ATSAMA5D22B-CNR - 500MHz Cortex-A5 MPU 196-TFBGA | Microchip
料号： ATSAMA5D22B-CNR ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $11.42 | $11.42 |
| 10 | $10.18 | $101.80 |
| 100 | $8.74 | $874.00 |
| 500 | $7.94 | $3,970.00 |
| 1,000 | $7.21 | $7,210.00 |
ATSAMA5D22B-CNR 概述
A microprocessor (MPU) is a system-on-chip integrating a CPU core, memory controllers, peripherals, and interconnect fabrics onto a single die. The SAMA5D2 family sits within Microchip's MPU portfolio between the lower-end SAMA5D4 and higher-performance SAMA7G series. It is designed to balance deterministic real-time performance, low power consumption, and rich peripheral integration for human-machine interface (HMI), connectivity, and graphical IoT edge nodes.
Key features include 32 KB L1 data cache, 32 KB L1 instruction cache, and a 128 KB L2 cache that is configurable as internal SRAM. The chip embeds a Peripheral Touch Controller (PTC), an audio subsystem supporting I2S/TDM, hardware cryptography accelerators (AES, SHA, TRNG), and a graphics LCD controller up to WXGA (1280x800). The 0.8 mm ball pitch simplifies PCB routing and reduces layer count compared to finer-pitch BGA designs.
The architecture combines the Cortex-A5 application processor subsystem with an extensive peripheral set including dual Ethernet GMAC, dual CAN-FD, USB 2.0 with HSIC, up to three SD/SDIO/MMC controllers, and a 12-bit ADC. The SAMA5D2 implements TrustZone for secure boot and secure key storage, plus secure boot ROM and tamper detection pins for industrial-grade protection.
Typical applications include industrial HMI panels, IoT gateways, smart-home control units, point-of-sale terminals, building automation controllers, and low-cost connected appliances. It also fits low-power vision devices, barcode scanners, and printer control boards where Linux or RTOS support and Cortex-A class performance are required.
When designing with this device, allocate at least a 4-layer PCB with controlled-impedance routing for the DDR2/LPDDR/LPDDR2/LPDDR3 interface. Decouple the 1.2 V core rail with bulk ceramic capacitors placed close to the BGA balls, and follow Microchip's SAMA5D2 hardware design checklist for power sequencing, boot mode configuration, and JTAG debug access.
This page synthesizes distributor pricing, drop-in pin-compatible same-package variants, and practical design considerations not consolidated in any single source. All specifications trace to the manufacturer datasheet and authorized distributors.
直接替换替代料： ATSAMA5D22B-CNR ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： ATSAMA5D22B-CNR （相同外形与封装尺寸） ——差异在于 Operating Temperature, Package, Ethernet, USB, RoHS Status.
快速对比工具——选择替代料号进行并排对比：
ATSAMA5D22A-CNR
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$10.8 / 个
查看数据手册 →ATSAMA5D23A-CNR
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$11.2 / 个
查看数据手册 →ATSAMA5D26B-CNR
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$9.1 / 个
查看数据手册 →ATSAMA5D27C-D5M-CU
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$18.4 / 个
查看数据手册 →ATSAMA5D225C-D1M-CU
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$12.6 / 个
查看数据手册 →ATSAMA5D21B-CU
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$9.8 / 个
查看数据手册 →ATSAMA5D22B-CNR 最大额定值与电气特性
| Architecture | ARM Cortex-A5 (ARMv7-A) |
| Core Count | 1 |
| Data Width | 32-bit |
| 最大时钟频率 | 500 MHz |
| Core Supply Voltage | 1.2 V |
| L1 Instruction Cache | 32 KB |
| L1 Data Cache | 32 KB |
| L2 Cache | 128 KB (configurable as SRAM) |
| NEON Media Processing Engine | Yes |
| Floating Point Unit | Yes |
| ARM TrustZone | Yes |
| Peripheral Touch Controller (PTC) | Yes |
| Embedded Audio Subsystem | Yes (I2S/TDM) |
| 封装 | 196-TFBGA (11x11x1.2 mm) |
| Ball Pitch | 0.8 mm |
| 安装类型 | Surface Mount |
| 工作温度 | -40C to +105C (extended) |
| Packaging | Tape & Reel (T&R) |
| RoHS 状态 | Compliant |
ATSAMA5D22B-CNR 196-tfbga (11x11x1.2 mm) 引脚配置指南
ATSAMA5D22B-CNR（196-tfbga (11x11x1.2 mm) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： ATSAMA5D22B-CNR.
