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Texas Instruments MSP430G2152IN20
- Part No.:
- MSP430G2152IN20
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 20-DIP (0.300", 7.62mm)
- Datasheet:
-
MSP430G2152IN20.pdf
- Description:
- IC MCU 16BIT 1KB FLASH 20DIP
- Quantity:
- Payment:
- Shipping:
Inventory:467
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Product details
Overview
MSP430G2152IN20 from Texas Instruments is an ultra-low-power 16-bit RISC mixed-signal microcontroller in 20-pin PDIP packaging, featuring 1 kB Flash, 128 B RAM, one 16-bit Timer_A with three capture/compare registers, Universal Serial Interface (USI) for SPI/I²C, and an on-chip analog comparator. It operates from 1.8 V to 3.6 V and supports capacitive-touch I/O on up to 8 pins - used in battery-powered sensor nodes and portable instrumentation.
For engineers reviewing the MSP430G2152IN20 datasheet, MSP430G2152IN20 pinout, MSP430G2152IN20 application, or MSP430G2152IN20 equivalent, key selection criteria include its 1 kB Flash/128 B RAM memory configuration, absence of ADC10 (distinguishing it from G2x52 variants), PDIP-20 package compatibility with legacy prototyping, and Spy-Bi-Wire debug interface support.
Technical Context
The MSP430G2152IN20 implements a 16-bit CPU with seven addressing modes and 51 instructions, integrated with a basic clock module supporting DCO (calibrated at 1/8/12/16 MHz), LF oscillator, and external crystal input. Its five low-power modes-including LPM4 with 0.1 µA off-mode current-enable multi-year operation on coin-cell batteries.
Peripheral integration includes USI (SPI/I²C), Comparator_A+ with eight input channels, and Timer_A3 with three capture/compare registers. Unlike MSP430G2x52 devices, it lacks ADC10 functionality and has only one comparator channel enabled per device variant, confirmed by Table 1 and functional block diagrams.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 16 general-purpose registers and constant generators; enables single-cycle register operations and high code efficiency in embedded firmware. |
| Memory | 1 kB Flash (main memory) + 256 B information memory + 128 B RAM; supports in-system programming via Spy-Bi-Wire without external voltage. |
| Supply Voltage | 1.8 V to 3.6 V operating range; allows direct use with single Li-ion, two alkaline, or CR2032 cells without regulation overhead. |
| Ultra-Low Power | Active mode: 220 µA at 1 MHz/2.2 V; Standby: 0.5 µA; Off mode (RAM retention): 0.1 µA - enables >10-year battery life in wake-on-event sensor applications. |
| Timer & Interface | One 16-bit Timer_A with three capture/compare registers; USI supporting hardware SPI and I²C; no ADC10 - distinguishes it from G2x52 family members. |
| Package | 20-pin PDIP (N package); 0.3-inch width; through-hole compatible for breadboard evaluation and industrial control PCBs requiring serviceability. |
| Debug Interface | Spy-Bi-Wire (2-wire JTAG) via RST/NMI and TEST pins; enables full emulation, flash programming, and breakpoint debugging with minimal pin count. |
Pinout & Package
20-pin PDIP (N package), 0.3-inch body width, through-hole mounting. Pin functions validated per TI SLAS722G Table 2 and device-specific N-package top-view diagram.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (DVCC) | Power supply | Primary digital VCC input (1.8–3.6 V); must be decoupled locally with 100 nF ceramic capacitor. |
| 2 (P1.0/TA0CLK/ACLK/A0/CA0) | Multi-function I/O | Configurable as Timer_A clock input, ACLK output, analog input A0, or comparator CA0 - shared resource requiring software mode selection. |
| 16 (RST/NMI/SBWTDIO) | Reset & debug I/O | Active-low reset input; non-maskable interrupt source; bidirectional Spy-Bi-Wire data line - critical for programming and recovery. |
| 17 (TEST/SBWTCK) | Debug clock | Test mode select during programming; Spy-Bi-Wire clock input - must be pulled high externally for normal operation. |
| 19 (XIN/P2.6/TA0.1) | Oscillator & timer I/O | Crystal oscillator input (32 kHz); also serves as Timer_A compare output TA0.1 - requires external load capacitors when used as XIN. |
| 20 (DVSS) | Digital ground | Digital reference return path; must be connected to system ground plane with low-inductance trace to minimize noise coupling into analog peripherals. |
Key Features
| Feature | Design Value |
|---|---|
