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Número de pieza | EFM32WG332F64-QFP64 | |
Descripción | microcontrollers | |
Fabricantes | Silicon Laboratories | |
Logotipo | ||
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EFM32WG332 DATASHEET
F256/F128/F64
• ARM Cortex-M4 CPU platform
• High Performance 32-bit processor @ up to 48 MHz
• DSP instruction support and floating-point unit
• Memory Protection Unit
• Flexible Energy Management System
• 20 nA @ 3 V Shutoff Mode
• 0.4 µA @ 3 V Shutoff Mode with RTC
• 0.65 µA @ 3 V Stop Mode, including Power-on Reset, Brown-out
Detector, RAM and CPU retention
• 0.95 µA @ 3 V Deep Sleep Mode, including RTC with 32.768 kHz
oscillator, Power-on Reset, Brown-out Detector, RAM and CPU
retention
• 63 µA/MHz @ 3 V Sleep Mode
• 225 µA/MHz @ 3 V Run Mode, with code executed from flash
• 256/128/64 KB Flash
• 32 KB RAM
• 50 General Purpose I/O pins
• Configurable push-pull, open-drain, pull-up/down, input filter, drive
strength
• Configurable peripheral I/O locations
• 16 asynchronous external interrupts
• Output state retention and wake-up from Shutoff Mode
• 12 Channel DMA Controller
• 12 Channel Peripheral Reflex System (PRS) for autonomous in-
ter-peripheral signaling
• Hardware AES with 128/256-bit keys in 54/75 cycles
• Timers/Counters
• 4× 16-bit Timer/Counter
• 4×3 Compare/Capture/PWM channels
• Dead-Time Insertion on TIMER0
• 16-bit Low Energy Timer
• 1× 24-bit Real-Time Counter and 1× 32-bit Real-Time Counter
• 3× 16/8-bit Pulse Counter
• Watchdog Timer with dedicated RC oscillator @ 50 nA
• 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
• Communication interfaces
• 3× Universal Synchronous/Asynchronous Receiv-
er/Transmitter
• UART/SPI/SmartCard (ISO 7816)/IrDA/I2S
• 2× Low Energy UART
• Autonomous operation with DMA in Deep Sleep
Mode
• 2× I2C Interface with SMBus support
• Address recognition in Stop Mode
• Universal Serial Bus (USB) with Host & OTG support
• Fully USB 2.0 compliant
• On-chip PHY and embedded 5V to 3.3V regulator
• Ultra low power precision analog peripherals
• 12-bit 1 Msamples/s Analog to Digital Converter
• 8 single ended channels/4 differential channels
• On-chip temperature sensor
• 12-bit 500 ksamples/s Digital to Analog Converter
• 2× Analog Comparator
• Capacitive sensing with up to 4 inputs
• 3× Operational Amplifier
• 6.1 MHz GBW, Rail-to-rail, Programmable Gain
• Supply Voltage Comparator
• Low Energy Sensor Interface (LESENSE)
• Autonomous sensor monitoring in Deep Sleep Mode
• Wide range of sensors supported, including LC sen-
sors and capacitive buttons
• Ultra efficient Power-on Reset and Brown-Out Detec-
tor
• Debug Interface
• 2-pin Serial Wire Debug interface
• 1-pin Serial Wire Viewer
• Embedded Trace Module v3.5 (ETM)
• Pre-Programmed USB/UART Bootloader
• Temperature range -40 to 85 ºC
• Single power supply 1.98 to 3.8 V
• TQFP64 package
32-bit ARM Cortex-M0+, Cortex-M3 and Cortex-M4 microcontrollers for:
• Energy, gas, water and smart metering
• Health and fitness applications
• Smart accessories
• Alarm and security systems
• Industrial and home automation
1 page ...the world's most energy friendly microcontrollers
Descriptor-Based Scatter/Garther DMA and supports up to 6 OUT endpoints and 6 IN endpoints, in
addition to endpoint 0. The on-chip PHY includes all OTG features, except for the voltage booster for
supplying 5V to VBUS when operating as host.
2.1.11 Inter-Integrated Circuit Interface (I2C)
The I2C module provides an interface between the MCU and a serial I2C-bus. It is capable of acting as
both a master and a slave, and supports multi-master buses. Both standard-mode, fast-mode and fast-
mode plus speeds are supported, allowing transmission rates all the way from 10 kbit/s up to 1 Mbit/s.
Slave arbitration and timeouts are also provided to allow implementation of an SMBus compliant system.
The interface provided to software by the I2C module, allows both fine-grained control of the transmission
process and close to automatic transfers. Automatic recognition of slave addresses is provided in all
energy modes.
