Overview
The Texas Instruments MSP430F123IPWR is an ultralow-power mixed signal microcontroller from the MSP430 family. This device is designed to optimize power consumption, making it ideal for applications requiring extended battery life, particularly in portable measurement systems. The MSP430F123IPWR features a powerful 16-bit RISC CPU with 16-bit registers and constant generators, ensuring maximum code efficiency. It also includes a digitally controlled oscillator (DCO) that enables quick wake-up from low-power modes to active mode in less than 6 µs.
Key Specifications
| Parameter | Value |
|---|---|
| Core Size | 16-Bit |
| Core Processor | MSP430 CPU16 |
| Program Memory Type | FLASH |
| Program Memory Size | 8KB (8K x 8 + 256B) |
| RAM Size | 256 x 8 |
| Operating Temperature Range | -40°C to 85°C |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Speed | 8 MHz |
| Package Type | 28-TSSOP |
| Number of I/O Pins | 22 |
| Connectivity | SPI, UART/USART |
| Data Converters | Slope A/D |
| Peripherals | POR, PWM, WDT |
| Oscillator Type | Internal |
Key Features
- Low Supply Voltage Range: 1.8 V to 3.6 V
- Ultralow-Power Consumption:
- Active Mode: 200 µA at 1 MHz, 2.2 V
- Standby Mode: 0.7 µA
- Off Mode (RAM Retention): 0.1 µA
- Five Power Saving Modes
- Wake-Up From Standby Mode in less than 6 µs
- 16-Bit RISC Architecture, 125 ns Instruction Cycle Time
- Basic Clock Module Configurations:
- Various Internal Resistors
- Single External Resistor
- 32 kHz Crystal
- High Frequency Crystal
- Resonator
- External Clock Source
- 16-Bit Timer_A With Three Capture/Compare Registers
- On-Chip Comparator for Analog Signal Compare Function or Slope A/D Conversion
- Serial Communication Interface (USART0) Software-Selects Asynchronous UART or Synchronous SPI
- Serial Onboard Programming, No External Programming Voltage Needed Programmable Code Protection by Security Fuse
Applications
The MSP430F123IPWR is suitable for various applications that require low power consumption and efficient processing. Typical applications include:
- Sensor systems that capture analog signals, convert them to digital values, and then process the data and display them or transmit them to a host system.
- Stand-alone RF sensor front ends.
- Portable measurement applications where extended battery life is crucial.
- Resistive sensor applications utilizing the I/O port inputs for single slope A/D conversion capability.
Q & A
- What is the core size of the MSP430F123IPWR microcontroller?
The core size is 16-bit.
- What is the program memory size of the MSP430F123IPWR?
The program memory size is 8KB (8K x 8 + 256B).
- What is the operating temperature range of the MSP430F123IPWR?
The operating temperature range is -40°C to 85°C.
- What are the power consumption modes of the MSP430F123IPWR?
The device has five power saving modes, including Active Mode, Standby Mode, and Off Mode (RAM Retention).
- What communication interfaces does the MSP430F123IPWR support?
The device supports SPI and UART/USART communication interfaces.
- Does the MSP430F123IPWR have onboard programming capabilities?
Yes, it supports serial onboard programming without the need for an external programming voltage.
- What type of data converters does the MSP430F123IPWR have?
The device features slope A/D data converters.
- How many I/O pins does the MSP430F123IPWR have?
The device has 22 I/O pins.
- Is the MSP430F123IPWR RoHS compliant?
Yes, the MSP430F123IPWR is lead-free and RoHS compliant.
- What is the wake-up time from standby mode to active mode?
The wake-up time is less than 6 µs.
