Download EFM8 selector guide (PDF)

EFM8™
8-bit microcontrollers without compromise
PRODUCT SELECTOR GUIDE
8
www.silabs.com/efm8 | Smart. Connected. Energy-Friendly.
EFM8 MCUs
Fast, low-power 8-bit solutions
featuring fully-integrated analog
functionality and peripherals.
EFM8 Applications
Industrial
POS equipment
Smart meters
Power converters
Control & automation
Optical modules
Consumer
Data cables
Gaming
LED wristbands
Home and Building
Fire and safety
Sensors
Automation
Health and Fitness
Medical
Wearables
Precision instrumentation
Motor Control
Model vehicles
Small motors
Electric tools
Appliances
EFM8 microcontrollers are based on the popular
8051 core. The 8051 architecture ecosystem
represents nearly 25% of the existing MCU market.
Select a secure architecture
Select a simple solution
The EFM8 is based on a Harvard
architecture, allowing it to only execute code
fetched from program memory and allows
locking of program memory to prevent
unauthorized examination. These are two
advantages in the EFM8 hardware that
protect a product from security attacks.
The EFM8 microcontroller is ideal for
processing 8-bit data that comes from
port I/O or sensor inputs. A great many
applications don’t require complex
mathematics processing and benefit
significantly from the code density
advantages of an 8-bit processor when
not tasked with 16-bit or 32-bit
mathematics. Human interface functions,
sensor interfaces, and distributed
processing functions are examples that
easily benefit from the simplicity of the EFM8
solutions.
Select a low latency system
Variations in interrupt response time can
cause adverse effects in some applications,
causing, for example, audio distortion or
motor noise and vibration. With the EFM8
it’s easy to work “close to the metal” and
have full control over the entire system.
“Sub-$0.50 MCU prices, tiny
footprints, ultra-low power, low
software overhead and design
simplicity, all prerequisites
for IoT devices. Silicon Labs
designed the new EFM8 family
to deliver best-in-class features
and functionality in each of
these application-critical areas.”
- IHS, 2015
8 factors that make
EFM8 the world’s only
no-compromise
8-bit microcontroller.
ADC
PGA
Temp
Sense
EFM8
CAP
Sense
Fast Processor Core
Efficient Digital Peripherals
With up to 72 MHz operation and with 70% of the
instructions executing in less than 1 or 2 clock
cycles, the EFM8 MCUs offer an economical solution
that satisfy the performance needs of embedded
applications. Also, the efficient architecture reduces
memory requirements of the application.
Autonomous digital peripherals reduce the processor
overhead and the configurable logic reduces
surrounding chip logic. The EFM8 MCUs include
high-performance timers, higher resolution PWMs
and fast serial communication peripherals including
12 Mbps SPI, 3 Mbps UART and 3.4 Mbps I2C.
High Performance Analog
DAC
VREF
Highly Integrated
The EFM8 family of MCUs offer high-performance
analog peripherals such as 14 bit ADCs at 900
Ksps, 12 bit ADCs at 1 Msps, and 10 bit ADCs at
1.125 Msps, high noise immune capacitive sensing
peripherals and temp sensors that reduce the
system cost and simplify designs.
EFM8
Digital Crossbar and
Analog Multiplexer
Silicon Labs’ patented crossbar technology
enables maximum flexibility and unparalleled ease
of development, allowing designers to select any
peripherals with no conflicts in pin-out or PCB layout.
Ultra Low Power
2µs
No Performance Compromise
The EFM8 MCUs provide no-compromise peripherals
that are fully characterized with guaranteed
performance over temperature and voltage.
The EFM8 family features high-precision oscillators,
integrated on-board voltage regulator, USB charger
detect circuitry and high performance peripherals in
packages as small as 1.65x1.78 mm to reduce the PCB
area and BOM cost.
150uA/
MHz
50nA
Time
EFM8 extends battery life with ultra-low sleep currents
down to 50 nA with brown out detection, fast wake
up times with less than 2 µs, active currents as low as
150 µA/MHz and Low energy USB module for power
consumption reduction of up to 90%.
Simplicity Studio™ Software
Free Simplicity Studio with integrated IDE, free unlimited
code size Keil Compiler, demos, libraries and example
codes, energy and Capsense Profiler tools, configurators,
easily updated support packages, software and
documentation, all at your fingertips.
