EFM8BB21F16G-C-QFN20R
Microcontrollers
Technical Specifications
| Type | Description |
|---|---|
| Core Processor | 51 Series |
| Core Bits | 8 |
| Maximum Clock Speed | 50 MHz |
| Flash Memory | 16 KB |
| Number of I/O | 16 |
| Flash Type | FLASH |
| Type | Description |
|---|---|
| Adc Bits | 12.0 |
| Oscillator Type | Built-in |
| Eeprom Bytes | - |
| Operating Temp | -40°C ~ +85°C |
| Working Voltage V | 2.9 V |
| Package / Case | QFN-20-EP |
Product Introduction
The EFM8BB2, part of the Busy Bee family of MCUs, is a multipurpose line of 8-bit microcontrollers with a comprehensive feature set in small packages.
These devices offer high-value by integrating advanced analog and enhanced highspeed communication peripherals into small packages, making them ideal for space-constrained applications. With an efficient 8051 core, enhanced pulse-width modulation, and precision analog, the EFM8BB2 family is also optimal for embedded applications.
Features
- Pipelined 8-bit C8051 core with 50 MHz maximum operating frequency
- Up to 22 multifunction, 5 V tolerant I/O pins
- One 12-bit Analog to Digital converter (ADC)
- Two Low-current analog comparators with build-in DAC as reference input
- Integrated temperature sensor
- 3-channel PWM / PCA with special hardware kill/safe state capability
- Five 16-bit timers
- Two UARTs, SPI, SMBus/I2C master/slave and I2C slave
- Priority crossbar for flexible pin mapping
- Pipelined CIP-51 Core
- Fully compatible with standard 8051 instruction set
- 70% of instructions execute in 1-2 clock cycles
- 50 MHz maximum operating frequency
- Up to 16 KB flash memory, in-system re-programmable from firmware, including 1 KB of 64-byte sectors and 15 KB of 512-byte sectors
- Up to 2304 bytes RAM (including 256 bytes standard 8051 RAM and 2048 bytes on-chip XRAM)
- 5 V-input LDO regulator
- Internal LDO regulator for CPU core voltage
- Power-on reset circuit and brownout detectors
- All pins 5 V tolerant under bias
- Flexible peripheral crossbar for peripheral routing
- 5 mA source, 12.5 mA sink allows direct drive of LEDs
- Internal 49 MHz oscillator with accuracy of ±1.5%
- Internal 24.5 MHz oscillator with ±2% accuracy
- Internal 80 kHz low-frequency oscillator
- External CMOS clock option
- 3-channel Programmable Counter Array (PCA) supporting PWM, capture/compare, and frequency output modes
- 5×16-bit general-purpose timers
- Independent watchdog timer, clocked from the low frequency oscillator
- 2× UART, up to 3 Mbaud
- SPI Master / Slave, up to 12 Mbps
- SMBus/I2C Master / Slave, up to 400 kbps
- I2C High-Speed Slave, up to 3.4 Mbps
- 16-bit CRC unit, supporting automatic CRC of flash at 256-byte boundaries
- 12-Bit Analog-to-Digital Converter (ADC)
- 2× Low-current analog comparators with adjustable reference
- On-Chip, Non-Intrusive Debugging
- Full memory and register inspection
- Four hardware breakpoints, single-stepping
- Pre-loaded UART bootloader
- Temperature range -40 to 85 °C or -40 to 125 °C
- Single power supply of 2.2 to 3.6 V or 3.0 to 5.25 V
- QFN28, QSOP24, and QFN20 packages
Applications
- - Motor control - Consumer electronics - Sensor controllers - Medical equipment - Lighting systems - High-speed communication hub
Datasheet
Alternative Parts
Common EFM8BB21F16G-C-QFN20R alternatives overseas buyers search for:
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | 3A991A2 |
| Type | Details |
|---|---|
| CNHTS | 8542319090 |
Sourcing Information
Sourcing EFM8BB21F16G-C-QFN20R from China? SZ Procure helps international buyers navigate the Shenzhen electronics market and locate suitable supplier options for specific component requirements.
Our Shenzhen sourcing team can help with supplier sourcing, availability checks and quotation comparison for EFM8BB21F16G-C-QFN20R, then coordinate procurement, supplier screening, inspection and international shipping based on what you need.
Ready to source EFM8BB21F16G-C-QFN20R? Send your requirement through Request a Quote and we'll help check sourcing options and procurement costs.