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Texas Instruments MSP430FG4260IDL
- Part No.:
- MSP430FG4260IDL
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 48-BSSOP (0.295", 7.50mm Width)
- Datasheet:
-
MSP430FG4260IDL.pdf
- Description:
- IC MCU 16BIT 24KB FLASH 48SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,836
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Product details
Overview
MSP430FG4260IDL from Texas Instruments is an ultralow-power 16-bit mixed-signal microcontroller with 24KB+256B Flash, 256B RAM, integrated 16-bit sigma-delta ADC, 12-bit DAC, two configurable op-amps, LCD driver for up to 56 segments, and Timer_A3 with three capture/compare registers - deployed in battery-powered sensor systems and portable meters.
For engineers reviewing the MSP430FG4260IDL datasheet, MSP430FG4260IDL pinout, MSP430FG4260IDL application, or MSP430FG4260IDL equivalent, key selection criteria include its 1.8–3.6 V supply range, sub-6 μs wake-up from standby, 250 μA active-mode current at 1 MHz/2.2 V, and SSOP-48 package compatibility with analog front-end and LCD display integration.
Technical Context
The MSP430FG4260IDL implements a 16-bit RISC CPU with constant generators and seven addressing modes, enabling single-cycle register operations and high code efficiency. Its FLL+ clock system supports ACLK (32.768 kHz crystal), MCLK (CPU clock), and SMCLK (peripheral clock), with DCO stabilization in under 6 μs.
It integrates SD16_A - a 16-bit sigma-delta ADC with internal reference and five differential analog inputs - alongside DAC12 (12-bit voltage-output DAC) and two software-configurable op-amps (OA0/OA1) with programmable input multiplexing and feedback paths, all optimized for precision analog signal conditioning prior to conversion.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Flash Memory | 24KB + 256B main memory; enables firmware storage for complex sensor algorithms and BSL-based field updates without external memory. |
| RAM | 256B on-chip RAM; sufficient for real-time variable buffering and stack depth in low-footprint embedded control tasks. |
| Supply Voltage | 1.8 V to 3.6 V; supports direct operation from single Li-ion, coin-cell, or regulated 3.3 V rails without LDO overhead. |
| Active Current | 250 μA at 1 MHz / 2.2 V; minimizes battery drain during measurement cycles in portable handheld instruments. |
| Standby Current | 1.1 μA; allows multi-week operation in sleep-wait-for-interrupt mode in thermostats and remote sensors. |
| LCD Driver | Integrated LCD_A module supporting static, 2-/3-/4-MUX displays up to 56 segments with software-controlled contrast via charge pump. |
| ADC Resolution | 16-bit sigma-delta (SD16_A) with internal reference; delivers high-precision DC-coupled measurements for strain gauges and temperature sensors. |
Pinout & Package
Package: 48-pin Plastic SSOP (DL), 0.635 mm pitch, body size 10.2 × 5.31 mm - suitable for cost-sensitive, space-constrained PCB layouts requiring manual assembly or standard reflow.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0/TA0 | Timer_A capture/compare input, BSL transmit | Primary UART TX for bootstrap loader programming; also serves as CCI0A input for pulse-width timing or event capture. |
| P1.1/TA0/MCLK | Timer_A capture input, MCLK output, BSL receive | UART RX for BSL; MCLK output enables clock distribution to external logic or verification probes. |
| P6.0/A0+/OA0O | Analog input (+), op-amp 0 output | Configurable as differential ADC input A0+ or OA0 output - supports transducer signal amplification before SD16_A conversion. |
| P6.1/A0−/OA0FB | Analog input (−), op-amp 0 feedback | Provides negative input for A0 differential pair or closed-loop feedback path for OA0 gain setting. |
| P5.4/COM3 | LCD common output | One of four COM outputs driving LCD backplane; enables 4-MUX segment drive for up to 56-segment displays. |
| RST/NMI | Reset / nonmaskable interrupt input | Hardware reset initiation and NMI event handling - critical for brownout recovery and safety-critical fault detection. |
| XIN/XOUT | Crystal oscillator input/output | Supports 32.768 kHz watch crystal for accurate real-time clock and low-power ACLK generation. |
Key Features
| Feature | Design Value |
|---|---|