2.1.12 Universal Synchronous/Asynchronous Receiver/Transmitter (US-
ART)
The Universal Synchronous Asynchronous serial Receiver and Transmitter (USART) is a very flexible
serial I/O module. It supports full duplex asynchronous UART communication as well as RS-485, SPI,
MicroWire and 3-wire. It can also interface with ISO7816 SmartCards, IrDA and I2S devices.
2.1.13 Pre-Programmed USB/UART Bootloader
The bootloader presented in application note AN0042 is pre-programmed in the device at factory. The
bootloader enables users to program the EFM32 through a UART or a USB CDC class virtual UART
without the need for a debugger. The autobaud feature, interface and commands are described further
in the application note.
2.1.14 Low Energy Universal Asynchronous Receiver/Transmitter
(LEUART)
The unique LEUARTTM, the Low Energy UART, is a UART that allows two-way UART communication on
a strict power budget. Only a 32.768 kHz clock is needed to allow UART communication up to 9600 baud/
s. The LEUART includes all necessary hardware support to make asynchronous serial communication
possible with minimum of software intervention and energy consumption.
2.1.15 Timer/Counter (TIMER)
The 16-bit general purpose Timer has 3 compare/capture channels for input capture and compare/Pulse-
Width Modulation (PWM) output. TIMER0 also includes a Dead-Time Insertion module suitable for motor
control applications.
2.1.16 Real Time Counter (RTC)
The Real Time Counter (RTC) contains a 24-bit counter and is clocked either by a 32.768 kHz crystal
oscillator, or a 32.768 kHz RC oscillator. In addition to energy modes EM0 and EM1, the RTC is also
available in EM2. This makes it ideal for keeping track of time since the RTC is enabled in EM2 where
most of the device is powered down.
2.1.17 Backup Real Time Counter (BURTC)
The Backup Real Time Counter (BURTC) contains a 32-bit counter and is clocked either by a 32.768 kHz
crystal oscillator, a 32.768 kHz RC oscillator or a 1 kHz ULFRCO. The BURTC is available in all Energy
Modes and it can also run in backup mode, making it operational even if the main power should drain out.
2014-06-13 - EFM32WG332FXX - d0191_Rev1.40
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5 Page 3.3.2 Environmental
...the world's most energy friendly microcontrollers
Table 3.3. Environmental
Symbol
VESDHBM
VESDCDM
Parameter
Condition
ESD (Human Body TAMB=25°C
Model HBM)
ESD (Charged De- TAMB=25°C
vice Model, CDM)
Min Typ
Max Unit
2000 V
750 V
Latch-up sensitivity passed: ±100 mA/1.5 × VSUPPLY(max) according to JEDEC JESD 78 method Class
II, 85°C.
3.4 Current Consumption
Table 3.4. Current Consumption
Symbol
IEM0
Parameter
Condition
Min
48 MHz HFXO, all peripheral
clocks disabled, VDD= 3.0 V,
TAMB=25°C
48 MHz HFXO, all peripheral
clocks disabled, VDD= 3.0 V,
TAMB=85°C
28 MHz HFRCO, all peripher-
al clocks disabled, VDD= 3.0 V,
TAMB=25°C
28 MHz HFRCO, all peripher-
al clocks disabled, VDD= 3.0 V,
TAMB=85°C
21 MHz HFRCO, all peripher-
al clocks disabled, VDD= 3.0 V,
TAMB=25°C
EM0 current. No
prescaling. Running
prime number cal-
culation code from
Flash. (Production
test condition = 14
MHz)
21 MHz HFRCO, all peripher-
al clocks disabled, VDD= 3.0 V,
TAMB=85°C
14 MHz HFRCO, all peripher-
al clocks disabled, VDD= 3.0 V,
TAMB=25°C
14 MHz HFRCO, all peripher-
al clocks disabled, VDD= 3.0 V,
TAMB=85°C
11 MHz HFRCO, all peripher-
al clocks disabled, VDD= 3.0 V,
TAMB=25°C
11 MHz HFRCO, all peripher-
al clocks disabled, VDD= 3.0 V,
TAMB=85°C
6.6 MHz HFRCO, all peripher-
al clocks disabled, VDD= 3.0 V,
TAMB=25°C
6.6 MHz HFRCO, all peripher-
al clocks disabled, VDD= 3.0 V,
TAMB=85°C
Typ Max Unit
225 236 µA/
MHz
225 µA/
MHz
226 238 µA/
MHz
227 µA/
MHz
228 240 µA/
MHz
229 µA/
MHz
230 243 µA/
MHz
231 µA/
MHz
232 245 µA/
MHz
233 µA/
MHz
238 250 µA/
MHz
238 µA/
MHz
2014-06-13 - EFM32WG332FXX - d0191_Rev1.40
11
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