请参阅 数据手册 以查看完整引脚配置。
典型应用
ATSAMA5D22B-CNR 适用于 7 应用s: Industrial Human-Machine Interface (HMI) Panels, IoT Edge Gateways and Connected Appliances, Point-of-Sale (POS) Terminals and Payment Devices, Building Automation and HVAC Controllers, Low-Cost Vision and Barcode Scanner Systems, Smart Home Control Panels and Voice Assistants, Industrial Printers and Label Makers.
Industrial Human-Machine Interface (HMI) Panels
The ATSAMA5D22B-CNR's 500 MHz Cortex-A5 core with NEON MPE and the integrated WXGA-capable LCD controller make it well suited for driving color TFT panels in industrial HMIs. The chip runs a full Linux distribution through Microchip's Linux4SAM BSP, enabling WebKit/Chromium-based graphical frameworks. The embedded Peripheral Touch Controller (PTC) supports projected-capacitive touch sensors without an external touch IC, reducing BOM cost. Its industrial temperature rating and hardware crypto accelerators allow secure firmware updates in factory-floor HMIs.
推荐
IoT Edge Gateways and Connected Appliances
With dual 10/100 Ethernet GMACs, dual CAN-FD, USB 2.0 with HSIC, and hardware AES/SHA/TRNG accelerators, the ATSAMA5D22B-CNR can aggregate multiple sensor or field-bus networks in an IoT gateway. The Cortex-A5 core runs secure TLS stacks at line rate, and the TrustZone extension isolates secure boot and key material from the application Linux OS. The 1.2 V core rail and low-power modes suit always-on battery-backed gateways that must remain responsive yet consume single-digit watts at idle.
推荐
Point-of-Sale (POS) Terminals and Payment Devices
POS terminals need a secure application processor, a color display, and cryptographic acceleration - all provided by the ATSAMA5D22B-CNR. The Cortex-A5 core runs Linux/Android-derived payment stacks, the LCD controller drives the merchant-facing display, and the AES/SHA/TRNG accelerators accelerate EMV and PCI-PTS cryptographic operations. The 196-TFBGA 11x11 mm package fits compact POS form factors, while the industrial temperature grade supports deployment in semi-outdoor retail environments with heat exposure.
推荐
Building Automation and HVAC Controllers
The ATSAMA5D22B-CNR's dual CAN-FD and dual Ethernet GMAC enable it to bridge BACnet/IP, KNX, Modbus TCP, and CAN-based HVAC field buses in a single controller. The embedded audio subsystem supports voice prompts for intercoms or smart-speaker integration, while the LCD controller drives status displays. Hardware WatchDog and the secure-boot ROM (with tamper detection pins) help meet the safety and reliability expectations of building-automation certifications.
推荐
Low-Cost Vision and Barcode Scanner Systems
The NEON Media Processing Engine and the integrated image sensor interface (ISI) on the ATSAMA5D22B-CNR allow efficient decoding of 1D/2D barcodes and lightweight computer-vision tasks without a discrete vision processor. With 128 KB of L2/SRAM configurable as on-chip memory, an entire barcode pipeline can run without external SRAM. The 1.2 V core rail and DDR2/LPDDR2 support keep BOM cost down versus higher-end MPUs while still delivering sub-second decode response.
推荐
Smart Home Control Panels and Voice Assistants
The ATSAMA5D22B-CNR combines an application processor, an audio codec interface (I2S/TDM), a touch controller, and a graphics LCD controller - all the building blocks for a tabletop smart-home hub. The Cortex-A5 core runs Linux for voice agent SDKs and Zigbee/Z-Wave Matter bridge stacks, while TrustZone isolates the secure element. The 0.8 mm ball pitch keeps PCB cost low for high-volume consumer smart-home SKUs.
推荐
Industrial Printers and Label Makers
The ATSAMA5D22B-CNR's Cortex-A5 core, USB 2.0 high-speed host, SD/MMC controller, and graphics LCD controller suit it for label-printer mainboards. The DDR2/LPDDR2 controller handles the print buffer and rendering framebuffer, while the GMAC enables Ethernet-attached industrial printers. The industrial temperature grade and secure-boot ROM allow deployment in factory automation lines where firmware integrity is mandatory.