PART NUMBER
FLASH
(KB)
RAM
(B)
MHZ
GPIO
SPI UART I2C EMIF
ADC 1
COMPARATOR INTERNAL
OSC TIMERS
DAC
CLU
PCA/PWM
CHANNELS
RTC
CAPACITIVE
SENSE
LFO
OPERATING
VOLTAGE (V)
PACKAGE
LASER BEE - PRECISION ANALOG
EFM8LB10F16E
16
1280
72
20, 29
1
2
1
-
14-bit, 12/20-ch.
2
2%
6
-
4
6
-
-
√
2.2 to 3.6
QFN24, QFN32
EFM8LB10F16E
16
1280
72
28, 21
1
2
1
-
14-bit, 20/13-ch.
2
2%
6
-
4
6
-
-
√
2.2 to 3.6
QFP32, QSOP24
EFM8LB11F16E
16
2304
72
20, 20
1
2
1
-
14-bit, 12/20-ch.
2
2%
6
2
4
6
-
-
√
2.2 to 3.6
QFN24, QFN32
EFM8LB11F16E
16
2304
72
28, 21
1
2
1
-
14-bit, 20/13-ch.
2
2%
6
2
4
6
-
-
√
2.2 to 3.6
QFP32, QSOP24
EFM8LB11F32E
32
2304
72
20, 29
1
2
1
-
14-bit, 12/20-ch.
2
2%
6
2
4
6
-
-
√
2.2 to 3.6
QFN24, QFN32
EFM8LB11F32E
32
2304
72
28, 21
1
2
1
-
14-bit, 20/13-ch.
2
2%
6
2
4
6
-
-
√
2.2 to 3.6
QFP32, QSOP24
EFM8LB12F32E
32
4352
72
20, 29
1
2
1
-
14-bit, 12/20-ch.
2
2%
6
4
4
6
-
-
√
2.2 to 3.6
QFN24, QFN32
EFM8LB12F32E
32
4352
72
28, 21
1
2
1
-
14-bit, 20/13-ch.
2
2%
6
4
4
6
-
-
√
2.2 to 3.6
QFP32, QSOP24
EFM8LB12F64E
64
4352
72
20, 29
1
2
1
-
14-bit, 12/20-ch.
2
2%
6
4
4
6
-
-
√
2.2 to 3.6
QFN24, QFN32
EFM8LB12F64E
64
4352
72
28, 21
1
2
1
-
14-bit, 20/13-ch.
2
2%
6
4
4
6
-
-
√
2.2 to 3.6
QFP32, QSOP24
UNIVERSAL BEE - USB
EFM8UB10F8G
8
2304
48
13
1
2
2
-
12-bit,11-ch.
2
1.5%
5
-
-
3
-
-
√
2.2 to 5.25
QFN20
EFM8UB10F16G
16
2304
48
13, 22
1
2
2
-
12-bit,11/20-ch.
2
1.5%
5
-
-
3
-
-
√
2.2 to 5.25
QFN20, QFN28
EFM8UB11F16G
16
2304
48
17
1
2
2
-
12-bit,15-ch.
2
1.5%
5
-
-
3
-
-
√
2.2 to 5.25
QSOP24
EFM8UB20F32G
32
2304
48
25, 40
1
2
2
√
10-bit, 20/32-ch.
2
1.5%
6
-
-
5
-
-
√
2.7 – 5.25
QFN32, QFP32, QFP48
EFM8UB20F64G
64
4352
48
25, 40
1
2
2
√
10-bit, 20/32-ch.
2
1.5%
6
-
-
5
-
-
√
2.7 – 5.25
QFN32, QFP32, QFP48
SLEEPY BEE - LOW POWER
EFM8SB10F2G
2
256
25
16
1
1
1
-
12-bit, 9-ch.
1
2%
4
-
-
3
√
13
-
1.8 to 3.6
QFN20
EFM8SB10F4G
4
512
25
16
1
1
1
-
12-bit, 9-ch.
1
2%
4
-
-
3
√
13
-
1.8 to 3.6
QFN20
EFM8SB10F8G
8
512
25
16, 17
1
1
1
-
12-bit, 9/10-ch.
1
2%
4
-
-
3
√
13, 14
-
1.8 to 3.6
QFN20, QFN24, QSOP24
EFM8SB10F8G
8
512
25
13
1
1
1
-
12-bit, 9-ch.
