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Microchip Technology ATPL210A-A1U-Y
- Part No.:
- ATPL210A-A1U-Y
- Manufacturer:
- Microchip Technology
- Category:
- Application Specific Microcontrollers
- Package:
- 120-LQFP
- Datasheet:
-
ATPL210A-A1U-Y.pdf
- Description:
- IC PWR LINE MCU 120LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,954
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Product details
Overview
ATPL210A-A1U-Y from Microchip Technology (formerly Atmel) is a PRIME-compliant Power Line Communications System-on-Chip integrating an enhanced 8051 core (ADD8051C3A), OFDM modem for 50/60 Hz mains, 97-carrier modulation, 128-bit AES encryption, and dual UART/SPI peripherals. It delivers up to 5× speedup over standard 8051 and supports automated meter reading in industrial-grade (-40°C to +85°C) smart metering systems.
For engineers reviewing the ATPL210A-A1U-Y datasheet, ATPL210A-A1U-Y pinout, ATPL210A-A1U-Y application, or ATPL210A-A1U-Y equivalent, key selection considerations include PRIME protocol compliance, integrated MAC/Viterbi/CRC, on-chip 32KB SRAM, differential BPSK/QPSK/8-PSK modulation support, and 120-lead LQFP package with AGC and AFE signal conditioning for noise-resilient PLC deployment.
Technical Context
The ATPL210A-A1U-Y implements a full PRIME v1.3.1–compliant physical and MAC layer stack using dedicated IP cores: ADD1321 modem (OFDM, 97 carriers), ADD1221 MAC coprocessor (Viterbi decoding, CRC, channel sensing), and ADD8051C3A CPU (5× 8051 performance). It offloads protocol processing from host controllers and enables autonomous boot-loading from serial flash with automatic code encryption.
Its analog front-end includes VSENSE/PSENSE inputs, AFE_TXRX/AFE_HIMP terminals, and 12 EMIT outputs for line driver control, paired with AGC0/AGC1 for real-time signal amplitude tracking. The device supports external SRAM expansion up to 256KB via 18-bit address bus and 8-bit data bus, with /R_WE, /R_OE, and /R_CE control signals.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Modulation | 97-carrier OFDM compliant with PRIME specification; enables robust narrowband PLC over noisy power lines. |
| Data Rate | Selectable baud rate from 21.4 kbps to 128.6 kbps; balances throughput and noise immunity per deployment conditions. |
| CPU Core | ADD8051C3A enhanced 8051; executes PRIME stack with up to 5× instruction throughput vs. legacy 8051. |
| On-chip Memory | 32KB SRAM; holds firmware, protocol buffers, and runtime variables without external RAM dependency. |
| Security | 128-bit AES encryption; secures boot loading and in-transit PRIME frame payloads against tampering. |
| Interface Peripherals | Two UARTs (UART0/UART1), two SPIs (SPI0/SPI1); support serial flash programming, RTC interfacing, and metering IC communication. |
| Operating Temp | -40°C to +85°C industrial range; validated for outdoor meter enclosures and street lighting control units. |
Pinout & Package
ATPL210A-A1U-Y is housed in a 120-lead LQFP package (14 mm × 14 mm, 0.4 mm pitch), Pb-free and RoHS compliant, with gull-wing leads and maximum mounting height of 1.70 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| EMIT.1–EMIT.12 | Line driver output enable | 12 dedicated outputs controlling external power line drivers; enable precise timing and amplitude shaping for OFDM symbol transmission. |
| VSENSE / PSENSE | Analog input for voltage/current sensing | Direct connection to metering shunt or transformer secondary; feeds AFE for real-time signal monitoring and AGC reference. |
| AFE_TXRX / AFE_HIMP | Transmit/receive analog interface | Bi-directional analog path to line coupling circuitry; supports differential signaling and impedance matching for EMI reduction. |
| A(0:17) / D(0:7) | External memory bus | 18-bit address + 8-bit data bus enabling up to 256KB external SRAM; essential for large PRIME frame buffering and firmware storage. |
| /R_WE / /R_OE / /R_CE | Memory control strobes | Standard asynchronous SRAM control signals; allow direct integration with off-the-shelf low-cost parallel memory devices. |
Key Features
| Feature | Design Value |
|---|---|
| PRIME v1.3.1 Compliance | Fully implements PHY and MAC layers per PRIME Alliance specification-no external protocol stack required. |
