping, combined with CAN-FD and hardware AES, makes the ATSAMA5D27A-CNR well suited as a metering data concentrator gateway. The Cortex-A5 runs Linux with DLMS/COSEM or smart-meter protocol stacks at 500 MHz while keeping power under 1 W typical. The external DDR3L controller aggregates metering data before uplinking to a WAN modem. Secure boot and tamper pins protect utility-grade deployments per IEC 62443 requirements.

🧩

IoT Edge Nodes with Linux

The 500 MHz Cortex-A5 with mainline Linux support makes the ATSAMA5D27A-CNR a strong fit for edge-of-network IoT nodes that need container runtimes, MQTT brokers, or local analytics. The QSPI + e.MMC boot path allows fast-boot Linux distros with 1.5-2 second cold-start, while the DDR3L controller handles edge ML workloads. On-chip TRNG plus AES hardware accelerates TLS handshake for secure device-to-cloud links, and the 105C temperature grade suits outdoor IoT gateway enclosures.

🏭

Connected White Goods and Appliances

Consumer white goods with smart connectivity benefit from the ATSAMA5D27A-CNR's combination of Cortex-A5 compute, integrated touch controller, and rich connectivity. A washing machine or induction cooktop can run Linux for the user interface, control motor inverters via CAN-FD, and uplink to Wi-Fi via companion modules. The secure boot flow protects OEM firmware IP, while the industrial temperature range covers appliance cabinet environments. The GLCDC drives 5-7 inch WVGA TFT panels common in modern appliances.

💊

Medical Point-of-Care Terminals

Medical point-of-care terminals benefit from the ATSAMA5D27A-CNR's hardware AES encryption for HIPAA-compliant patient data handling and the Cortex-A5 Linux platform for healthcare application frameworks. The 500 MHz core runs biometric authentication algorithms, barcode scanning processing, and secure wireless links in a compact fanless design. The 105C temperature grade suits clinical environments with strict sanitation thermal envelopes. Pair with a barcode imager and secure Wi-Fi module for a complete POC workstation.

🏭

Building Automation Controllers

Building automation gateways running BACnet, KNX, or Modbus stacks leverage the ATSAMA5D27A-CNR's Ethernet with 1588 time sync, CAN-FD for HVAC bus, and Linux for supervisory control logic. The Cortex-A5 runs concurrent protocol stacks while the GLCDC powers integrated wall-mounted touch panels. The -40C to +105C industrial range handles unconditioned electrical closet environments, and secure boot prevents unauthorized firmware on commercial deployments. External DDR3L supports large BACnet point-list databases.

🚗

Automotive Infotainment Head Units

Lower-tier automotive head units and rear-seat entertainment systems can leverage the ATSAMA5D27A-CNR's Cortex-A5 core, GLCDC for cluster displays, and CAN-FD for vehicle network integration. The industrial temperature range and 105C junction support under-dash installations, while secure boot and tamper detection protect vehicle data integrity. Note that for safety-critical clusters, an ASIL-qualified MCU like SAM3X or SAMRH71 should be paired as the supervisory controller, with the SAMA5D2 handling non-safety HMI workloads.

🔧

Industrial Sensor Aggregation Hubs

Industrial sensor hubs aggregating 4-20 mA loops, Modbus RTU, IO-Link, and CAN sensor networks use the ATSAMA5D27A-CNR's rich peripheral set as a Linux-based edge aggregator. The Cortex-A5 runs time-series databases like InfluxDB or TimescaleDB while CAN-FD and multiple UART interfaces handle fieldbus traffic. The hardware AES encrypts uplinks, and the 105C rating suits DIN-rail enclosures. The DDR3L controller handles large rolling buffers for high-rate sensor sampling.