推荐
推荐产品汇总
工程参考数据： ATSAMA5D22B-CNR ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | ATSAMA5D22A-CNR | ATSAMA5D23A-CNR | ATSAMA5D26B-CNR | ATSAMA5D27C-D5M-CU | ATSAMA5D225C-D1M-CU | ATSAMA5D21B-CU |
|---|---|---|---|---|---|---|---|
| Package | 196-TFBGA (11x11x1.2 mm) | 196-TFBGA (11x11) - same | 196-TFBGA (11x11) - same | 196-TFBGA (11x11) - same | 196-TFBGA (11x11) - same | 196-TFBGA (11x11) - same | 196-TFBGA (11x11) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Core | ARM Cortex-A5 500 MHz | ARM Cortex-A5 500 MHz | ARM Cortex-A5 500 MHz | ARM Cortex-A5 500 MHz | ARM Cortex-A5 500 MHz | ARM Cortex-A5 500 MHz | ARM Cortex-A5 500 MHz |
| Integrated DRAM | None (external DDR2/LPDDR2/LPDDR3) | None | None | 128 MB DDR2/LPDDR2 stacked | None | None | None |
| CAN-FD | Yes (2) | Yes (2) | Yes | Yes (2) | Yes (2) | Yes | Yes |
| Peripheral Touch Controller | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Embedded Audio Subsystem | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
关键差异点
- Most cost-effective SAMA5D2 variant with full LCD + touch + audio integration （对比 ATSAMA5D26B-CNR)
- B silicon revision fixes known A revision errata （对比 ATSAMA5D22A-CNR)
- Lowest-integration SAMA5D2 entry point with full Linux support （对比 ATSAMA5D21B-CU)
- Industrial operating temperature range up to 105 C （对比 ATSAMA5D23A-CNR)
设计说明
Estimated: with a 196-TFBGA at 0.8 mm pitch, plan for at least a 4-layer PCB (signal/ground/power/signal) with micro-via-in-pad for the inner ball rows. Route the DDR2/LPDDR2/LPDDR3 interface with matched-length traces (typically +/-25 mil tolerance per byte lane) and 50 ohm controlled impedance. Place 10 uF + 100 nF ceramic decoupling within 100 mil of every VDDCORE and VDDBU ball, and use a continuous ground plane beneath the package to suppress return-path discontinuities.
Estimated: at 500 MHz with all peripherals active, the 1.2 V core rail can draw 200-400 mA, so use an LDO or switching regulator rated for at least 800 mA with low ripple (<20 mV). Follow the Microchip SAMA5D2 hardware design checklist for power-rail sequencing: VDDBU must come up first, then VDDCORE, then VDDIO. Failing the sequence can prevent boot or cause permanent latch-up. Add a power-good reset circuit feeding NRST to guarantee clean reset at startup.
Route the JTAG/SWD debug pins (TDI, TDO, TMS, TCK, NRST) to a 0.05" header or Tag-Connect footprint so engineers can attach a J-Link or MPLAB ICD tool. Configure the boot mode pins (BMS, JTAG_SEL, SHDN, TEST) with explicit pull-ups or pull-downs per the SAMA5D2 datasheet - leaving them floating risks undefined boot. Keep the 25 MHz main crystal traces short and symmetric, with the load capacitors within 1 mm of the XIN/XOUT pins.
Estimated: TFBGA packages rely on PCB copper for heat dissipation. Spread the thermal copper from the BGA's central ball grid out through at least four 0.5 mm thermal vias to an internal ground plane. Without this copper pour, junction temperature can rise 30-40 C above ambient at 500 MHz under sustained load, especially in sealed enclosures. The industrial 105 C junction rating still gives margin, but verifying with a thermal probe during validation is recommended.
Common pitfalls include: (1) choosing the wrong DDR2/LPDDR2/LPDDR3 mode by mixing voltage rails (1.8 V vs 1.2 V), (2) not enabling the internal 32 kHz RC oscillator as a backup when the external 32.768 kHz crystal fails to start, (3) assuming the SAMA5D22B-CNR revision is identical to A revision errata - some errata are fixed only in B revision silicon, and (4) failing to enable the secure-boot fuse bit, which silently voids any cryptographic guarantees. Always review the latest Microchip SAMA5D2 errata document before signing off the schematic.
合规信息
RoHS compliant and lead-free per Microchip product environmental compliance. AEC-Q100 is not applicable for this MPU (automotive qualification is offered on related SAMA5D2 automotive part numbers). Halogen-free status not explicitly stated in the available data.
