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Texas Instruments MSP430F4270IDLR
- Part No.:
- MSP430F4270IDLR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 48-BSSOP (0.295", 7.50mm Width)
- Datasheet:
-
MSP430F4270IDLR.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 48SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,028
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Product details
Overview
MSP430F4270IDLR from Texas Instruments is an ultralow-power 16-bit mixed-signal microcontroller featuring 32KB+256B Flash, 256B RAM, a 16-bit sigma-delta ADC with internal reference and five differential analog inputs, a 12-bit DAC, Timer_A3 with three capture/compare registers, integrated LCD driver for up to 56 segments, and operation from 1.8 V to 3.6 V. It targets battery-powered sensor systems and portable meters.
For engineers reviewing the MSP430F4270IDLR datasheet, MSP430F4270IDLR pinout, MSP430F4270IDLR application, or MSP430F4270IDLR equivalent, key selection criteria include its 32KB Flash capacity, 16-bit sigma-delta ADC resolution and input configuration, LCD segment drive capability (56 seg), standby current (1.1 μA), and 48-pin SSOP (DL) package compatibility with JTAG and BSL programming.
Technical Context
The MSP430F4270IDLR implements a 16-bit RISC CPU with constant generators and 125-ns instruction cycle time, paired with FLL+ clock system supporting ACLK (32.768 kHz crystal), MCLK (up to 8 MHz at 3.6 V), and SMCLK. Its low-power architecture enables five software-selectable modes, including LPM4 with 0.1 μA off-mode current and wake-up in <6 μs.
Peripherals are tightly integrated via shared data/address/control buses: SD16_A provides 16-bit sigma-delta conversion with internal reference and temperature/VCC sensing; DAC12 delivers 12-bit voltage output on P1.4/A3−/DAC0; LCD_A supports static/2–4-MUX displays using dedicated segment/common outputs and regulated charge pump contrast control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Flash Memory | 32KB + 256B main memory + 256B information memory - supports in-system programming via JTAG or BSL, enabling field firmware updates without external programmers. |
| RAM | 256B on-chip SRAM - sufficient for real-time sensor data buffering and interrupt service routine context storage in ultra-low-power applications. |
| ADC | 16-bit sigma-delta SD16_A with internal reference and five differential analog inputs - delivers high-resolution measurement for precision analog sensor interfaces (e.g., load cells, thermistors). |
| DAC | 12-bit DAC12 voltage-output DAC - provides programmable analog bias or calibration signal generation directly from P1.4 pin. |
| LCD Driver | Integrated LCD_A supporting up to 56 segments with 4-MUX capability and software-controllable contrast - eliminates external LCD bias IC and reduces BOM in metering and display-centric designs. |
| Power Consumption | Active mode: 250 μA at 1 MHz/2.2 V; Standby: 1.1 μA; Off mode (RAM retention): 0.1 μA - enables multi-year battery life in coin-cell-powered handheld instruments. |
| Operating Voltage | 1.8 V to 3.6 V supply range - compatible with single-cell Li-ion, LiFePO₄, or dual-cell alkaline batteries without regulation overhead. |
Pinout & Package
Package: 48-pin Plastic SSOP (DL), 0.635 mm pitch, JEDEC MS-012AC compliant. Pin count and thermal profile support compact PCB layouts in space-constrained portable instrumentation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0/TA0 | Timer_A Capture/Compare Input 0 / BSL Transmit | Primary UART TX for bootstrap loader communication; also serves as CCI0A input for event timing or pulse-width measurement. |
| P1.1/TA0/MCLK | Timer_A Capture/Compare Input 0 / MCLK Output / BSL Receive | Primary UART RX for BSL; configurable MCLK output enables clock distribution to external logic or sensors. |
| P1.4/A3−/DAC0 | Analog Input A3− / DAC12 Output | Single pin provides differential ADC input (A3−) and 12-bit voltage DAC output - supports ratiometric sensor excitation and closed-loop calibration. |
| P6.0/A0+ to P6.3/A1− | Differential Analog Inputs (A0+, A0−, A1+, A1−) | Four dedicated differential ADC input pairs - enable noise-rejecting measurements of bridge sensors or isolated transducers without external instrumentation amps. |
| P5.0/S1 to P5.7/S4, P2.0/S13 to P2.7/S6, S5, COM0–COM3 | LCD Segment and Common Outputs | 32 segment outputs + 4 common outputs - directly drive 4-MUX LCDs up to 56 segments (e.g., 14-digit numeric + status icons) with no external components. |