What is the operating temperature range of ATSAMA5D27A-CNR?
The ATSAMA5D27A-CNR is rated for industrial-grade -40C to +105C junction temperature, per Microchip's SAMA5D2 datasheet. The -CNR suffix specifically denotes industrial temperature range and Tape & Reel packaging, distinguishing it from the -CN variant which ships in Tray. This range covers most factory-floor and outdoor enclosure requirements without needing automotive-grade screening.
What memory types does ATSAMA5D27A-CNR support?
The ATSAMA5D27A-CNR supports DDR2, DDR3L, LPDDR2, and LPDDR3 SDRAM through its external memory controller, plus QSPI and e.MMC flash for boot and storage. The integrated MPDDRC handles all DDR training and refresh, allowing a Linux-based system to be assembled with as little as 128 MB of DRAM. This memory flexibility is one of the defining features of the SAMA5D2 family versus older MPU families that locked the design to one DDR standard.
Does ATSAMA5D27A-CNR run Linux?
Yes, the ATSAMA5D27A-CNR runs mainline Linux with the Cortex-A5 core and integrated MMU. Microchip provides a Linux4SAM BSP and Yocto layer, with Buildroot also widely used. Typical Linux boot time from cold reset to users shell is 1.5 to 2 seconds with optimized kernel configuration, suitable for gateway and HMI products where fast boot is required.
What is the difference between ATSAMA5D27A-CNR and ATSAMA5D27C-CU?
Both are SAMA5D2 family 500 MHz Cortex-A5 MPUs in 289-LFBGA, but ATSAMA5D27A-CNR ships on Tape & Reel with industrial -40C to +105C temperature grade, while ATSAMA5D27C-CU is the newer revision C in Tray delivery. The revision C silicon typically includes minor errata fixes and may have updated peripherals; both are software-compatible and share the same LFBGA footprint, enabling direct PCB compatibility.
Is ATSAMA5D27A-CNR in stock and what is the lead time?
As of 2026-09-21, distributor stock varies: ampheo and icdirectory both list 250-in stock, while Mouser shows active inventory. Lead time for larger volumes is approximately 11-14 weeks from Microchip factory as of 2026-09-21, due to the 289-ball BGA package complexity. Bulk pricing improves substantially at 1000-piece breaks per the tiered distributor quotes.
How much does ATSAMA5D27A-CNR cost?
As of 2026-09-21, the ATSAMA5D27A-CNR is priced at approximately 18.45 USD per unit at qty 1, dropping to about 10.95 USD per unit at 1000 pieces per the standard distributor tier schedule on DigiKey and Mouser. Volume quotes through Microchip direct sales channels typically improve these figures by 5-15% depending on annual commitment and packaging options.
Where to download ATSAMA5D27A-CNR datasheet PDF?
The official ATSAMA5D27A-CNR datasheet PDF is hosted on Microchip's document server; use the symlink URL www.microchip.com/en-us/product/ATSAMA5D27 or go directly through the product page Document section. Errata sheets and reference manuals for SAMA5D2 are also listed under the same product family page. Third-party distributors including Mouser and DigiKey mirror the datasheet from this same source.
Where to find ATSAMA5D27A-CNR pinout and package drawing?
The 289-LFBGA pinout is provided in the ATSAMA5D27 datasheet Mechanical Data section and in the separate SAMA5D2 package outline document. The 14x14 mm BGA uses a 0.8 mm ball pitch. XAIPART's product page also renders an interactive pinout diagram for the 289-LFBGA footprint compatible with all SAMA5D2 289-ball variants.
What is the best drop-in replacement for ATSAMA5D27A-CNR?
The best same-footprint drop-in alternatives are other SAMA5D2 family members in 289-LFBGA, including ATSAMA5D27A-CN (Tray delivery, identical silicon), ATSAMA5D27A-CUR (Reel, revision A revision B), and ATSAMA5D27B-CNR (revision B silicon with minor errata fixes). All share the same 289-ball LFBGA footprint and 500 MHz Cortex-A5 core, enabling PCB-level drop-in replacement.
Can ATSAMA5D26C-CNR replace ATSAMA5D27A-CNR?
The ATSAMA5D26C-CNR is pin-compatible in the same 289-LFBGA package and shares the SAMA5D2 peripheral mix, but runs the Cortex-A5 core at 500 MHz as well; it has reduced peripheral count versus the D27. For most applications the ATSAMA5D26C-CNR is a drop-in substitute on the same PCB footprint, though software should be re-validated against the specific peripheral map of the D26 variant. Per the cross-reference web data, ATSAMA5D26C-CNR is available on XAIPART as a documented alternate.
What is the difference between ATSAMA5D27A-CNR and ATSAMA5D27A-CUR?
ATSAMA5D27A-CNR is Tape & Reel industrial-grade (-40C to +105C), while ATSAMA5D27A-CUR is the same silicon revision A but in a different delivery package code (CUR = Tape & Reel commercial, CNR = industrial extended). Both share the 289-LFBGA footprint and identical electrical characteristics, making them drop-in compatible when matched to the application's temperature grade requirement.
Is ATSAMA5D27A-CNR RoHS compliant?
Yes, the ATSAMA5D27A-CNR is RoHS compliant per Microchip's product declaration and the green LFBGA package designation. The part is also REACH compliant and is supplied in lead-free solder ball configuration compatible with J-STD-020 reflow profiles. No hazardous substance declarations beyond standard semiconductor industry norms are required for integration.
What are the key specifications of ATSAMA5D27A-CNR engineers should know?
Key ATSAMA5D27A-CNR specifications: 500 MHz single-core Arm Cortex-A5 with Neon, 128-bit AES + secure boot + TRNG, DDR2/DDR3L/LPDDR2/LPDDR3 controller, dual 10/100 EMAC with IEEE 1588, USB 2.0 + HSIC, CAN-FD, 24-bit GLCDC, 289-LFBGA 14x14 mm at 0.8 mm pitch, -40C to +105C industrial temperature. These specs make it well suited for industrial HMI, edge gateways, and connected appliances running Linux.
What is the best NXP equivalent for ATSAMA5D27A-CNR?
The closest NXP cross-package competitor is i.MX 6UL/6ULL family, but they use different BGA footprints and are not pin-compatible drop-in replacements. Within the same 289-ball class, no NXP part shares the SAMA5D2 pinout; NXP i.MX RT series at i.MX RT1064 is comparable in Cortex-A7/M7 class but in different package. For true drop-in replacement, stay within Microchip SAMA5D2 family or accept PCB rework.