| Five power-saving modes | LPM0–LPM4 with sub-µA standby/off currents enable event-driven wake-up strategies - e.g., P1.x interrupts trigger measurement then return to LPM4 within 1 µs. |
| Digitally controlled oscillator (DCO) | Four factory-calibrated frequencies (1/8/12/16 MHz); stabilizes in <1 µs - eliminates need for external high-speed crystal in cost-sensitive timing applications. |
| Capacitive-touch I/O capability | Up to 8 pins support pin-oscillator mode for low-cost touch-button interfaces without external components - validated on P1.0–P1.7 per datasheet Section 6.3. |
| On-chip comparator (Comp_A+) | Eight-channel analog comparator with programmable hysteresis and internal reference; enables battery monitoring, threshold detection, and slope ADC without ADC10 hardware. |
| Programmable code protection | Security fuse prevents unauthorized readout of Flash contents - essential for protecting proprietary firmware in OEM sensor modules. |
Applications
| Smart Utility Meter Sensor Node | Portable Medical Glucose Monitor |
|---|---|
|
Use Scenario: Battery-powered meter reading unit that samples temperature, pressure, and flow sensors every 15 minutes, logs data, and transmits via RF link upon request. IC Role / Device Role / Timing Role: Main controller managing sensor acquisition, real-time clock synchronization via ACLK, low-power sleep/wake cycles, and USI-based SPI communication with RF transceiver. Use Value: 0.1 µA off-mode current extends CR2032 battery life beyond 5 years; Spy-Bi-Wire enables field firmware updates without disassembly. |
Use Scenario: Handheld glucose meter with tactile buttons, LCD display, and electrochemical test-strip interface requiring precise analog signal conditioning and low standby drain. IC Role / Device Role / Timing Role: System MCU handling button debouncing, comparator-based strip insertion detection, LCD timing via Timer_A, and USI-driven display controller interface. Use Value: Integrated comparator replaces external op-amp circuitry; 1.8 V minimum supply allows direct use of aging alkaline cells; PDIP package simplifies rework during clinical validation. |
| Industrial Panel-Mount Temperature Logger | Asset Tracking Beacon (Low-Cost) |
|
Use Scenario: DIN-rail mounted logger recording ambient temperature every 60 seconds using thermistor network, storing 30 days of data, and reporting via RS-485. IC Role / Device Role / Timing Role: Data acquisition engine using P1.x GPIO for thermistor biasing, Timer_A for precise sampling intervals, and USI in SPI mode to drive RS-485 transceiver. Use Value: 20-pin PDIP ensures mechanical robustness in vibration-prone enclosures; brownout detector prevents corrupted EEPROM writes during AC power dips. |
Use Scenario: Small form-factor logistics tag powered by button cell, waking hourly to read accelerometer and temperature, then broadcasting BLE-ready packet via external transceiver. IC Role / Device Role / Timing Role: Sensor hub coordinating wake timing (LPM4 + RTC), analog sensing via comparator thresholds, and USI-based SPI handoff of processed data to BLE SoC. Use Value: No ADC10 reduces die size/cost while comparator-based thresholding meets binary presence-detection requirements; 0.5 µA standby enables >2-year operation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430G2212IN20 | 2 kB Flash, 256 B RAM, same peripherals except dual comparator channels; identical PDIP-20 pinout and voltage range. | Supports larger firmware (e.g., Modbus RTU stack + diagnostics) and dual-threshold monitoring (e.g., over/under temp alerts). | Select when firmware growth headroom or redundant analog monitoring is required; drop-in replacement with no layout change. |
| MSP430G2132IN20 | 1 kB Flash, 128 B RAM, adds USI-based I²C master capability and enhanced comparator reference options; same package and core. | Enables direct connection to I²C sensors (e.g., humidity ICs) without level-shifting; improves accuracy in battery-supervision applications. | Choose when I²C peripheral integration reduces BOM count; verify I²C pull-up resistor values match target sensor specs. |
Compared with MSP430G2152IN20, MSP430G2212IN20 provides double Flash/RAM for feature-rich firmware while maintaining identical power profile and footprint, whereas MSP430G2132IN20 trades raw memory for expanded interface flexibility - both require no PCB revision but differ in firmware scalability and sensor connectivity scope.