| Integrated Boot Loader | Auto loads encrypted firmware from serial flash on power-up; eliminates need for external bootloader MCU or JTAG during field updates. |
| Dual SPI Interfaces | SPI0 for serial flash programming and SPI1 for external RTC/metering IC; isolates timing-critical and configuration-critical paths. |
| Programmable Watchdog | /EWDG pin enables hardware reset supervision; critical for unattended AMR deployments where lockup recovery must be autonomous. |
| AGC and Signal Tracking | AGC0/AGC1 pins drive closed-loop gain control; maintain consistent SNR across varying grid impedance and load conditions. |
Applications
| Smart Electricity Metering | Street Lighting Control |
|---|---|
Use Scenario: Two-way communication between utility head-end and residential/commercial meters over existing AC wiring. IC Role / Device Role / Timing Role: Primary PLC SoC handling PRIME PHY/MAC, encryption, and meter interface; replaces discrete modem + MCU solution. Use Value: Reduces BOM count by integrating modem, MAC, CPU, and AFE-enabling compact, certified meter designs meeting IEC 61334 and PRIME requirements. | Use Scenario: Centralized dimming, fault reporting, and energy logging for LED streetlights powered by municipal grids. IC Role / Device Role / Timing Role: PLC node controller managing local light control logic and upstream data aggregation via power line backhaul. Use Value: Eliminates cellular/GPRS subscriptions; leverages existing infrastructure for reliable, low-latency command delivery and status polling. |
| Home Energy Management | Industrial Substation Monitoring |
Use Scenario: Residential gateway collecting consumption data from HVAC, water heater, and PV inverters via PLC-connected sensors. IC Role / Device Role / Timing Role: Edge node SoC executing PRIME-compliant data collection, local AES encryption, and time-synchronized reporting. Use Value: Enables secure, interoperable HAN (Home Area Network) without Wi-Fi interference or battery replacement cycles. | Use Scenario: Remote monitoring of transformer temperature, oil level, and breaker status in medium-voltage substations. IC Role / Device Role / Timing Role: Ruggedized PLC endpoint performing periodic sensor reads, CRC-protected frame assembly, and burst-mode transmission. Use Value: Survives harsh EMI environments due to differential modulation, AGC, and industrial temp rating-reducing maintenance frequency and outage risk. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar PRIME-compliant PLC SoC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ST7580 | Single-core ARM Cortex-M0+; supports PRIME v1.4 but lacks integrated AFE and EMIT drivers; requires external line driver and ADC. | Targeted at cost-sensitive, lower-data-rate AMR nodes where external analog components are acceptable. | Choose ST7580 when flexibility in analog front-end design outweighs integration benefit and when ARM toolchain familiarity is prioritized. |
| MAX2992 | Dedicated PRIME modem only (no embedded MCU); requires external host processor for MAC and application logic. | Suitable for systems already using high-performance host MCUs (e.g., STM32H7) and needing only PHY-layer offload. | Choose MAX2992 when existing architecture mandates separation of modem and controller functions and when board space allows additional ICs. |
Compared with ST7580 and MAX2992, ATPL210A-A1U-Y provides the highest level of integration-combining PRIME PHY/MAC, 8051 application processor, AFE, and 12-channel line driver control in one 120-pin LQFP-making it optimal for space-constrained, self-contained metering endpoints requiring minimal external components.
Availability
ATPL210A-A1U-Y is available at Aetrix Electronics and suitable for smart electricity metering, street lighting control, home energy management, and industrial substation monitoring requiring stable component supply and long-term lifecycle support.
Supply support for ATPL210A-A1U-Y includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Microchip Technology acquired Atmel in 2016 and maintains its portfolio of high-reliability microcontrollers and communications SoCs for industrial and energy infrastructure markets.
The ATPL210A-A1U-Y belongs to Atmel's PRIME-certified Power Line Communications SoC product line, designed specifically to accelerate development of interoperable, standards-compliant smart grid endpoints with minimal external components.
