SLAS734G April 2011  – April 2016 MSP430G2203 , MSP430G2233 , MSP430G2303 , MSP430G2333 , MSP430G2403 , MSP430G2433 , MSP430G2533


  1. 1Device Overview
    1. 1.1Features
    2. 1.2Applications
    3. 1.3Description
    4. 1.4Functional Block Diagrams
  2. 2Revision History
  3. 3Device Comparison
    1. 3.1Related Products
  4. 4Terminal Configuration and Functions
    1. 4.1Pin Diagrams
    2. 4.2Signal Descriptions
  5. 5Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Active Mode Supply Current Into VCC Excluding External Current
    5. 5.5 Typical Characteristics, Active Mode Supply Current (Into VCC)
    6. 5.6 Low-Power Mode Supply Currents (Into VCC) Excluding External Current
    7. 5.7 Typical Characteristics, Low-Power Mode Supply Currents
    8. 5.8 Thermal Resistance Characteristics
    9. 5.9 Schmitt-Trigger Inputs, Ports Px
    10. 5.10Leakage Current, Ports Px
    11. 5.11Outputs, Ports Px
    12. 5.12Output Frequency, Ports Px
    13. 5.13Typical Characteristics - Outputs
    14. 5.14Pin-Oscillator Frequency - Ports Px
    15. 5.15Typical Characteristics - Pin-Oscillator Frequency
    16. 5.16POR, BOR
    17. 5.17Main DCO Characteristics
    18. 5.18DCO Frequency
    19. 5.19Calibrated DCO Frequencies, Tolerance
    20. 5.20Wake-up Times From Lower-Power Modes (LPM3, LPM4)
    21. 5.21Typical Characteristics, DCO Clock Wake-up Time From LPM3 or LPM4
    22. 5.22Crystal Oscillator, XT1, Low-Frequency Mode
    23. 5.23Internal Very-Low-Power Low-Frequency Oscillator (VLO)
    24. 5.24Timer_A
    25. 5.25USCI (UART Mode)
    26. 5.26USCI (SPI Master Mode)
    27. 5.27USCI (SPI Slave Mode)
    28. 5.28USCI (I2C Mode)
    29. 5.2910-Bit ADC, Power Supply and Input Range Conditions (MSP430G2x33 Only)
    30. 5.3010-Bit ADC, Built-In Voltage Reference (MSP430G2x33 Only)
    31. 5.3110-Bit ADC, External Reference (MSP430G2x33 Only)
    32. 5.3210-Bit ADC, Timing Parameters (MSP430G2x33 Only)
    33. 5.3310-Bit ADC, Linearity Parameters (MSP430G2x33 Only)
    34. 5.3410-Bit ADC, Temperature Sensor and Built-In VMID (MSP430G2x33 Only)
    35. 5.35Flash Memory
    36. 5.36RAM
    37. 5.37JTAG and Spy-Bi-Wire Interface
    38. 5.38JTAG Fuse
  6. 6Detailed Description
    1. 6.1 CPU
    2. 6.2 Instruction Set
    3. 6.3 Operating Modes
    4. 6.4 Interrupt Vector Addresses
    5. 6.5 Special Function Registers (SFRs)
    6. 6.6 Memory Organization
    7. 6.7 Bootloader (BSL)
    8. 6.8 Flash Memory
    9. 6.9 Peripherals
      1. 6.9.1Oscillator and System Clock
      2. 6.9.2Calibration Data Stored in Information Memory Segment A
      3. 6.9.3Brownout
      4. 6.9.4Digital I/O
      5. 6.9.5WDT+ Watchdog Timer
      6. 6.9.6Timer_A3 (TA0, TA1)
      7. 6.9.7Universal Serial Communications Interface (USCI)
      8. 6.9.8ADC10 (MSP430G2x33 Only)
      9. 6.9.9Peripheral File Map
    10. 6.10I/O Port Diagrams
      1. 6.10.1Port P1 Pin Diagram: P1.0 to P1.2, Input/Output With Schmitt Trigger
      2. 6.10.2Port P1 Pin Diagram: P1.3, Input/Output With Schmitt Trigger
      3. 6.10.3Port P1 Pin Diagram: P1.4, Input/Output With Schmitt Trigger
      4. 6.10.4Port P1 Pin Diagram: P1.5 to P1.7, Input/Output With Schmitt Trigger
      5. 6.10.5Port P2 Pin Diagram: P2.0 to P2.5, Input/Output With Schmitt Trigger
      6. 6.10.6Port P2 Pin Diagram: P2.6, Input/Output With Schmitt Trigger
      7. 6.10.7Port P2 Pin Diagram: P2.7, Input/Output With Schmitt Trigger
      8. 6.10.8Port P3 Pin Diagram: P3.0 to P3.7, Input/Output With Schmitt Trigger (RHB and PW28 Package Only)
  7. 7Device and Documentation Support
    1. 7.1Getting Started and Next Steps
    2. 7.2Device Nomenclature
    3. 7.3Tools and Software
    4. 7.4Documentation Support
    5. 7.5Related Links
    6. 7.6Community Resources
    7. 7.7Trademarks
    8. 7.8Electrostatic Discharge Caution
    9. 7.9Glossary
  8. 8Mechanical, Packaging, and Orderable Information

3 Device Comparison

Table 3-1 compares the available family members.

Table 3-1 Device Comparison(1)(2)

MSP430G253311165122x TA381LF, DCO, VLO2432-QFN
MSP430G24331185122x TA381LF, DCO, VLO2432-QFN
MSP430G23331142562x TA381LF, DCO, VLO2432-QFN
MSP430G22331122562x TA381LF, DCO, VLO2432-QFN
MSP430G24031185122x TA31LF, DCO, VLO2432-QFN
MSP430G23031142562x TA31LF, DCO, VLO2432-QFN
MSP430G22031122562x TA31LF, DCO, VLO2432-QFN
(1) For the most current device, package, and ordering information, see the Package Option Addendum in Section 8, or see the TI website at
(2) Package drawings, thermal data, and symbolization are available at

For information about other devices in this family of products or related products, see the following links.

    Products for Ultra-low Power MCUs MSP Ultra-Low-Power microcontrollers (MCUs) from Texas Instruments (TI) offer the lowest power consumption and the perfect mix of integrated peripherals for a wide range of low-power and portable applications.
    Products for MSP430G2x/i2x Low-Cost Industrial MCUs MSP430G2x microcontrollers (MCUs) from the MSP ultra-low-power MCU series, offers the low power and performance of 16-bit MSP microcontrollers with a feature set targeted at cost sensitive applications.
    Reference Designs for MSP430G2533 TI Designs Reference Design Library is a robust reference design library that spans analog, embedded processor, and connectivity. Created by TI experts to help you jump start your system design, all TI Designs include schematic or block diagrams, BOMs, and design files to speed your time to market. Search and download designs at