1pcs CJMCU-Virtual Keyboard Badusb USB TF Memory ATMEGA32U4 for arduino | Электронные компоненты и принадлежности

1pcs CJMCU-Virtual Keyboard Badusb USB TF Memory ATMEGA32U4 for arduino | Электронные компоненты и принадлежности

1pcs CJMCU-Virtual Keyboard Badusb USB TF Memory Keyboard ATMEGA32U4 for arduino Description:   High Performance, Low Power AVR® 8-Bit Microcontroller Advanced RISC Architecture    - 135 Powerful Instructions - Most Single Clock Cycle Execution   - 32 x 8 General Purpose Working Registers   -Fully Static Operation - Up to 16 MIPS Throughput at 16MHz   - On-Chip 2-cycle Multiplier   Non-volatile Program and Data Memories   - 16/32KB of In-System Self-Programmable Flash   - 1.25/2.5KB Internal SRAM - 512Bytes/1KB Internal EEPROM   - Write/Erase Cycles: 10,000 Flash/100,000 EEPROM   - Data retention: 20 years at 85C/ 100 years at 25C(1)    - Optional Boot Code Section with Independent Lock Bits In-System Programming by On-chip Boot Program True Read-While-Write Operation Parts using external XTAL clock are pre-programed with a default USB bootloader   - Programming Lock for Software Security JTAG (IEEE® std. 1149.1 compliant) Interface    - Boundary-scan Capabilities According to the JTAG Standard - Extensive On-chip Debug Support   - Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG Interface USB 2.0 Full-speed/Low Speed Device Module with Interrupt on Transfer Completion - Complies fully with Universal Serial Bus Specification Rev 2.0 - Supports data transfer rates up to 12Mbit/s and 1.5Mbit/s - Endpoint 0 for Control Transfers: up to 64-bytes - Six Programmable Endpoints with IN or Out Directions and with Bulk, Interrupt or Isochronous Transfers - Configurable Endpoints size up to 256 bytes in double bank mode - Fully independent 832 bytes USB DPRAM for endpoint memory allocation - Suspend/Resume Interrupts - CPU Reset possible on USB Bus Reset detection - 48MHz from PLL for Full-speed Bus Operation - USB Bus Connection/Disconnection on Microcontroller Request - Crystal-less operation for Low Speed mode Peripheral Features - On-chip PLL for USB and High Speed Timer: 32 up to 96MHz operation - One 8-bit Timer/Counter with Separate Prescaler and Compare Mode ATmega16U4/ATmega32U4 8-bit Microcontroller with 16/32K bytes of ISP Flash and USB Controller DATASHEET ATmega16U4/32U4 [DATASHEET] Atmel-7766J-USB-ATmega16U4/32U4-Datasheet_04/2016 2 - Two 16-bit Timer/Counter with Separate Prescaler, Compare- and Capture Mode - One 10-bit High-Speed Timer/Counter with PLL (64MHz) and Compare Mode - Four 8-bit PWM Channels - Four PWM Channels with Programmable Resolution from 2 to 16 Bits - Six PWM Channels for High Speed Operation, with Programmable Resolution from 2 to 11 Bits - Output Compare Modulator - 12-channels, 10-bit ADC (features Differential Channels with Programmable Gain) - Programmable Serial USART with Hardware Flow Control - Master/Slave SPI Serial Interface - Byte Oriented 2-wire Serial Interface - Programmable Watchdog Timer with Separate On-chip Oscillator - On-chip Analog Comparator - Interrupt and Wake-up on Pin Change - On-chip Temperature Sensor Special Microcontroller Features - Power-on Reset and Programmable Brown-out Detection - Internal 8MHz Calibrated Oscillator - Internal clock prescaler and On-the-fly Clock Switching (Int RC / Ext Osc) - External and Internal Interrupt Sources - Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby I/O and Packages - All I/O combine CMOS outputs and LVTTL inputs - 26 Programmable I/O Lines - 44-lead TQFP Package, 10x10mm - 44-lead QFN Package, 7x7mm Operating Voltages - 2.7 - 5.5V Operating temperature - Industrial (-40°C to +85°C) Maximum Frequency - 8MHz at 2.7V - Industrial range - 16MHz at 4.5V - Industrial range Note:  1. See Data Retention on page 8 for details.   size:21mm*30mm