1
2%
4
-
-
3
√
12
-
1.8 to 3.6
16
EFM8SB20F16G
16
4352
25
16
2
1
1
-
10-bit, 15-ch.
2
2%
4
-
-
6
√
-
-
1.8 to 3.6
QFN24
EFM8SB20F32G
32
4352
25
16, 24
2
1
1
-
10-bit, 15/23-ch.
2
2%
4
-
-
6
√
-
-
1.8 to 3.6
QFN24, QFN32, QFP32
EFM8SB20F64G
64
4352
25
16, 24
2
1
1
-
10-bit, 15/23-ch.
2
2%
4
-
-
6
√
-
-
1.8 to 3.6
QFN24, QFN32, QFP32
BUSY BEE - GENERAL PURPOSE
EFM8BB10F2G
2
256
25
16
1
1
1
-
12-bit, 15-ch.
2
2%
4
-
-
3
-
-
√
2.2 to 3.6
QFN20
EFM8BB10F4G
4
512
25
16
1
1
1
-
12-bit, 15-ch.
2
2%
4
-
-
3
-
-
√
2.2 to 3.6
QFN20
EFM8BB10F8G
8
512
25
1
1
-
12-bit, 12/15/16-ch
2
2%
4
-
-
3
-
-
√
2.2 to 3.6
SOIC16, QFN20, QSOP24
EFM8BB21F16G
16
2304
50
16, 21
1
2
2
-
12-bit, 15/20-ch.
2
1.5%
5
-
-
3
-
-
√
2.2 to 3.6
QFN20, QSOP24
EFM8BB22F16G
16
2304
50
22
1
2
2
-
12-bit, 20-ch.
2
1.5%
5
-
-
3
-
-
√
2.2 to 5.25
QFN28
EFM8BB31F16G
16
2304
50
20, 29
1
2
1
-
12-bit, 12/20-ch.
2
2%
6
2
4
6
-
-
√
2.2 to 3.6
QFN20, QFN32
QFP32, QSOP24
13, 16, 18 1
EFM8BB31F16G
16
2304
50
28, 21
1
2
1
-
12-bit, 20/13-ch.
2
2%
6
2
4
6
-
-
√
2.2 to 3.6
EFM8BB31F32G
32
2304
50
20, 29
1
2
1
-
12-bit, 12/20-ch.
2
2%
6
2
4
6
-
-
√
2.2 to 3.6
QFN24, QFN32
EFM8BB31F32G
32
2304
50
28, 21
1
2
1
-
12-bit, 20/13-ch.
2
2%
6
2
4
6
-
-
√
2.2 to 3.6
QFP32, QSOP24
EFM8BB31F64G
64
4352
50
20, 29
1
2
1
-
12-bit, 12/20-ch.
2
2%
6
4
4
6
-
-
√
2.2 to 3.6
QFN24, QFN32
EFM8BB31F64G
64
4352
50
28, 21
1
2
1
-
12-bit, 20/13-ch.
2
2%
6
4
4
6
-
-
√
2.2 to 3.6
QFP32, QSOP24
LASER BEE
UNIVERSAL BEE
SLEEPY BEE
BUSY BEE
Precision analog up to 72 MHz
USB up to 48 MHz
Low power up to 25 MHz
General purpose up to 50 MHz
Flash 16 - 64 KB
RAM 1 - 4 KB
Flash 8 - 64 KB
RAM 2 - 4 KB
Flash 2 - 64 KB
RAM 0.5 - 4 KB
Flash 2 - 64 KB
RAM 0.5 - 4 KB
HIGHLIGHTS
HIGHLIGHTS
HIGHLIGHTS
HIGHLIGHTS
72 MHz MCU in 3x3 mm2 package – high integration
No external crystal or regulator needed for USB
Energy friendly – 50 nA sleep mode with BOD
SAR ADC - 12-bit at 350 ksps; 10-bit at 1.125 Msps
ADC/4xDAC/2x comparator – state-of-the-art analog
Low energy USB - up to 90% power reduction
Active mode - 150 µA/MHz
2x low-current comparators with built-in DAC
±3 ºC temperature sensor – eliminate calibration
USB charger detect circuit (USB-BCS 1.2)
Fast wake up - < 2 µs
2x UART (3 Mbps), 1x SPI (12 Mbps), 2x I2C (3.4 Mbps)
Configurable Logic – eliminate external glue logic
2x UART (3 Mbps), 1x SPI (12 Mbps), 2x I2C (3.4 Mbps)
Capacitive sense - < 1 µA wake on touch average
“Priority crossbar” – simplifies PCB design
UART or SMBus bootloader
USB bootloader
UART bootloader
UART bootloader
Package Options
Get started with EFM8 today
Expansion Header
Display
Debugger
Integrated debugger
provides everything you
need for downloading and
debugging your code. It can
be used as a standalone
debugger for other
external boards.