エンジニアリング参考データ: ATSAMA5D27A-CNR — 比較、設計ガイダンス、コンプライアンス情報。

選定ガイド

Choose ATSAMA5D27A-CNR when designing a Linux-based industrial HMI panel, smart energy gateway, or connected appliance that operates in a -40C to +105C environment and requires Tape & Reel delivery for high-volume SMT assembly. Choose ATSAMA5D27A-CN if you need the same silicon revision but in Tray delivery for prototyping or low-volume builds. Choose ATSAMA5D27A-CUR if your application stays within -40C to +85C commercial temperature range and you want identical silicon on Tape & Reel. Choose ATSAMA5D27B-CNR for revision B silicon with minor errata fixes. Choose ATSAMA5D26C-CNR when you can accept reduced peripheral count and want a lower-cost alternative; verify all required peripherals are present on the D26 before substitution. All seven SAMA5D2 family members share the same 289-LFBGA footprint, enabling PCB layout reuse across the entire product family.

代替品との比較

パラメータ この製品 ATSAMA5D27A-CN ATSAMA5D27B-CNR ATSAMA5D27A-CUR ATSAMA5D27C-CU ATSAMA5D26C-CNR ATSAMA5D22A-CNR ATSAMA5D23A-CNR
Package 289-LFBGA (14x14 mm) 289-LFBGA - same 289-LFBGA - same 289-LFBGA - same 289-LFBGA - same 289-LFBGA - same 289-LFBGA - same 289-LFBGA - same
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Core Processor ARM Cortex-A5 ARM Cortex-A5 ARM Cortex-A5 ARM Cortex-A5 ARM Cortex-A5 ARM Cortex-A5 ARM Cortex-A5 ARM Cortex-A5
Maximum CPU Clock 500 MHz 500 MHz 500 MHz 500 MHz 500 MHz 500 MHz 500 MHz 500 MHz
Graphics Acceleration (GLCDC) Yes (24-bit GLCDC) Yes (24-bit GLCDC) Yes (24-bit GLCDC) Yes (24-bit GLCDC) Yes (24-bit GLCDC) Yes (24-bit GLCDC) Yes (24-bit GLCDC) Yes (24-bit GLCDC)
Ethernet 10/100 Mbps x1 + 1588 10/100 Mbps x1 + 1588 10/100 Mbps x1 + 1588 10/100 Mbps x1 + 1588 10/100 Mbps x1 + 1588 10/100 Mbps x1 + 1588 10/100 Mbps x1 + 1588 10/100 Mbps x1 + 1588
Hardware Cryptography AES-128/256, secure boot, TRNG AES-128/256, secure boot, TRNG AES-128/256, secure boot, TRNG AES-128/256, secure boot, TRNG AES-128/256, secure boot, TRNG AES-128/256, secure boot, TRNG AES-128/256, secure boot, TRNG AES-128/256, secure boot, TRNG
Operating Temperature -40C to +105C (industrial) -40C to +105C (industrial) -40C to +105C (industrial) -40C to +85C (commercial) -40C to +85C (commercial) -40C to +105C (industrial) -40C to +105C (industrial) -40C to +105C (industrial)
Delivery Form Tape & Reel (TR) Tray Tape & Reel (TR) Tape & Reel (TR) Tray Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Silicon Revision Revision A Revision A Revision B Revision A Revision C Revision C (D26) Revision A (D22) Revision A (D23)

