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Texas Instruments MSP430F6767AIPEU
- Part No.:
- MSP430F6767AIPEU
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 128-LQFP
- Datasheet:
-
MSP430F6767AIPEU.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 128LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,942
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Product details
Overview
MSP430F6767AIPEU from Texas Instruments is a polyphase metering SoC designed for high-accuracy energy measurement in 3-phase utility meters. It integrates six 24-bit sigma-delta ADCs, a 25-MHz CPU with 32-bit multiplier, 256KB flash/32KB RAM, LCD controller (320 segments), and hardware AES-128 encryption - all in a 128-pin LQFP package. It meets ANSI C12.20 and IEC 62053 standards for active/reactive energy measurement across three phases plus neutral.
For engineers reviewing the MSP430F6767AIPEU datasheet, MSP430F6767AIPEU pinout, MSP430F6767AIPEU application, or MSP430F6767AIPEU equivalent, key selection criteria include metrology ADC channel count, RTC tamper detection, pulse output capability for calibration, ultra-low-power LPM3.5 mode (0.34 µA), and support for current transformers, Rogowski coils, or shunt sensors in smart grid metering systems.
Technical Context
The MSP430F6767AIPEU implements a dedicated metrology subsystem with six independent SD24_B sigma-delta ADCs-each supporting differential inputs, programmable gain, and digital phase correction-enabling simultaneous voltage/current sampling per phase. Its real-time clock includes crystal offset calibration, temperature compensation, and tamper detection via dedicated pins (RTCCLK, RTCCAP0/1).
Digital subsystems include four eUSCI_A modules (UART/IrDA/SPI) and two eUSCI_B modules (I²C/SPI), three-channel DMA, 16-bit CRC, and four 16-bit timers with nine capture/compare registers. Power management supports automatic supply switching between AC mains and backup battery, with LCD operation at 3 µA in LPM3 during power failure.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Flash Memory | 256 KB single-cycle access - sufficient for full metrology firmware, calibration tables, and secure boot code. |
| RAM | 32 KB single-cycle access - supports real-time accumulation of energy registers, waveform buffers, and AES-128 encryption context. |
| Sigma-Delta ADCs | 6 × 24-bit SD24_B converters - enables concurrent high-accuracy measurement of 3-phase voltages and currents with <0.1% error over 2000:1 dynamic range. |
| ADC Input Support | Differential inputs with variable gain - accommodates direct connection to shunts, current transformers, or Rogowski coils without external signal conditioning. |
| Low-Power Modes | LPM3.5 (RTC active): 0.34 µA @ 3 V; LPM4.5 (shutdown): 0.18 µA @ 3 V - ensures long battery life during AC mains failure with retained RTC and critical registers. |
| Communication Interfaces | 4 × eUSCI_A (UART/IrDA/SPI), 2 × eUSCI_B (I²C/SPI) - provides redundant, standards-compliant interfaces for HAN, PLC, optical port, and secure module communication. |
| LCD Driver | Up to 320 segments with contrast control - drives multi-line alphanumeric displays for utility meter UI without external controller. |
Pinout & Package
Package: 128-pin LQFP (PEU), 20 mm × 14 mm body size, 0.5 mm pitch, 90 general-purpose I/O pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| XIN / XOUT | 32.768 kHz crystal oscillator terminals | Drive low-frequency RTC with temperature-compensated crystal offset calibration; require external 12.5 pF load capacitors (RTCCAP0/1). |
| VREF | Reference voltage input | Accepts external precision reference (e.g., 2.5 V) for SD24_B ADCs; enables high-accuracy metrology independent of AVCC variation. |
| SD0P0/SD0N0 through SD5P0/SD5N0 | Differential sigma-delta ADC inputs | Support six independent 24-bit metrology channels - configured for phase A/B/C voltage/current + neutral current sensing. |
| COM0–COM7 | LCD common outputs | Drive up to 8 multiplexed LCD commons for 320-segment display; integrated contrast control reduces external component count. |
| P1.0/P1.1 | VeREF−/VeREF+ | Internal reference buffer inputs - used for ADC10_A SAR ADC and auxiliary measurements; support internal temperature sensor readout. |
Key Features
| Feature | Design Value |
|---|---|
| 4-quadrant energy measurement | Enables accurate billing for import/export, reactive power, and net energy in bidirectional grid applications. |
| Dedicated pulse output pins | Hardware-generated active/reactive energy pulses (e.g., PULSE_A, PULSE_R) simplify calibration and enable direct LED drive without CPU intervention. |
| Password-protected RTC with tamper detection | Prevents unauthorized clock manipulation in revenue-grade meters; triggers secure erase on case breach or voltage glitch. |
| Integrated hardware AES-128 | Accelerates encryption/decryption of firmware updates and consumption data - no software overhead or timing side-channel exposure. |
| Digital phase correction for CTs | Compensates for current transformer phase lag in real time using on-chip DSP resources, eliminating external analog correction networks. |
Applications
| Smart Electricity Meter | Revenue-Grade Energy Monitor |
|---|---|
Use Scenario: Installed in residential/commercial 3-phase 4-wire star-connected utility meters for kWh/kVARh billing. IC Role / Device Role / Timing Role: Primary metrology SoC performing real-time voltage/current sampling, energy calculation, tamper logging, and LCD display control. Use Value: Meets ANSI C12.20 Class 0.2 accuracy requirements with single calibration across 40–70 Hz line frequency, reducing factory test time and cost. |
Use Scenario: Embedded in industrial submetering panels for real-time power quality analysis and demand response. IC Role / Device Role / Timing Role: High-resolution waveform capture engine with synchronized 24-bit ADCs and timestamped event logging via RTC. Use Value: Delivers exact phase-angle measurements and harmonic analysis support (via oversampled sigma-delta data) for IEEE 1459 compliance reporting. |
| AMI Endpoint Node | Tamper-Resistant Grid Sensor |
Use Scenario: Integrated into automated meter infrastructure (AMI) nodes communicating via PLC or RF mesh networks. IC Role / Device Role / Timing Role: Secure data concentrator with AES-128 encryption, eUSCI-based protocol stacks (DLMS/COSEM), and scheduled wake-up for low-duty-cycle reporting. Use Value: Enables end-to-end encrypted consumption data transmission while maintaining <1 µA average system current in sleep mode. |
