...the world's most energy friendly microcontrollers
EFM32LG230 DATASHEET
F256/F128/F64
ARM Cortex-M3 CPU platform Communication interfaces
High Performance 32-bit processor @ up to 48 MHz 3 Universal Synchronous/Asynchronous Receiv-
er/Transmitter
Memory Protection Unit
Flexible Energy Management System UART/SPI/SmartCard (ISO 7816)/IrDA/I2S
2 Low Energy UART
20 nA @ 3 V Shutoff Mode
Autonomous operation with DMA in Deep Sleep
0.4 A @ 3 V Shutoff Mode with RTC
Mode
0.65 A @ 3 V Stop Mode, including Power-on Reset, Brown-out
2
2 I C Interface with SMBus support
Detector, RAM and CPU retention
Address recognition in Stop Mode
0.95 A @ 3 V Deep Sleep Mode, including RTC with 32.768 kHz
oscillator, Power-on Reset, Brown-out Detector, RAM and CPU Ultra low power precision analog peripherals
retention
12-bit 1 Msamples/s Analog to Digital Converter
63 A/MHz @ 3 V Sleep Mode
8 single ended channels/4 differential channels
211 A/MHz @ 3 V Run Mode, with code executed from flash On-chip temperature sensor
256/128/64 KB Flash
12-bit 500 ksamples/s Digital to Analog Converter
32 KB RAM
2 Analog Comparator
56 General Purpose I/O pins
Capacitive sensing with up to 16 inputs
Configurable push-pull, open-drain, pull-up/down, input filter, drive
3 Operational Amplifier
strength
6.1 MHz GBW, Rail-to-rail, Programmable Gain
Configurable peripheral I/O locations
Supply Voltage Comparator
16 asynchronous external interrupts
Low Energy Sensor Interface (LESENSE)
Output state retention and wake-up from Shutoff Mode
Autonomous sensor monitoring in Deep Sleep Mode
12 Channel DMA Controller
Wide range of sensors supported, including LC sen-
12 Channel Peripheral Reflex System (PRS) for autonomous in-
sors and capacitive buttons
ter-peripheral signaling
Ultra efficient Power-on Reset and Brown-Out Detec-
Hardware AES with 128/256-bit keys in 54/75 cycles
tor
Timers/Counters
Debug Interface
4 16-bit Timer/Counter 2-pin Serial Wire Debug interface
43 Compare/Capture/PWM channels
1-pin Serial Wire Viewer
Dead-Time Insertion on TIMER0
Embedded Trace Module v3.5 (ETM)
16-bit Low Energy Timer
Pre-Programmed UART Bootloader
1 24-bit Real-Time Counter and 1 32-bit Real-Time Counter
Temperature range -40 to 85 C
3 16/8-bit Pulse Counter Single power supply 1.98 to 3.8 V
Watchdog Timer with dedicated RC oscillator @ 50 nA
QFN64 package
Backup Power Domain
RTC and retention registers in a separate power domain, avail-
able in all energy modes
Operation from backup battery when main power drains out
32-bit ARM Cortex-M0+, Cortex-M3 and Cortex-M4 microcontrollers for:
Energy, gas, water and smart metering Alarm and security systems
Health and fitness applications Industrial and home automation
Smart accessories
2014-06-13 - EFM32LG230FXX - d0105_Rev1.30 1 www.silabs.com...the world's most energy friendly microcontrollers
1 Ordering Information
Table 1.1 (p. 2) shows the available EFM32LG230 devices.
Table 1.1. Ordering Information
Ordering Code Flash (kB) RAM (kB) Max Supply Temperature Package
Speed Voltage (C)
(MHz) (V)
EFM32LG230F64G-E-QFN64 64 32 48 1.98 - 3.8 -40 - 85 QFN64
EFM32LG230F128G-E-QFN64 128 32 48 1.98 - 3.8 -40 - 85 QFN64
EFM32LG230F256G-E-QFN64 256 32 48 1.98 - 3.8 -40 - 85 QFN64
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2014-06-13 - EFM32LG230FXX - d0105_Rev1.30 2 www.silabs.com