| Five power-saving modes | Enables dynamic power scaling from full-speed operation (AM) down to 0.1 μA off-mode with RAM retention - essential for energy harvesting and long-life battery designs. |
| Integrated LCD driver | Eliminates external LCD controller IC and discrete charge pump components, reducing BOM count and PCB area in digital meters and thermostats. |
| Two configurable op-amps | Each OA supports selectable input sources (A0+/A0−, OA0I0/OA0I1/OA0I2) and feedback paths, enabling programmable gain/offset stages for sensor signal conditioning. |
| 16-bit sigma-delta ADC | Provides 16-bit resolution with internal reference and five differential inputs - directly interfaces thermistors, bridge sensors, and current shunts without external signal chain. |
| Bootstrap loader (BSL) | Enables in-system flash programming via UART using P1.0/P1.1, removing need for JTAG debugger in production programming and field firmware updates. |
Applications
| Hand-Held Digital Multimeter | Programmable Thermostat |
|---|---|
Use Scenario: Portable, battery-operated instrument measuring voltage, current, and resistance with auto-ranging and hold function. IC Role / Device Role / Timing Role: Central controller executing measurement routines, managing 3½-digit LCD display, digitizing analog inputs via SD16_A, and regulating power states. Use Value: Integrated 16-bit ADC, LCD driver, and ultralow standby current (1.1 μA) enable >100-hour battery life and single-chip analog/digital integration. |
Use Scenario: Residential HVAC control unit monitoring ambient temperature, humidity, and user setpoints, with local display and relay actuation. IC Role / Device Role / Timing Role: Main MCU handling sensor acquisition (via SD16_A and op-amps), PID computation, 4-MUX LCD drive, and timed relay switching. Use Value: On-chip op-amps condition thermistor signals; 24KB Flash stores calibration tables and UI logic; 56-segment LCD support enables clear multi-parameter display. |
| Digital Timer/Stopwatch | Remote Sensor Node |
Use Scenario: Compact, low-cost timing device with start/stop/lap functions, backlight control, and elapsed time logging. IC Role / Device Role / Timing Role: Real-time counter using Timer_A3 and ACLK from 32.768 kHz crystal; drives segmented LCD and manages button interrupts. Use Value: Sub-6 μs wake-up from LPM3 ensures immediate response to button press; integrated LCD_A eliminates external display driver IC. |
Use Scenario: Wireless environmental monitor (temperature, light, motion) operating on coin cell for >1 year, transmitting data periodically. IC Role / Device Role / Timing Role: Data acquisition hub acquiring analog sensor data, performing basic preprocessing, and entering deep sleep between transmissions. Use Value: 0.1 μA off-mode with RAM retention preserves state across sleep; SD16_A's internal reference ensures stable readings across voltage droop. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430FG4250IDL | 16KB+256B Flash, same peripherals and package; lacks 8KB program memory of MSP430FG4260IDL. | Suitable for simpler firmware with smaller code footprint; not recommended when algorithm complexity exceeds 16KB. | Select when application logic fits within 16KB Flash and cost sensitivity outweighs future firmware scalability needs. |
| MSP430FG4270IDL | 32KB+256B Flash, identical architecture and peripheral set; adds 8KB Flash over MSP430FG4260IDL. | Required for feature-rich UI, cryptographic libraries, or extended sensor fusion algorithms beyond 24KB capacity. | Choose when firmware growth headroom or field-upgrade capability demands >24KB executable space. |
Compared with MSP430FG4250IDL and MSP430FG4270IDL, the MSP430FG4260IDL provides optimal balance of Flash capacity (24KB), analog integration, and SSOP-48 footprint - making it ideal for mid-complexity portable instrumentation where memory margin matters but cost must remain controlled.
Availability
MSP430FG4260IDL is available at Aetrix Electronics and suitable for hand-held meters, programmable thermostats, and digital timers requiring stable component supply, long-term manufacturability, and TI-qualified industrial temperature grade (−40°C to 85°C).
Supply support for MSP430FG4260IDL 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 ultra-low-power design.