| TCK/TMS/TDI/TDO | JTAG Test Interface | Standard 4-wire JTAG interface - enables full-speed debugging, flash programming, and boundary-scan testing during development and production. |
Key Features
| Feature | Design Value |
|---|---|
| Ultralow-Power Operation | 0.1 μA off-mode current with RAM retention enables decade-scale battery life in always-on sensor nodes and utility meters. |
| Integrated Sigma-Delta ADC | 16-bit SD16_A with internal reference and five differential inputs eliminates need for external precision reference and front-end signal conditioning. |
| On-Chip LCD Driver | 56-segment capability with software-adjustable contrast via charge pump removes external LCD bias IC and reduces component count by ≥3. |
| Bootstrap Loader (BSL) | UART-based flash programming with password protection - allows firmware updates over existing serial interface without JTAG hardware. |
| FLL+ Clock System | Digital frequency-locked loop stabilizes DCO to crystal-derived ACLK, enabling sub-6-μs wake-up from LPM4 while maintaining timing accuracy. |
Applications
| Hand-Held Digital Multimeter | Smart Thermostat Controller |
|---|---|
Use Scenario: Portable, battery-operated instrument measuring voltage, current, resistance, and continuity with auto-ranging and hold functions. IC Role / Device Role / Timing Role: Central controller managing analog front-end (SD16_A), user interface (LCD_A + buttons), power sequencing, and low-power sleep/wake cycles. Use Value: 32KB Flash stores complex auto-ranging algorithms and calibration tables; 16-bit ADC resolves 0.01% measurement accuracy; 0.1 μA off-mode extends AA battery life beyond 5 years. |
Use Scenario: Residential HVAC controller with temperature/humidity sensing, relay actuation, and segmented LCD display showing setpoint, ambient, and schedule. IC Role / Device Role / Timing Role: Main MCU handling sensor acquisition (A0+/A0−, A1+/A1−), PID computation, LCD refresh, and 32.768 kHz real-time clock via ACLK. Use Value: Integrated LCD_A drives 48-segment display without external bias; DAC0 generates precise 2.5 V reference for humidity sensor; LPM3 mode (0.2 μA) maintains RTC during deep sleep. |
| Portable Gas Detector | Industrial Panel Meter |
Use Scenario: Intrinsically safe, battery-powered device detecting CO, H₂S, or O₂ using electrochemical sensors requiring precise bias and low-noise ADC. IC Role / Device Role / Timing Role: Signal conditioner and alarm manager - digitizing sensor output via SD16_A, applying digital filtering, and triggering audible/visual alerts. Use Value: Differential ADC inputs reject common-mode noise from long sensor cables; 1.1 μA standby current ensures >2-year operation on single CR123A cell; BSL enables field firmware patches for new gas profiles. |
Use Scenario: DIN-rail mounted meter displaying process variables (pressure, flow) with analog output (4–20 mA) and local LCD readout. IC Role / Device Role / Timing Role: Embedded controller acquiring analog inputs, computing linearization, driving LCD, and generating calibrated DAC output for transmitter interface. Use Value: DAC12 provides stable 4–20 mA loop current via external op-amp; 56-segment LCD displays engineering units and alarms simultaneously; Flash memory stores calibration coefficients per channel. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F4250IDL | 16KB Flash, 256B RAM, identical peripherals and pinout - differs only in Flash size and memory map. | Suitable for simpler sensor nodes with smaller firmware footprint; lacks space for advanced communication stacks or large lookup tables. | Select when firmware size ≤14KB and cost sensitivity outweighs future scalability needs. |
| MSP430F4260IDL | 24KB Flash, 256B RAM, same package and peripheral set - occupies intermediate memory tier between F4250 and F4270. | Balances code space for BLE stack integration or expanded UI logic while retaining all analog/LCD features of F4270IDLR. | Choose for mid-complexity applications requiring more Flash than F4250 but less than full 32KB allocation. |
Compared with MSP430F4250IDL and MSP430F4260IDL, the MSP430F4270IDLR provides maximum on-chip program storage (32KB) for feature-rich firmware - critical for devices implementing multiple communication protocols, cryptographic security, or adaptive calibration algorithms without external memory.
