PIC16F19155-I/MV

Microcontrollers Overview

The PIC16F19155-I/MV is an 8-bit microcontroller from the PIC16(L)F191xx family, featuring a UQFN-28 package. It includes 14 kB of Flash program memory, 1 kB of data SRAM, and 256 bytes of EEPROM. The device operates at a maximum clock frequency of 32 MHz with a supply voltage range of 2.3 V to 5.5 V. It provides 24 I/O pins and integrates a 12-bit ADC with 20 channels, a 5-bit DAC, two comparators, and an LCD controller supporting up to 96 segments.

Microcontrollers Feature Summary

• Integrates Core Independent Peripherals (CIPs) and Intelligent Analog features for battery-powered applications
• Includes a 12-bit ADC controller capable of automating Capacitive Voltage Divider (CVD) techniques for touch sensing
• Features an integrated LCD controller with a charge pump for low-voltage operation and contrast control
• Supports active clock tuning of the HFINTOSC over voltage and temperature variations

Microcontrollers Applications

• Battery-powered LCD applications
• Advanced touch sensing systems
• TRIAC control circuits utilizing zero-cross detection
• General purpose embedded designs requiring intelligent analog peripherals

Microcontrollers Procurement Notes

Verify the specific ordering suffix against official Microchip documentation to confirm package type and temperature grade. Ensure compatibility with required interface standards such as EUSART, SPI, or I2C. Confirm that the industrial temperature range meets operational requirements. Cross-reference datasheet revision DS40001923B for accurate pinout and electrical specifications before finalizing procurement.

Microcontrollers Selection Notes

Select this component when designing systems requiring high peripheral integration within a compact 28-pin form factor. The inclusion of a dedicated LCD controller and charge pump makes it suitable for displays without external drivers. Consider the 12-bit ADC resolution and CVD capabilities if capacitive touch interfaces are necessary. Evaluate power consumption in Idle and Sleep modes against system battery life requirements.

Microcontrollers Part Context

This device belongs to the PIC16(L)F191xx series, which offers eXtreme Low-Power (XLP) technology combined with advanced analog peripherals. The family supports various pin counts including 28, 40, 44, and 48 pins. The 'I' designation indicates an industrial temperature range, while 'MV' specifies the UQFN package. It shares architectural similarities with other members like the PIC16LF19155 but differs in operating voltage ranges.

Microcontrollers Replacement Considerations

PIC16LF19155-I/MV

Microcontrollers FAQ

Does the PIC16F19155 support capacitive touch sensing?

Yes, the integrated 12-bit ADC controller can automate Capacitive Voltage Divider (CVD) techniques for advanced touch sensing, including averaging, filtering, and threshold comparison.

What is the maximum number of LCD segments supported?

The PIC16F19155 supports up to 96 LCD segments via its integrated LCD controller, which includes a charge pump for low-voltage operation.