MSP430FR2632IRGER 16-bit Microcontrollers IC MCU Capacitive Touch MCU with 8 touch IO 8 sensors

16-bit Microcontrollers - MCU Capacitive Touch MCU with 8 touch IO (8 sensors), 8KB FRAM, 1KB SRAM, 15 IO, 10-bit ADC 24-VQFN -40 to 85

Texas Instruments MSP430FR263x / MSP430FR253x Ultra-Low-Power MCUs

Applications

Thermostats
Electronic access control
Lighting control
Electronic door locks
White goods
Small appliances
Personal electronics

Description:

MSP430FR263x / MSP430FR253x Ultra-Low-Power Microcontrollers are FRAM-based ultra-low-power MSP microcontrollers that feature CapTIvate touch technology. These are designed for buttons, sliders, wheels (BSW), and proximity applications. CapTIvate technology provides the highest resolution capacitive-touch solution in the market with high reliability and noise immunity at the lowest power. CapTIvate technology supports concurrent self-capacitance and mutual-capacitance electrodes on the same design for maximum flexibility. Using the CapTIvate Design Center, engineers can quickly develop BSW applications with an easy-to-use GUI.

Microcontroller IC (MCU) and processor Specification :MSP430FR263

Features:

Embedded microcontroller:
16-Bit RISC architecture
Clock supports frequencies up to 16MHz
Wide supply voltage range from 1.8V to 3.6V (minimum supply voltage is restricted by SVS levels)
Optimized ultra-low-power modes:
Active mode: 126µA/MHz (Typical)
Standby
1.7µA/Button Average (Typical) (16 self-capacitance buttons, 8Hz scanning)
1.7µA/Button Average (Typical) (64 mutual-capacitance buttons, 8Hz scanning)
LPM3.5 Real-Time Clock (RTC) counter with 32768Hz crystal: 770nA (Typical)
Shutdown (LPM4.5): 15nA (Typical)
Low-Power Ferroelectric RAM (FRAM):
Up to 15.5KB of non-volatile memory
Built-In Error Correction Code (ECC)
Configurable write protection
Unified memory of program, constants, and storage
1015 write cycle endurance
Ration resistant and non-magnetic
High FRAM-to-SRAM ratio, up to 4:1
Intelligent Digital Peripherals:
Four 16-Bit Timers
Two Timers with Three Capture/Compare Registers each (Timer_A3)
Two Timers with Two Capture/Compare Registers each (Timer_A2)
One 16-Bit Timer associated with CapTIvate Technology
One 16-Bit counter-Only RTC
16-Bit Cyclic Redundancy Check (CRC)
Enhanced serial communications:
Two enhanced universal serial communication interfaces (eUSCI_A) support UART, IrDA, and SPI
One eUSCI (eUSCI_B) supports SPI and I2C
High-performance analog:
8-Channel 10-Bit Analog-to-Digital Converter (ADC)
Internal 1.5V reference
Sample-and-Hold 200ksps
CapTIvate Technology - Capacitive Touch
Performance:
Fast electrode scanning with four simultaneous scans
Support for high-resolution sliders with >1024 points
30cm proximity sensing
Reliability:
Increased immunity to power-line, RF, and other environmental noise
Built-in spread spectrum, automatic tuning, noise filtering, and debouncing algorithms
Enables reliable touch solutions with 10V RMS common-mode noise, 4kV electrical fast transients, and 15kV electrostatic discharge, allowing for IEC-61000-4-6, IEC-61000-4-4, and IEC-61000-4-2 compliance
Reduced RF emissions to simplify electrical designs
Support for metal touch and water rejection designs
Flexibility:
Up to 16 self-capacitance and 64 mutual-capacitance electrodes
Mix and match self and mutual-capacitive electrodes in the same design
Supports multi-touch functionality
Wide range of capacitance detection, wide electrode range of 0 to 300pF
Low Power:
< 0.9µA/Button in wake-on-touch mode, where capacitive measurement and touch detection is done by hardware state machine while CPU is Asleep
Wake-on-Touch state machine allows electrode scanning while CPU is Asleep
Hardware acceleration for environmental compensation, filtering, and threshold detection
Ease of use:
CapTIvate design center, PC GUI lets engineers design and tune capacitive buttons in Real Time without having to write code
CapTIvate software library in ROM provides Ample FRAM for customer application

Microcontroller IC (MCU) and processor part number:

TMS320C28341-Functional Diagram:

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