MIKROE-2474

MIKROE-2474 Datasheet

PID MIKROE-2474

Part	Datasheet
MIKROE-2474	MIKROE-2474 (pdf)

PDF Datasheet Preview
TouchKey 2 click PID MIKROE-2474 TouchKey 2 click has four capacitive pads powered by ATtiny817 which has an integrated touch controller. The click is designed to run on a 3.3V power supply. The four LEDs onboard the click indicate when the Key Pad is pressed. TouchKey 2 click communicates with the target microcontroller over UART interface SPI interface is optional . High moisture tolerance You can use TouchKey 2 click in all kinds of conditions, without fearing something will happen to it due to moisture and water droplets falling on it. The plastic overlay on the TouchKey 2 click protects the board from moisture. Thanks to this feature the electronic components are safe. The ATtiny817 has a driven shield for improved moisture and noise handling performance. ATtiny817 features The ATtiny817 is a microcontroller that uses an 8-bit processor with hardware multiplier, running at up to 20MHz and with up to 8KB Flash, 512 bytes of SRAM and 128 bytes of EEPROM. ATtiny817 uses the latest technologies from with a flexible and low power architecture including Event System and SleepWalking, accurate analog features and advanced peripherals. Capacitive touch interfaces with proximity sensing and driven shield are supported with the integrated peripheral touch controller. The module supports wake-up on touch from power-save sleep mode. Button features Capacitive buttons can be toggled even when placed under a layer of glass or paper. How it works There are four LEDs for four touch keys. If key A is pressed LED_A is ON, etc. In addition, there is UART communication between ATtiny817 and main MCU. Note The header onboard the TouchKey 2 click can be used for device programming. Current firmware sends data packets via UART on which the demo example in our library is based . SPI communication is possible with firmware modifications. Key features • ATtiny817 module o CPU o Running at up to 20MHz o 128B EEPROM o 256/512B SRAM o 32.768kHz external crystal oscillator • UART interface SPI optional • 3.3V power supply Product Type Capacitive A replacement for mechanical buttons On-board modules ATtiny817 from Microchip Key Features Four capacitive touch pads, 3.3V power supply, protective plastic overlay Key Benefits High moisture tolerance Interface UART SPI is optional Power Supply 3.3V Compatibility mikroBUS Click board size L x mm Pinout diagram This table shows how the pinout on TouchKey 2 click corresponds to the pinout on the mikroBUS socket the latter shown in the two middle columns . Notes Not connected PC5_TARGET_RES Reset SPI Chip Select PC3_SPI_SS SPI Clock PC0_SPI_SCK 4 SPI Master Input Slave Output PC1_SPI_MISO 5 SPI Master Output Slave Input PC2_SPI_MOSI Power supply +3.3V Ground mikroBUStm AN PWM 16 Notes Not connected RST INT 15

PDF Datasheet Preview

TouchKey 2 click

PID MIKROE-2474

TouchKey 2 click has four capacitive pads powered by ATtiny817 which has an integrated touch controller. The click is designed to run on a 3.3V power supply. The four LEDs onboard the click indicate when the Key Pad is pressed. TouchKey 2 click communicates with the target microcontroller over UART interface SPI interface is optional . High moisture tolerance You can use TouchKey 2 click in all kinds of conditions, without fearing something will happen to it due to moisture and water droplets falling on it. The plastic overlay on the TouchKey 2 click protects the board from moisture. Thanks to this feature the electronic components are safe. The ATtiny817 has a driven shield for improved moisture and noise handling performance. ATtiny817 features The ATtiny817 is a microcontroller that uses an 8-bit processor with hardware multiplier, running at up to 20MHz and with up to 8KB Flash, 512 bytes of SRAM and 128 bytes of EEPROM.

ATtiny817 uses the latest technologies from with a flexible and low power architecture including Event System and SleepWalking, accurate analog features and advanced peripherals.

Capacitive touch interfaces with proximity sensing and driven shield are supported with the integrated peripheral touch controller.

The module supports wake-up on touch from power-save sleep mode.

Button features

Capacitive buttons can be toggled even when placed under a layer of glass or paper. How it works

There are four LEDs for four touch keys. If key A is pressed LED_A is ON, etc. In addition, there is UART communication between ATtiny817 and main MCU.

Note The header onboard the TouchKey 2 click can be used for device programming. Current firmware sends data packets via UART on which the demo example in our library is based . SPI communication is possible with firmware modifications.

Key features
• ATtiny817 module o CPU o Running at up to 20MHz o 128B EEPROM o 256/512B SRAM o 32.768kHz external crystal oscillator
• UART interface SPI optional
• 3.3V power supply

Product Type Capacitive

A replacement for mechanical buttons

On-board modules ATtiny817 from Microchip

Key Features Four capacitive touch pads, 3.3V power supply, protective plastic overlay

Key Benefits High moisture tolerance

Interface

UART SPI is optional

Power Supply 3.3V

Compatibility mikroBUS

Click board size L x mm

Pinout diagram

This table shows how the pinout on TouchKey 2 click corresponds to the pinout on the mikroBUS socket the latter shown in the two middle columns .

Notes

Not connected

PC5_TARGET_RES

Reset

SPI Chip Select PC3_SPI_SS

SPI Clock PC0_SPI_SCK 4

SPI Master Input Slave Output PC1_SPI_MISO 5

SPI Master Output Slave Input

PC2_SPI_MOSI

Power supply
+3.3V

Ground
mikroBUStm AN PWM 16

Notes

Not connected

RST INT 15

More datasheets: PH-1400 | 51013 | A-160-HG | 51543 | 51542 | 35398 | 40309 | 35387 | 20260 | 3360-1-14-15-00-00-08-0

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived MIKROE-2474 Datasheet file may be downloaded here without warranties.

Datasheet ID: MIKROE-2474 649345