Availability
MSP430G2152IN20 is available at Aetrix Electronics and suitable for smart utility meter sensor nodes, portable medical glucose monitors, industrial panel-mount temperature loggers, and asset tracking beacons requiring stable component supply across long-lifecycle deployments.
Supply support for MSP430G2152IN20 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 90 years of innovation in low-power design.
The MSP430G2xx family targets ultra-low-power mixed-signal applications including portable instrumentation, energy harvesting systems, and battery-operated industrial sensors - emphasizing sub-µA sleep currents and integrated analog front-ends.
FAQ
Does MSP430G2152IN20 include an ADC10 module?
No, MSP430G2152IN20 does not include the ADC10 analog-to-digital converter. Per TI SLAS722G Table 1 and functional block diagrams, ADC10 is exclusive to MSP430G2x52 devices (e.g., MSP430G2252IN20). The MSP430G2152IN20 retains the Comparator_A+ module for analog threshold detection but omits the 10-bit SAR ADC hardware entirely.
What is the maximum operating frequency of MSP430G2152IN20?
The MSP430G2152IN20 supports a maximum CPU clock frequency of 16 MHz via its digitally controlled oscillator (DCO), calibrated at four factory-set points (1/8/12/16 MHz). This is confirmed in the "Basic Clock Module Configurations" section and Table 9 of SLAS722G, with no external crystal required for high-speed operation.
Can MSP430G2152IN20 be programmed using standard JTAG?
MSP430G2152IN20 uses Spy-Bi-Wire (2-wire JTAG) for programming and debugging, not standard 4-wire JTAG. Pins RST/NMI/SBWTDIO (Pin 16) and TEST/SBWTCK (Pin 17) serve as the bidirectional data and clock lines. TI's MSP-FET and compatible debuggers support this interface natively - no adapter is needed.
Is the MSP430G2152IN20 pin-compatible with other 20-pin MSP430G2xx devices?
Yes, MSP430G2152IN20 shares identical 20-pin PDIP pinout and electrical characteristics with other IN20-packaged MSP430G2xx devices (e.g., MSP430G2212IN20, MSP430G2412IN20), as verified in Table 1 and the N-package pin diagrams of SLAS722G. Function mapping differs per variant, but physical layout and power/ground pin locations are consistent.
What development tools support MSP430G2152IN20 firmware development?
MSP430G2152IN20 is fully supported by TI's Code Composer Studio (CCS) IDE, naken430usb open-source debugger, and Energia Arduino-compatible framework. Hardware tools include the MSP-FET programmer/debugger and LaunchPad development kits (e.g., MSP-EXP430G2ET) - all recognizing the device ID and enabling flash programming, real-time debugging, and peripheral configuration.
MSP430G2152IN20 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 20-DIP (0.300", 7.62mm)
- Series:
- MSP430G2xx
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPU16
- Core Size:
- 16-Bit
- Speed:
- 16MHz
- Connectivity:
- I2C, SPI, USI
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O:
- 16
- Program Memory Size:
- 1KB (1K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 128 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:
- Through Hole
- Supplier Device Package:
MSP430G2152IN20 FAQ
1.How can I place an order for MSP430G2152IN20 through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430G2152IN20 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 MSP430G2152IN20 reliable?
The price and inventory of MSP430G2152IN20 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430G2152IN20 is usually 5 days.
3.What payment methods are accepted for MSP430G2152IN20?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430G2152IN20 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430G2152IN20?
MSP430G2152IN20 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430G2152IN20 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 MSP430G2152IN20?
For technical support, including MSP430G2152IN20 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430G2152IN20 requirements.
6.How does Aetrix verify that MSP430G2152IN20 is sourced from the original manufacturer or authorized distributors?
All MSP430G2152IN20 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 MSP430G2152IN20 meets industry standards.
7.What is the process for return or replacement of MSP430G2152IN20?
All MSP430G2152IN20 units undergo pre-shipment inspection (PSI). If there is an issue with MSP430G2152IN20, 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 MSP430G2152IN20 part is unused and in its original packaging.
Return procedure for MSP430G2152IN20:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MSP430G2152IN20 Tags
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ATTINY4-TSHR
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