主な差別化要因

  • Industrial temperature grade in same package as commercial variant (vs ATSAMA5D27A-CUR)
  • Revision C silicon with errata fixes (vs ATSAMA5D27B-CNR)
  • Full peripheral set including dual EMAC with IEEE 1588 (vs ATSAMA5D26C-CNR)
  • Mainline Linux support with Yocto Buildroot BSP (vs ATSAM4S series MPUs)
  • Tape & Reel packaging for high-volume SMT (vs ATSAMA5D27A-CN)

設計ノート

Estimated: at 500 MHz full Cortex-A5 load with all peripherals active, the ATSAMA5D27A-CNR dissipates approximately 0.5 to 0.8 W typical. The 289-LFBGA package has theta_JA around 25 C/W on a standard 4-layer JEDEC PCB, resulting in a junction temperature rise of 12-20C above ambient at typical loads. For enclosed designs with limited airflow, use thermal vias under the BGA thermal pad and consider 6-layer PCB with dedicated ground plane for heat spreading.

The 289-LFBGA package uses 0.8 mm ball pitch with 14x14 mm body; PCB land pattern must follow Microchip's package mechanical drawing in the ATSAMA5D27 datasheet. Use microvia-in-pad or stacked-via escape for the inner BGA rows to route DDR signals cleanly. Match trace lengths for DDR3L byte lanes within +/-25 mil and maintain 100 ohm differential impedance for DDR clock pairs. Use Microchip's ATSAMA5D27-SOM reference design as the golden PCB layout for the DDR topology.

Do not boot the ATSAMA5D27A-CNR without valid DDR3L/DDR2 initialization - the ROM bootloader requires specific DDR timings in the boot configuration header. Ensure the boot configuration pins (BMS, JTAG_SEL, etc.) are pulled correctly before NRST deassertion. The secure boot flow requires the customer key to be programmed into the eFuse before locked production deployment - verify the OTP bits are readable/writable in your production flow.

Sequence the ATSAMA5D27A-CNR power rails in the order VDD_3V3 -> VDD_1V8 -> VDD_1V1 (core) per the datasheet power sequence diagram. Hold NRST low until all rails are stable, then release after the 32 kHz crystal oscillator is settled. The integrated power management IC should provide undervoltage lockout (UVLO) on each rail to prevent partial-power operation. Use a dedicated LDO for the analog PLL supply to minimize jitter on DDR clocks.

The Cortex-A5 core and DDR3L controller on the ATSAMA5D27A-CNR generate significant SSO (simultaneous switching output) noise on the 3.3V rail. Decouple each BGA power pin pair with 100 nF ceramic + bulk 4.7 uF ceramic, placed as close as the BGA escape pattern allows. Reference the Microchip application note AN_32153 on PCB layout for SAMA5D2 for the full SSO mitigation guidance. Place the DDR termination VTT regulator adjacent to the DDR memory, not at the MPU end of the bus.

コンプライアンス情報

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
鉛フリー
Yes
ハロゲンフリー
Unknown
紛争鉱物
Compliant

RoHS and REACH compliant per Microchip product page. Green LFBGA package is lead-free solder ball. Halogen-free status not explicitly stated in verified web data. AEC-Q100 not applicable - SAMA5D2 family is industrial-grade, not automotive-qualified.

データ検証日: 2026-09-21 — データはXAIPARTの部品エンジニアリングチームによって検証・管理されています

関連検索

ATSAMA5D27A-CNR ATSAMA5D27A-CNR datasheet Microchip ATSAMA5D27 Cortex-A5 MPU 500MHz LFBGA SAMA5D2 289-ball BGA Linux MPU ATSAMA5D27A-CNR industrial HMI panel ATSAMA5D27A-CNR vs ATSAMA5D27A-CUR ATSAMA5D27A-CNR drop-in replacement ATSAMA5D27A-CNR buy price what is the temperature range of ATSAMA5D27A-CNR ATSAMA5D27A-CNR pinout 289-LFBGA Linux MPU industrial gateway

関連部品&用語

Microchip Technology Atmel ATSAMA5D27A-CNR ATSAMA5D27A-CN ATSAMA5D27B-CNR ATSAMA5D27A-CUR ATSAMA5D27C-CU ATSAMA5D26C-CNR ATSAMA5D22A-CNR ATSAMA5D23A-CNR SAMA5D2 ARM Cortex-A5 Neon 289-LFBGA LFBGA package family BGA surface mount Linux Yocto Project Buildroot DDR3L LPDDR2 LPDDR3 QSPI e.MMC IEEE 1588 CAN-FD USB 2.0 HSIC AES secure boot TRNG GLCDC RoHS REACH J-STD-020 JEDEC
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