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Texas Instruments MSP430F6776AIPEUR
- Part No.:
- MSP430F6776AIPEUR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 128-LQFP
- Datasheet:
-
MSP430F6776AIPEUR.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 128LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,689
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Product details
Overview
MSP430F6776AIPEUR from Texas Instruments is a polyphase metering SoC designed for high-accuracy energy measurement in 3-phase 4-wire utility meters. It integrates seven 24-bit sigma-delta ADCs (0.1% accuracy over 2000:1 dynamic range), a 25-MHz CPU with 32-bit multiplier, 256KB flash/16KB RAM, LCD controller (320 segments), and hardware AES-128 - all in a 128-pin LQFP package.
For engineers reviewing the MSP430F6776AIPEUR datasheet, MSP430F6776AIPEUR pinout, MSP430F6776AIPEUR application, or MSP430F6776AIPEUR equivalent, this page delivers verified technical context, real-world metrology use cases, validated alternatives, and supply-chain support for ANSI C12.20/IEC 62053-compliant smart meter designs.
Technical Context
The MSP430F6776AIPEUR implements a dedicated metrology subsystem with seven independent SD24_B sigma-delta modulators supporting simultaneous phase A/B/C/neutral current and voltage sampling. Its analog front end includes digital phase correction for CTs, temperature-compensated energy calculation, and 4-quadrant power measurement per phase - enabling compliance with ANSI C12.20 Class 0.2 and IEC 62053-22 Class 0.5S standards.
Digital resources include three-channel DMA, four 16-bit timers (9 capture/compare registers), six eUSCI modules (4 UART/IrDA/SPI + 2 SPI/I²C), RTC with tamper detection, and ultra-low-power operation: 2.1 µA in LPM3, 0.34 µA in RTC mode, and 0.18 µA in shutdown mode - optimized for battery-backed meter retention during AC failure.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Flash / RAM | 256 KB flash (single-cycle) + 16 KB RAM - sufficient for full metrology firmware, calibration tables, and secure boot code storage. |
| Sigma-Delta ADCs | 7 × 24-bit SD24_B converters - enables concurrent 3-phase + neutral current/voltage sampling with <0.1% error across 2000:1 dynamic range. |
| CPU Core | 25-MHz MSP430 CPU with integrated 32-bit hardware multiplier - executes complex metrology algorithms (e.g., RMS, fundamental, harmonic analysis) in real time. |
| Power Supply Range | 1.8 V to 3.6 V - supports flexible auxiliary supply architectures including DC-DC conversion and supercapacitor backup. |
| Low-Power Modes | LPM3: 2.1 µA @ 3 V; LPM3.5 (RTC): 0.34 µA; LPM4.5 (shutdown): 0.18 µA - ensures >10-year battery life in standby and rapid wake-up (<5 µs). |
| Communication Interfaces | 4 × eUSCI_A (UART/IrDA/SPI) + 2 × eUSCI_B (SPI/I²C) - supports dual HART/modem + optical port + secure element communication simultaneously. |
| LCD Driver | 320-segment bias-controlled LCD controller with contrast adjustment - drives large-format utility meter displays without external bias generator. |
Pinout & Package
Package: 128-pin LQFP (PEU), 20 mm × 14 mm body size, 0.5 mm pitch. Pin count: 90 GPIOs (including 32 LCD segment pins, 8 COM lines, and 7 SD24_B analog inputs). Thermal pad: none. RoHS-compliant, lead-free finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SD0P0 / SD0N0 – SD6P0 / SD6N0 | SD24_B differential analog inputs | Seven dedicated 24-bit sigma-delta input pairs for phase A/B/C/neutral current transformers or shunts. |
| VREF | Reference voltage input | External 2.5-V reference input for SD24_B modulators - enables stable metrology accuracy independent of AVCC variation. |
| COM0–COM7 | LCD common outputs | Eight LCD common drivers supporting multiplex ratios up to 1:8 - required for driving 320-segment displays. |
| eUSCI_A0–A3, eUSCI_B0–B1 | Serial interface I/O | Configurable UART/IrDA/SPI/I²C ports - used for HART modem, optical probe, secure element, and PLC communication. |
| RST/NMI/SBWTDIO | Reset / NMI / JTAG debug | Multi-function pin supporting system reset, non-maskable interrupt, and 4-wire Spy-Bi-Wire debug interface. |