Availability
MSP430F4270IDLR is available at Aetrix Electronics and suitable for hand-held meters, smart thermostats, and portable gas detectors requiring stable component supply and long-term industrial availability.
Supply support for MSP430F4270IDLR 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 decades of expertise in ultralow-power design.
The MSP430F4270IDLR belongs to the MSP430x4xx mixed-signal microcontroller family, engineered specifically for battery-powered measurement and display applications where precision analog integration, minimal power draw, and compact packaging are essential.
FAQ
What is the maximum operating frequency of the MSP430F4270IDLR at 3.6 V?
The MSP430F4270IDLR achieves a maximum system clock (MCLK) frequency of 8 MHz at 3.6 V supply voltage, as specified in the recommended operating conditions. This frequency is generated by the FLL+ module locked to the external 32.768 kHz watch crystal or internal DCO. The MSP430F4270IDLR's 125-ns instruction cycle time supports deterministic real-time execution at this rate.
Does the MSP430F4270IDLR support JTAG debugging and programming?
Yes, the MSP430F4270IDLR supports full JTAG interface via pins TCK (pin 4), TMS (pin 3), TDI/TCLK (pin 2), and TDO/TDI (pin 1) in the DL package. This enables hardware debugging, flash programming, and boundary-scan testing using standard TI tools like MSP-FET or third-party JTAG adapters - no bootloader required for initial firmware load.
How many LCD segments can the MSP430F4270IDLR drive, and what multiplexing configurations are supported?
The MSP430F4270IDLR integrates LCD_A capable of driving up to 56 segments using static, 2-MUX, 3-MUX, or 4-MUX configurations. Its dedicated segment outputs (P5.x, P2.x, S5) and four common outputs (COM0–COM3) allow direct connection to alphanumeric or custom segment displays without external bias circuitry or charge pumps.
What analog input configurations does the SD16_A module support on the MSP430F4270IDLR?
The SD16_A module on the MSP430F4270IDLR supports five differential analog input channels: A0+ / A0−, A1+ / A1−, A2+ / A2−, A3+ / A3−, and A4+ / A4−. It also includes internal VCC and temperature sensor inputs. All differential pairs are routed to dedicated pins (e.g., P6.0/P6.1 for A0+ / A0−), enabling high-precision, noise-immune measurements without external amplifiers.
Is the MSP430F4270IDLR pin-compatible with other members of the MSP430F42x0 family?
Yes, the MSP430F4270IDLR in the DL (48-pin SSOP) package shares identical pinout and electrical characteristics with MSP430F4250IDL and MSP430F4260IDL. Firmware and hardware designs targeting one part can be reused across the family - only Flash size and memory map differ, requiring no PCB changes or schematic updates.
MSP430F4270IDLR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 48-BSSOP (0.295", 7.50mm Width)
- Series:
- MSP430x4xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPU16
- Core Size:
- 16-Bit
- Speed:
- 8MHz
- Connectivity:
- -
- Peripherals:
- Brown-out Detect/Reset, LCD, POR, PWM, WDT
- Number of I/O:
- 32
- Program Memory Size:
- 32KB (32K x 8 + 256B)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 256 x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 1x16b; D/A 1x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F4270IDLR FAQ
1.How can I place an order for MSP430F4270IDLR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F4270IDLR 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 MSP430F4270IDLR reliable?
The price and inventory of MSP430F4270IDLR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F4270IDLR is usually 5 days.
3.What payment methods are accepted for MSP430F4270IDLR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F4270IDLR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F4270IDLR?
MSP430F4270IDLR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F4270IDLR 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 MSP430F4270IDLR?
For technical support, including MSP430F4270IDLR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F4270IDLR requirements.
6.How does Aetrix verify that MSP430F4270IDLR is sourced from the original manufacturer or authorized distributors?
All MSP430F4270IDLR 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 MSP430F4270IDLR meets industry standards.
7.What is the process for return or replacement of MSP430F4270IDLR?
All MSP430F4270IDLR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F4270IDLR, 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 MSP430F4270IDLR part is unused and in its original packaging.
Return procedure for MSP430F4270IDLR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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