Use Scenario: Deployed in unattended outdoor substations requiring anti-tamper protection against physical, electrical, and environmental attacks. IC Role / Device Role / Timing Role: Trusted execution environment with password-protected RTC, voltage glitch detection, and secure boot verification. Use Value: Retains calibrated metrology constants and audit logs even after power loss or forced reset, satisfying IEC 62053-31 tamper evidence requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar polyphase metering SoC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F6769AIPEU | 7 × 24-bit SD24_B ADCs (vs. 6), 512 KB flash (vs. 256 KB) | Supports 4-phase or enhanced harmonic analysis configurations; larger firmware footprint for advanced diagnostics | Select when additional metrology channel headroom or future firmware expansion is required. |
| MSP430F6767AIPZ | Same core specs but 100-pin LQFP (62 I/O, no SD4/SD5/SD6 pins), smaller footprint (14 mm × 14 mm) | Reduces PCB area and BOM cost where fewer ADC channels or LCD segments are needed | Select for space-constrained designs accepting reduced metrology I/O and LCD segment count. |
Compared with MSP430F6767AIPEU, the MSP430F6769AIPEU adds one metrology ADC channel and doubles flash capacity for complex firmware, while the MSP430F6767AIPZ trades pin count and metrology flexibility for compact packaging - both retain identical CPU, security, and low-power architecture.
Availability
MSP430F6767AIPEU is available at Aetrix Electronics and suitable for smart electricity metering, revenue-grade energy monitoring, and AMI endpoint node applications requiring stable component supply, long-term lifecycle support, and traceable sourcing for utility-grade deployments.
Supply support for MSP430F6767AIPEU 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 specializing in analog, embedded processing, and connectivity technologies with over 50 years of innovation in energy measurement ICs.
The MSP430F6767AIPEU belongs to TI's Metrology and Monitoring MCU portfolio, engineered specifically for ANSI/IEC-compliant smart grid metering with integrated sigma-delta ADCs, secure RTC, and ultra-low-power operation.
FAQ
What metrology accuracy does the MSP430F6767AIPEU achieve under standard conditions?
The MSP430F6767AIPEU achieves better than 0.1% accuracy over a 2000:1 dynamic range for phase current measurements. This performance meets or exceeds ANSI C12.20 Class 0.2 and IEC 62053-22/23 standards when used with calibrated current sensors and proper PCB layout. Accuracy is maintained across 40–70 Hz line frequencies using a single calibration point.
Does the MSP430F6767AIPEU support hardware-based energy pulse outputs?
Yes, the MSP430F6767AIPEU includes dedicated hardware pulse output pins for active and reactive energy. These outputs generate precise, CPU-independent pulses proportional to accumulated energy values - essential for calibration, LED indication, and interface with external billing or data loggers without software timing jitter.
How does the MSP430F6767AIPEU handle tamper detection and secure timekeeping?
The MSP430F6767AIPEU integrates a password-protected real-time clock with tamper detection logic that monitors case intrusion, voltage glitches, and temperature anomalies. Upon tamper event, it can trigger secure memory wipe, log timestamps, and disable sensitive functions - fulfilling IEC 62053-31 anti-tamper requirements for revenue-grade meters.
What LCD capabilities does the MSP430F6767AIPEU provide for meter displays?
The MSP430F6767AIPEU features an integrated LCD controller supporting up to 320 segments with software-configurable bias, duty, and contrast control. It drives multiplexed alphanumeric displays directly - eliminating external display controllers - and maintains operation at just 3 µA in LPM3 during AC mains failure for uninterrupted time/date display.
Which communication interfaces are available on the MSP430F6767AIPEU for smart meter connectivity?
The MSP430F6767AIPEU provides six enhanced universal serial communication interfaces: four eUSCI_A modules supporting UART, IrDA, and SPI; and two eUSCI_B modules supporting I²C and SPI. This enables concurrent connections to optical ports, PLC modems, secure modules, and HAN devices - all with hardware-level protocol acceleration and DMA support.
MSP430F6767AIPEU Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 128-LQFP
- Series:
- MSP430F6xx
- Packaging:
- Tube
- 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, 6x24b Sigma Delta Converter
- Number of I/O:
- 90
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 32K 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:
MSP430F6767AIPEU FAQ
1.How can I place an order for MSP430F6767AIPEU through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F6767AIPEU 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 MSP430F6767AIPEU reliable?
The price and inventory of MSP430F6767AIPEU are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F6767AIPEU is usually 5 days.
3.What payment methods are accepted for MSP430F6767AIPEU?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F6767AIPEU transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F6767AIPEU?
MSP430F6767AIPEU orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F6767AIPEU 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 MSP430F6767AIPEU?
For technical support, including MSP430F6767AIPEU datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F6767AIPEU requirements.
6.How does Aetrix verify that MSP430F6767AIPEU is sourced from the original manufacturer or authorized distributors?
All MSP430F6767AIPEU 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 MSP430F6767AIPEU meets industry standards.
7.What is the process for return or replacement of MSP430F6767AIPEU?
All MSP430F6767AIPEU units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F6767AIPEU, 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 MSP430F6767AIPEU part is unused and in its original packaging.
Return procedure for MSP430F6767AIPEU:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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