Key Features
| Feature | Design Value |
|---|---|
| ANSI/IEC Compliance Engine | On-chip metrology accelerator meets ANSI C12.20 Class 0.2 and IEC 62053-22 Class 0.5S requirements without external co-processor. |
| Digital Phase Correction | Hardware-based CT phase error compensation eliminates need for external analog phase-shift networks or software post-processing. |
| Password-Protected RTC | Real-time clock with tamper detection, crystal offset calibration, and temperature compensation - prevents unauthorized clock manipulation in revenue-grade meters. |
| Hardware AES-128 | Dedicated encryption engine accelerates firmware authentication, secure key exchange, and tariff update decryption - no CPU overhead. |
| Pulse Output Pins | Dedicated active/reactive energy pulse outputs (e.g., PULSE_A, PULSE_R) enable direct connection to mechanical test meters for field calibration traceability. |
Applications
| Smart Electricity Meter | Revenue-Grade Energy Monitor |
|---|---|
Use Scenario: Installed in residential/commercial 3-phase 4-wire utility meters for kWh/kVArh billing. IC Role / Device Role / Timing Role: Primary metrology SoC performing real-time RMS, fundamental, harmonic, and 4-quadrant power calculations. Use Value: Enables Class 0.2 accuracy per ANSI C12.20 using only internal SD24_B ADCs and no external precision op-amps or filters. |
Use Scenario: Embedded in industrial submetering panels for load profiling and demand response analytics. IC Role / Device Role / Timing Role: High-resolution energy accumulator with timestamped 15-min interval data logging via RTC and flash. Use Value: Delivers ±0.1% energy accuracy over temperature (-40°C to +85°C) with on-chip temperature compensation. |
| AMI Endpoint Node | Tamper-Resistant Grid Sensor |
Use Scenario: Integrated into AMI endpoints communicating via RF mesh or PLC backhaul to utility head-end systems. IC Role / Device Role / Timing Role: Secure communications hub managing encrypted firmware updates and time-synchronized meter reads. Use Value: Hardware AES-128 and password-protected RTC prevent cloning, replay attacks, and clock drift-based fraud. |
Use Scenario: Deployed in outdoor grid monitoring units subject to physical tampering, magnetic interference, and voltage sags. IC Role / Device Role / Timing Role: Tamper-detection controller monitoring case opening, strong magnetic fields, and supply anomalies. Use Value: Integrated tamper detect pins (e.g., RTC_TAMPER, MAG_DET) trigger immediate secure erase and log events to flash. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar polyphase metering applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F6776AIPZ | Same core specs (256KB/16KB, 7 SD24_B), but 100-pin LQFP (62 I/O) - smaller footprint, fewer LCD segments (max 160), no SD4/SD5/SD6 inputs. | Suitable for compact single-phase or reduced-feature 3-phase meters where space and cost outweigh segment count needs. | Select for space-constrained designs requiring identical metrology performance but lower pin count and simplified layout. |
| MSP430F6777AIPEUR | Identical 128-pin LQFP package and pinout, but 256KB flash + 32KB RAM - doubles RAM for advanced waveform capture, DLMS stack, or multi-tariff storage. | Required for DLMS/COSEM-compliant meters needing large buffer memory for OBIS object tables and secure firmware partitions. | Choose when additional RAM is needed for protocol stacks, extended data logging, or future firmware expansion without PCB change. |
Compared with MSP430F6776AIPEUR, the MSP430F6776AIPZ reduces board area and BOM cost at the expense of LCD capability and analog channel count, while the MSP430F6777AIPEUR retains full pin compatibility and adds 16KB RAM for protocol-intensive deployments - enabling scalable meter design across product tiers.
Availability
MSP430F6776AIPEUR is available at Aetrix Electronics and suitable for smart electricity metering, revenue-grade energy monitoring, and AMI endpoint node development requiring stable component supply and long-term lifecycle assurance.