FAQ
What communication standard does the ATPL210A-A1U-Y implement?
The ATPL210A-A1U-Y implements the full PRIME (Powerline Intelligent Metering Evolution) v1.3.1 specification, including both physical layer (97-carrier OFDM) and media access control (MAC) layer functionality. It supports Viterbi decoding, CRC generation/checking, and channel sensing-all verified per PRIME conformance test plans. ATPL210A-A1U-Y does not support G3-PLC or IEEE 1901.2 natively.
Does the ATPL210A-A1U-Y include an embedded microcontroller?
Yes, the ATPL210A-A1U-Y integrates the ADD8051C3A enhanced 8051 core, delivering up to five times the instruction throughput of a standard 8051. This embedded CPU executes the PRIME stack, application firmware, and peripheral control logic-eliminating the need for an external MCU in most metering designs. ATPL210A-A1U-Y uses on-chip 32KB SRAM for code and data execution.
What analog interfaces does the ATPL210A-A1U-Y provide for power line coupling?
The ATPL210A-A1U-Y provides dedicated analog interface pins: AFE_TXRX (bidirectional analog transmit/receive path), AFE_HIMP (high-impedance receive input), VSENSE and PSENSE (voltage and current sensing inputs), and 12 EMIT outputs for driving external line drivers. These enable direct connection to coupling circuits without signal conditioning ICs. ATPL210A-A1U-Y also includes AGC0 and AGC1 pins for closed-loop gain control.
Can the ATPL210A-A1U-Y operate without external memory?
Yes, the ATPL210A-A1U-Y can operate autonomously using its 32KB on-chip SRAM for firmware and runtime data. It supports in-circuit serial flash programming and auto boot-loading from external serial flash, but no external parallel memory is required for basic PRIME operation. External SRAM (up to 256KB) is optional and accessed via A(0:17)/D(0:7) and /R_WE,/R_OE,/R_CE-ATPL210A-A1U-Y remains functional without it.
What is the package type and lead count of the ATPL210A-A1U-Y?
The ATPL210A-A1U-Y is packaged in a 120-lead LQFP (Low-Profile Quad Flat Package) measuring 14.0 mm × 14.0 mm with 0.4 mm lead pitch. It is Pb-free and RoHS compliant, with gull-wing leads and a maximum mounting height of 1.70 mm. The ordering code "A1U-Y" explicitly denotes this 120LQFP industrial-grade variant-ATPL210A-A1U-Y is not available in QFN, BGA, or smaller LQFP options.
ATPL210A-A1U-Y Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 120-LQFP
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Applications:
- Power Line Communications
- Core Processor:
- ADD8051C3A
- Program Memory Type:
- SRAM
- Controller Series:
- -
- RAM Size:
- 32K x 8
- Interface:
- SPI, UART
- Number of I/O:
- 14
- Voltage - Supply:
- 3V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 120-LQFP (14x14)
ATPL210A-A1U-Y FAQ
1.How can I place an order for ATPL210A-A1U-Y through Aetrix?
Please submit a Request for Quotation (RFQ) for ATPL210A-A1U-Y on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ATPL210A-A1U-Y reliable?
The price and inventory of ATPL210A-A1U-Y are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ATPL210A-A1U-Y is usually 5 days.
3.What payment methods are accepted for ATPL210A-A1U-Y?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ATPL210A-A1U-Y transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ATPL210A-A1U-Y?
ATPL210A-A1U-Y orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ATPL210A-A1U-Y order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ATPL210A-A1U-Y?
For technical support, including ATPL210A-A1U-Y datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ATPL210A-A1U-Y requirements.
6.How does Aetrix verify that ATPL210A-A1U-Y is sourced from the original manufacturer or authorized distributors?
All ATPL210A-A1U-Y products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ATPL210A-A1U-Y meets industry standards.
7.What is the process for return or replacement of ATPL210A-A1U-Y?
All ATPL210A-A1U-Y units undergo pre-shipment inspection (PSI). If there is an issue with ATPL210A-A1U-Y, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ATPL210A-A1U-Y part is unused and in its original packaging.
Return procedure for ATPL210A-A1U-Y:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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