TI MSP430TCH5EPW

The MSP430TCH5E device is an MSP430 microcontroller with haptic feedback support, featuring Immersion TouchSense technology. Haptic feedback technology uses mechanical vibration to provide tactile feedback, significantly reducing user errors in touch applications. Haptic feedback technology can be applied to a wide range of end equipment, including mobile phones, tablet computers, digital camera touchscreens, home appliances, computer peripherals, automotive products, and more. Haptic feedback technology can also be applied to portable media players, producing subwoofer-like effects through audio-to-haptic feedback technology. Haptic feedback technology is cost-effective to implement and serves as an efficient means of product differentiation. Immersion is a leading haptic feedback technology provider in the market, and the MSP430TCH5E device can be programmed to use Immersion TouchSense technology free of charge.

The MSP430TCH5E device belongs to Texas Instruments' MSP430 family of ultra-low-power microcontrollers, which includes a wide range of devices with different peripheral combinations suited for various applications. Its architecture, combined with five low-power modes, is optimized for portable measurement applications to extend battery life. The device features a powerful 16-bit RISC CPU, 16-bit registers, and a constant generator for maximum code efficiency. The digitally controlled oscillator (DCO) allows the device to wake up from low-power mode to active mode in less than 1 microsecond. Peripherals include a 16-bit timer, up to 24 capacitive touch I/O pins, a versatile analog comparator, a 10-bit ADC, and built-in communication capabilities via the universal serial communication interface (USCI). Configuration details are shown in Table 1.

Capacitive touch buttons are commonly combined with haptic feedback to enhance the user experience. The MSP430TCH5E device supports capacitive buttons, sliders, and scroll wheels in conjunction with Immersion TouchSense haptic feedback technology. Example applications include remote controls, gaming peripherals, computer peripherals, and control panels for TVs and home appliances.

Typical application configurations include:

• Touch devices, where the MSP430TCH5E device serves as both a haptic feedback and capacitive touch controller.
• Host control systems, where an external host controls the MSP430TCH5E haptic feedback controller device.
• Application consoles, where the MSP430TCH5E device acts as an audio-to-haptic feedback controller, converting audio input into corresponding haptic feedback effects.

The MSP430TCH5E should not be used in critical applications. "Critical applications" refers to situations where the failure, malfunction, or inaccuracy of a device or application could result in death or serious bodily injury.

• Certified for Immersion TouchSense technology with haptic feedback support
• 122 different haptic feedback effects
• Wide LRA and ERM actuator support for maximum design flexibility
• Highly customizable haptic effects: multi-effect sequencing, delay, and repeat counters
• Audio-synchronized haptic feedback playback (audio-to-haptic)
• Programmable solution with capacitive touch and system controller integration support
• License included
• Low supply voltage range: 1.8 V to 3.6 V
• Ultra-low power consumption
  • Active mode: 230 μA at 1 MHz, 2.2 V
  • Standby mode: 0.5 μA
  • Shutdown mode (RAM retention): 0.1 μA
• Five power-saving modes
• Ultra-fast wakeup from standby mode in less than 1 μs
• 16-bit RISC architecture with 62.5 ns instruction cycle time
• Basic clock module configuration
  • Internal frequency up to 16 MHz with four calibrated frequencies
  • Internal ultra-low-power LF oscillator
    • 32 kHz crystal
    • External digital clock source
• Two 16-bit Timer_A with three capture/compare registers
• Up to 24 capacitive touch I/O pins
• Universal Serial Communication Interface (USCI)
• Enhanced UART with automatic baud rate detection (LIN)
  • IrDA encoder and decoder
  • Synchronous SPI
  • I²C
• On-chip comparator for analog signal comparison or slope A/D conversion
• 10-bit 200 ksps ADC with internal reference, sample-and-hold, and auto-scan
• Brownout detector
• Serial in-system programming without external programming voltage, with programmable code protection via security fuse
• On-chip emulation logic with Spy-Bi-Wire interface
• Available in 28-pin TSSOP and 32-pin QFN (RHB) packages

• Touch devices requiring integrated capacitive touch and haptic feedback solutions
• Portable gaming consoles
• Portable navigation devices
• Application consoles
• Tablets
• Mobile phones