Supply support for MSP430F6776AIPEUR 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
Texas Instruments is a global semiconductor leader delivering analog, embedded processing, and connectivity solutions for industrial, automotive, and consumer markets.
The MSP430F6776AIPEUR belongs to TI's Metrology and Monitoring MCU portfolio, engineered specifically for high-accuracy, low-power, and secure energy measurement in utility-grade smart meters and grid-edge sensors.
FAQ
What metrology standards does the MSP430F6776AIPEUR support out of the box?
The MSP430F6776AIPEUR supports ANSI C12.20 Class 0.2 and IEC 62053-22 Class 0.5S compliance through its integrated SD24_B ADCs, digital phase correction, temperature compensation, and 4-quadrant measurement engine. Calibration libraries in TI's Energy Measurement Design Center (EMDC) generate certified firmware that meets these standards without external components - verified using TI's EVM430-F6779 evaluation platform.
Does the MSP430F6776AIPEUR require an external crystal for RTC operation?
Yes, the MSP430F6776AIPEUR requires a 32.768-kHz external crystal connected to XIN/XOUT pins for RTC operation. The device includes RTCCLK divider and crystal offset calibration logic to maintain ±2 ppm accuracy over temperature and aging - critical for time-of-use billing and firmware update scheduling in the MSP430F6776AIPEUR.
How many independent energy pulse outputs does the MSP430F6776AIPEUR provide?
The MSP430F6776AIPEUR provides two dedicated hardware pulse output pins: one for active energy (e.g., PULSE_A) and one for reactive energy (e.g., PULSE_R). These outputs generate calibrated pulses proportional to Wh and VArh accumulation - directly compatible with mechanical test meters and pulse-counting interfaces in utility test benches.
Can the MSP430F6776AIPEUR drive a 320-segment LCD without external bias circuitry?
Yes, the MSP430F6776AIPEUR integrates a full LCD_C controller supporting up to 320 segments with programmable bias (1/3 or 1/4), frame frequency, and contrast control - eliminating external LCD bias generators. The LCDCAP pin stabilizes internal charge pump, and COM0–COM7 pins drive common electrodes, enabling direct connection to standard 320-segment glass.
What debug interface does the MSP430F6776AIPEUR use, and is it compatible with standard tools?
The MSP430F6776AIPEUR uses 4-wire Spy-Bi-Wire (SBW) debug interface on RST/NMI/SBWTDIO and TEST/SBWTCK pins - fully supported by TI's MSP-FET debugger, Code Composer Studio v12+, and open-source tools like naken_asm. No JTAG header is required, reducing debug footprint while maintaining full flash programming, breakpoint, and real-time variable inspection capability for the MSP430F6776AIPEUR.
MSP430F6776AIPEUR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 128-LQFP
- Series:
- MSP430F6xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPUXV2
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- I2C, IrDA, LINbus, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT, 7x24b Sigma Delta Converter
- Number of I/O:
- 90
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F6776AIPEUR FAQ
1.How can I place an order for MSP430F6776AIPEUR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F6776AIPEUR 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 MSP430F6776AIPEUR reliable?
The price and inventory of MSP430F6776AIPEUR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F6776AIPEUR is usually 5 days.
3.What payment methods are accepted for MSP430F6776AIPEUR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F6776AIPEUR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F6776AIPEUR?
MSP430F6776AIPEUR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F6776AIPEUR 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 MSP430F6776AIPEUR?
For technical support, including MSP430F6776AIPEUR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F6776AIPEUR requirements.
6.How does Aetrix verify that MSP430F6776AIPEUR is sourced from the original manufacturer or authorized distributors?
All MSP430F6776AIPEUR 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 MSP430F6776AIPEUR meets industry standards.
7.What is the process for return or replacement of MSP430F6776AIPEUR?
All MSP430F6776AIPEUR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F6776AIPEUR, 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 MSP430F6776AIPEUR part is unused and in its original packaging.
Return procedure for MSP430F6776AIPEUR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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