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AT91SAM9XE512-CU
Microchip Technology
IC MPU SAM9XE 180MHZ 217LFBGA
2147 Pcs New Original In Stock
ARM926EJ-S Microprocessor IC SAM9XE 1 Core, 32-Bit 180MHz 217-LFBGA (15x15)
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(Ships tomorrow)
*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (178 Ratings)
AT91SAM9XE512-CU
Product Overview
1292862
DiGi Electronics Part Number
AT91SAM9XE512-CU-DGManufacturer
Microchip Technology
AT91SAM9XE512-CU
Description
IC MPU SAM9XE 180MHZ 217LFBGAInventory
2147 Pcs New Original In Stock
ARM926EJ-S Microprocessor IC SAM9XE 1 Core, 32-Bit 180MHz 217-LFBGA (15x15)
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
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Quality Assurance
365 - Day Quality Guarantee - Every part fully backed.
90 - Day Refund or Exchange - Defective parts? No hassle.
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AT91SAM9XE512-CU Technical Specifications
Category
Embedded, Microprocessors
Packaging
-
Series
SAM9XE
Product Status
Obsolete
Core Processor
ARM926EJ-S
Number of Cores/Bus Width
1 Core, 32-Bit
Speed
180MHz
Co-Processors/DSP
-
RAM Controllers
SDRAM, SRAM
Graphics Acceleration
No
Display & Interface Controllers
LCD, Touchscreen
Ethernet
10/100Mbps
SATA
-
USB
USB 2.0 (3)
Voltage - I/O
1.8V, 2.5V, 3.3V
Operating Temperature
-40°C ~ 85°C (TA)
Security Features
-
Mounting Type
Surface Mount
Package / Case
217-LFBGA
Supplier Device Package
217-LFBGA (15x15)
Additional Interfaces
EBI/EMI, I2C, ISI, MMC/SD/SDIO, SPI, SSC, UART/USART
Base Product Number
AT91SAM9XE512
Datasheet & Documents
HTML Datasheet
AT91SAM9XE512-CU-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
3A991A2
HTSUS
8542.31.0001
Additional Information
Other Names
AT91SAM9XE512CU
Standard Package
126
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
Ich kann den After-Sales-Support nur loben. Die Mitarbeiter sind stets hilfsbereit und professionell.
de desembre 02, 2025
The shipping was unbelievably fast, I received my order the very next day, which exceeded my expectations.
de desembre 02, 2025
I value their consistent delivery times, which helps me plan better.
de desembre 02, 2025
Fast, efficient, and friendly service—every step of the way was handled perfectly.
de desembre 02, 2025
Customer support is proactive in providing solutions when logistic issues occur, making me feel well-supported.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the AT91SAM9XE512-CU in a new embedded design given its obsolete status?
Using the AT91SAM9XE512-CU in a new design carries significant supply chain and lifecycle risks due to its obsolete status. While 2058 units are in stock, future availability is not guaranteed, which can jeopardize long-term production. Engineers should assess end-product lifecycle requirements and consider migration to active-pin-compatible alternatives like the AT91SAM9XEEK or redesign with Microchip’s SAMA5D series. If proceeding, secure lifetime buys and evaluate second-source options, while factoring in increased obsolescence management costs and potential need for redesign mid-production.
How does the AT91SAM9XE512-CU compare to the AT91SAM9XE512B-CU for drop-in replacement in existing designs?
The AT91SAM9XE512B-CU is a revised version of the AT91SAM9XE512-CU with improved errata and potential power/performance optimizations. While functionally and pin-compatible, engineers must verify register-level compatibility and update boot code or clock configurations per the latest silicon errata. Thermal performance and reset behavior may differ slightly—validate under worst-case conditions. Avoid mixing lots of the two variants in high-reliability systems without full interoperability testing.
What are the practical limitations of the AT91SAM9XE512-CU's EBI/EMI interface when driving external high-speed SDRAM in noisy industrial environments?
The AT91SAM9XE512-CU's EBI/EMI supports SDRAM but lacks advanced timing margining tools found in newer processors. At 180MHz system clock, signal integrity challenges arise in electrically noisy environments—ringing, crosstalk, and setup/hold violations can cause memory corruption. Use controlled impedance PCB traces, minimize stub lengths, add series termination (22–33Ω) near the processor, and derate maximum SDRAM speed below datasheet limits. Perform board-level SI simulation or eye diagram testing if operating near timing margins.
Can the AT91SAM9XE512-CU reliably support triple USB 2.0 host operations with high-bandwidth peripherals without host instability?
The AT91SAM9XE512-CU integrates a USB 2.0 OTG port and two additional host-capable ports via ULPI, but managing three concurrent high-bandwidth USB devices risks host controller overload due to ARM926EJ-S's single-core architecture and limited DMA resources. Prioritize USB traffic through proper endpoint scheduling and avoid full-speed and high-speed devices running simultaneously at peak loads. Use external USB hubs with individual power switching to isolate faults, and implement watchdog resets to recover from USB stack lockups in long-term operation.
What PCB layout and thermal considerations are critical for maintaining AT91SAM9XE512-CU reliability in outdoor applications near 85°C ambient?
In high-temperature environments, the AT91SAM9XE512-CU’s 217-LFBGA package requires proper thermal vias under the exposed pad (10+ vias, evenly distributed) connected to internal ground/power planes to ensure thermal resistance stays below 35°C/W. Avoid microvias or thin plating that reduce conductivity. Use 4-layer or 6-layer boards with thick copper (2 oz) in power/ground layers. Monitor junction temperature via internal temperature sensor (if calibrated) and derate CPU load above 70°C ambient to prevent thermal throttling or accelerated aging, especially in sealed enclosures.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
AT91SAM9XE512-CU CAD Models
Microchip Technology AT91SAM9XE512-CU PCB symbols & footprints
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