A 1.28 inch 128x128
pixel Memory LCD enables
interactive applications.
20-pin expansion
header for connection
to plug in boards and for
future expansion to
your design.
Humidity and
Temperature sensor
An integrated Si7021
humidity and temperature
sensor to enable data
logging applications.
Capsense Pads
Easy pin access
Energy Profile
Visualize the energy
consumption of your
application using the
Simplicity Energy
Profiler tool.
Breakout pads at the
top and bottom edges
of the kit can be soldered
to provide easy access
to the MCU pins.
Capsense pads
enable button and
slider applications
using Capsense
Profiler tool.
Joystick
Analog joystick with
eight measurable
positions for better
demo experience.
EFM8 Starter Kits
Silicon Labs offers 8 different starter kits to get started with the EFM8 family of MCUs. All the kits are priced at $29.99.
PART NUMBER
DESCRIPTION
DEMO HIGHLIGHTS
TOOLS
SLSTK2030A
EFM8LB1 Family Starter Kit
ADC, DAC, Temperature sensor, Configurable logic units
Energy Profiler, Configurator
SLSTK2000A
EFM8UB1 Family Starter Kit
Low energy USB, Charger Detect
Energy Profiler, Configurator
SLSTK2001A
EFM8UB2 Family Starter Kit
USB HID, USB-UART bridge
Energy Profiler, Configurator
SLSTK2010A
EFM8SB1 Family Starter Kit
Capsense, Low energy modes
Capsense Profiler, Energy Profiler, Configurator
SLSTK2011A
EFM8SB2 Family Starter Kit
Low energy modes, Temperature sensor
Energy Profiler, Configurator
SLSTK2020A
EFM8BB1 Family Starter Kit
ADC, Temperature sensor, Fast core
Energy Profiler, Configurator
SLSTK2021A
EFM8BB2 Family Starter Kit
ADC, Temperature sensor, Fast core
Energy Profiler, Configurator
SLSTK2022A
EFM8BB3 Family Starter Kit
ADC, DAC, Configurable logic
Energy Profiler, Configurator
Silicon Labs
Simplicity
Studio tools
make EFM8
development
fast and simple.
Simplicity Studio
Easy access to the Simplicity IDE,
configuration tools, demos, examples,
datasheets, application notes,
community forum and Silicon Labs
support, plus an unlimited code size
Keil compiler, all free of charge.
www.silabs.com/simplicity
DEVELOMENT TOOLS
s
licon Lab
Si
C
O
MM
T
LONGEVITY
IT M E
N
EFM8 Starter Kits
Capacitive Sense Profiler
Configurator
Longevity Commitment
This $29.99 kit is an excellent
starting point to get familiar
with EFM8 microcontrollers.
This tool simplifies the fine
tuning of buttons, sliders,
wheels, touch pads and
proximity sensors.
This tool greatly simplifies
EFM8 peripheral initialization
by presenting peripherals
and peripheral properties in a
graphical user interface.
Silicon labs is committed to a
minimum 10-year life cycle.
www.silabs.com/efm8-kits
Find your nearest distributor, or buy or sample online.
See details at www.silabs.com/efm8
©2016, SILICON LABORATORIES INC. SIMPLICITY STUDIO, SILICON LABS AND THE SILICON LABS LOGO ARE TRADEMARKS OR REGISTERED TRADEMARKS OF SILICON LABORATORIES INC. ALL OTHER PRODUCT OR
SERVICE NAMES ARE THE PROPERTY OF THEIR RESPECTIVE OWNERS. FOR THE MOST UP TO DATE INFORMATION PLEASE SEE YOUR SALES REPRESENTATIVE OR VISIT OUR WEBSITE AT WWW.SILABS.COM. PRINT, CSI,
2000. FEBRUARY 2016, REV B SEL-EFM8
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