The MSP430FG42x0 product line targets portable, battery-powered measurement systems - integrating precision analog peripherals, LCD control, and aggressive power management to extend operational life in handheld and remote sensing applications.
FAQ
What is the maximum operating frequency of the MSP430FG4260IDL?
The MSP430FG4260IDL does not specify a maximum system clock frequency in its datasheet; instead, it relies on the FLL+ module to stabilize the DCO to multiples of the ACLK source (e.g., 32.768 kHz crystal). Typical MCLK operation reaches up to ~8 MHz, confirmed by FLL+ configuration limits and timing specifications in SLAS556A. The MSP430FG4260IDL achieves 125-ns instruction cycle time, implying effective CPU throughput aligned with this clock range.
Does the MSP430FG4260IDL support JTAG debugging?
Yes, the MSP430FG4260IDL supports full JTAG emulation and programming via dedicated pins TCK (pin 4), TMS (pin 3), TDI/TCLK (pin 2), and TDO/TDI (pin 1) in the DL package. These pins interface with TI's MSP-FET430UIF or compatible debuggers for real-time code download, breakpoint execution, and peripheral register inspection - fully documented in the MSP430x4xx Family User's Guide (SLAU056).
How many LCD segments can the MSP430FG4260IDL drive, and what mux configurations are supported?
The MSP430FG4260IDL's LCD_A module supports up to 56 segments using static, 2-MUX, 3-MUX, or 4-MUX configurations. It provides four COM outputs (COM0–COM3) and 14 SEG outputs (S0–S13 plus S5 and additional P2/P5 pins mapped as segments), enabling flexible display layouts. Contrast is software-adjustable via charge pump voltage control registers LCDAVCTL0/1 - a capability confirmed in the functional block diagram and LCD_A section of SLAS556A.
Can the op-amps in the MSP430FG4260IDL be used in standalone mode without the ADC?
Yes, both OA0 and OA1 in the MSP430FG4260IDL operate independently of the SD16_A ADC. Their inputs (e.g., OA0I0, OA0I1, OA0I2) and feedback paths (OA0FB) are software-selectable via OA0CTL0/OA0CTL1 registers, allowing use as general-purpose amplifiers, comparators, or active filters. The datasheet explicitly states "two configurable operational amplifiers" with no dependency on ADC activation - verified in the "Operational Amplifier (OA)" section (page 15) of SLAS556A.
What is the purpose of the LCDCAP and LCDREF pins on the MSP430FG4260IDL?
LCDCAP (pin 30) connects an external capacitor to stabilize the internal charge pump generating boosted LCD voltage; LCDREF (pin 29) accepts an external reference or supplies the third most positive LCD voltage level (V3/V4) for bias generation. Together, they enable software-controlled contrast adjustment and stable segment/common drive voltages independent of DVCC - a feature confirmed in the "LCD driver with regulated charge pump" section (page 13) and pin-function table (page 5) of SLAS556A.
MSP430FG4260IDL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 48-BSSOP (0.295", 7.50mm Width)
- Series:
- MSP430x4xx
- Packaging:
- Tube
- Product Status:
- Obsolete
- 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:
- 24KB (24K 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 5x16b; D/A 1x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430FG4260IDL FAQ
1.How can I place an order for MSP430FG4260IDL through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430FG4260IDL 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 MSP430FG4260IDL reliable?
The price and inventory of MSP430FG4260IDL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FG4260IDL is usually 5 days.
3.What payment methods are accepted for MSP430FG4260IDL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FG4260IDL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430FG4260IDL?
MSP430FG4260IDL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430FG4260IDL 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 MSP430FG4260IDL?
For technical support, including MSP430FG4260IDL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FG4260IDL requirements.
6.How does Aetrix verify that MSP430FG4260IDL is sourced from the original manufacturer or authorized distributors?
All MSP430FG4260IDL 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 MSP430FG4260IDL meets industry standards.
7.What is the process for return or replacement of MSP430FG4260IDL?
All MSP430FG4260IDL units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FG4260IDL, 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 MSP430FG4260IDL part is unused and in its original packaging.
Return procedure for MSP430FG4260IDL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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