EFM8UB20F32G-B-QFN32R

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The EFM8UB20F32G-B-QFN32R is a 32-pin, low-power, 8-bit microcontroller (MCU) integrated into a Quad Flat No-Lead package, providing a complete system on a chip solution for highly integrated embedded control applications. It features multiple peripherals, including up to 64kbytes of in-system Flash program memory, a Burst Mode FLASH Controller, 16ch banks of user Flash memory, five serial communication modules, eleven CPU timers, five Timer/Counters, four 16-bit capture registers, and a 16-channel 12-bit ADC.

This device provides flexibility and performance for multi-processor and cost sensitive applications. It is ideal for a wide range of applications including avionics, medical electronics, power conversion and management, industrial control, HVAC, automotive, and consumer electronics.

The EFM8UB20F32G-B-QFN32R is a full-featured 8-bit microcontroller that is suitable for simple to complex applications, providing advantages such as low power consumption, a low cost system solution, and a variety of serial interfaces. It uses a pipelined architecture to maximize instruction throughput and performance.

The clock options available with the device are a 16 MHz internal oscillator, an 8 MHz to 16 MHz external oscillator, or a 4 MHz to 16 MHz external crystal oscillator. The device supports two low-power sleep modes, Tiny Sleep and Split Sleep, and two low power 180 kHz oscillators, a tuned Digital Frequency Lock Loop (DFLG), and a variable-capacitance Crystal Oscillator (XO) to control power consumption.

The EFM8UB20F32G-B-QFN32R features an 8051-compatible ArchCoreTM with a powerful yet intuitive instruction set that includes features such as bit manipulation and relative jumps. Its integrated architecture provides ample and efficient use of on-chip resources including Flash program memory, and RAM.

It provides up to 512 bytes of user RAM with 28 bytes shared RAM, 32 bytes Special Function Registers (SFR), 624 bytes of General-Purpose Register (GPR) stack, up to 48 kbytes of Flash program memory, up to 64 bytes of Flash-Data memory per module, two 32MHz and two 16 MHz clock regimes, a Hardware SPI, and a Hardware UART.

The EFM8UB20F32G-B-QFN32R also contains a total of eleven CPU timers capable of running at a maximum frequency of 16 MHz, including four 16-bit capture/compare/PWM timers, two 8-bit timer/counters and five 16-bit timer/counters per frequency regime. The on-chip Burst Mode Flash Controller provides a fast, efficient, and low-cost interface between the EFM8UB20F32G-B-QFN32R and the external flash memory.

The EFM8UB20F32G-B-QFN32R also features an on-chip 12-bit analog-to-digital converter (ADC) with 16 channels, allowing up to 16 analog signals to be monitored simultaneously. The device also includes up to 32 I/O ports and three pulse-width modulated (PWM) outputs.

The EFM8UB20F32G-B-QFN32R is designed to operate within a wide range of operating environments and can operate over a temperature range of –40 to +105 degrees Celsius. It is designed to meet and exceed the most stringent environmental standards, such as UL, CSA, and IEC.

In summary, the EFM8UB20F32G-B-QFN32R is a low-power, feature-rich 8-bit microcontroller integrated into a Quad Flat No-Lead package. It offers a variety of custom clock options, two low-power sleep modes, and up to 512 bytes of user RAM. It contains eleven CPU timers, four 16-bit capture/compare/PWM timers, two 8-bit timer/counters, and five 16-bit timer/counters per frequency regime. It also features an integrated 12-bit ADC with 16 channels, up to 32 I/O ports, and three pulse-width modulated (PWM) outputs.

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