EFM32TG225F8-BGA48 datasheet, PDF

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EFM32TG225F8-BGA48: DescriptionARM Microcontrollers - MCU 8kb flash 2kb RAM; Categorysemiconductor The embedded processor and controller; File Size2MB，66 Pages; ManufacturerSilicon Laboratories

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ARM Microcontrollers - MCU 8kb flash 2kb RAM

EFM32TG225F8-BGA48 Parametric

Parameter Name	Attribute value
Product Category	ARM Microcontrollers - MCU
Manufacturer	Silicon Laboratories
RoHS	Details
Mounting Style	SMD/SMT
Package / Case	BGA-48
Core	ARM Cortex M3
Data Bus Width	32 bit
Maximum Clock Frequency	32 MHz
Program Memory Size	8 kB
Data RAM Size	2 kB
Operating Supply Voltage	3 V
Maximum Operating Temperature	+ 85 C
Packaging	Reel
I/O Voltage	3 V
Minimum Operating Temperature	- 40 C
Moisture Sensitive	Yes
Number of Timers/Counters	2 x 16 bit
Processor Series	EFM32TG225
Factory Pack Quantity	1000
Supply Voltage - Max	3.8 V
Supply Voltage - Min	1.98 V

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...the world's most energy friendly microcontrollers

EFM32TG225 DATASHEET

F32/F16/F8

•

ARM Cortex-M3 CPU platform

• High Performance 32-bit processor @ up to 32 MHz

• Wake-up Interrupt Controller

•

Flexible Energy Management System

• 20 nA @ 3 V Shutoff Mode

• 0.6 µA @ 3 V Stop Mode, including Power-on Reset, Brown-out

Detector, RAM and CPU retention

• 1.0 µA @ 3 V Deep Sleep Mode, including RTC with 32.768 kHz

oscillator, Power-on Reset, Brown-out Detector, RAM and CPU

retention

• 51 µA/MHz @ 3 V Sleep Mode

• 150 µA/MHz @ 3 V Run Mode, with code executed from flash

•

32/16/8 KB Flash

•

4/4/2 KB RAM

•

37 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

•

8 Channel DMA Controller

•

8 Channel Peripheral Reflex System (PRS) for autonomous in-

ter-peripheral signaling

•

Hardware AES with 128/256-bit keys in 54/75 cycles

•

Timers/Counters

• 2× 16-bit Timer/Counter

• 2×3 Compare/Capture/PWM channels

• 16-bit Low Energy Timer

• 1× 24-bit Real-Time Counter

• 1× 16-bit Pulse Counter

• Watchdog Timer with dedicated RC oscillator @ 50 nA

•

Communication interfaces

• 2× Universal Synchronous/Asynchronous Receiv-

er/Transmitter

• UART/SPI/SmartCard (ISO 7816)/IrDA/I2S

• Triple buffered full/half-duplex operation

• Low Energy UART

• Autonomous operation with DMA in Deep Sleep

Mode

• I C Interface with SMBus support

• Address recognition in Stop Mode

•

Ultra low power precision analog peripherals

• 12-bit 1 Msamples/s Analog to Digital Converter

• 4 single ended channels/2 differential channels

• On-chip temperature sensor

• 12-bit 500 ksamples/s Digital to Analog Converter

• 2× Analog Comparator

• Capacitive sensing with up to 12 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

•

2-pin Serial Wire Debug interface

• 1-pin Serial Wire Viewer

•

Pre-Programmed UART Bootloader

•

Temperature range -40 to 85 ºC

•

Single power supply 1.98 to 3.8 V

•

BGA48 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

...the world's most energy friendly microcontrollers

divided into two blocks; the main block and the information block. Program code is normally written to

the main block. Additionally, the information block is available for special user data and flash lock bits.

There is also a read-only page in the information block containing system and device calibration data.

Read and write operations are supported in the energy modes EM0 and EM1.

2.1.4 Direct Memory Access Controller (DMA)

The Direct Memory Access (DMA) controller performs memory operations independently of the CPU.

This has the benefit of reducing the energy consumption and the workload of the CPU, and enables

the system to stay in low energy modes when moving for instance data from the USART to RAM or

from the External Bus Interface to a PWM-generating timer. The DMA controller uses the PL230 µDMA

controller licensed from ARM.

2.1.5 Reset Management Unit (RMU)

The RMU is responsible for handling the reset functionality of the EFM32TG.

2.1.6 Energy Management Unit (EMU)

The Energy Management Unit (EMU) manage all the low energy modes (EM) in EFM32TG microcon-

trollers. Each energy mode manages if the CPU and the various peripherals are available. The EMU

can also be used to turn off the power to unused SRAM blocks.

2.1.7 Clock Management Unit (CMU)

The Clock Management Unit (CMU) is responsible for controlling the oscillators and clocks on-board

the EFM32TG. The CMU provides the capability to turn on and off the clock on an individual basis to all

peripheral modules in addition to enable/disable and configure the available oscillators. The high degree

of flexibility enables software to minimize energy consumption in any specific application by not wasting

power on peripherals and oscillators that are inactive.

2.1.8 Watchdog (WDOG)

The purpose of the watchdog timer is to generate a reset in case of a system failure, to increase appli-

cation reliability. The failure may e.g. be caused by an external event, such as an ESD pulse, or by a

software failure.

2.1.9 Peripheral Reflex System (PRS)

The Peripheral Reflex System (PRS) system is a network which lets the different peripheral module

communicate directly with each other without involving the CPU. Peripheral modules which send out

Reflex signals are called producers. The PRS routes these reflex signals to consumer peripherals which

apply actions depending on the data received. The format for the Reflex signals is not given, but edge

triggers and other functionality can be applied by the PRS.

2.1.10 Inter-Integrated Circuit Interface (I2C)

The I C module provides an interface between the MCU and a serial I C-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 I C 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.

2015-03-06 - EFM32TG225FXX - d0205_Rev1.40

www.silabs.com

...the world's most energy friendly microcontrollers

2.1.11 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.

2.1.12 Pre-Programmed UART Bootloader

The bootloader presented in application note AN0003 is pre-programmed in the device at factory. Auto-

baud and destructive write are supported. The autobaud feature, interface and commands are described

further in the application note.

2.1.13 Low Energy Universal Asynchronous Receiver/Transmitter

(LEUART)

The unique LEUART , 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.

2.1.14 Timer/Counter (TIMER)

The 16-bit general purpose Timer has 3 compare/capture channels for input capture and compare/Pulse-

Width Modulation (PWM) output.

2.1.15 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.

2.1.16 Low Energy Timer (LETIMER)

The unique LETIMER , the Low Energy Timer, is a 16-bit timer that is available in energy mode EM2

in addition to EM1 and EM0. Because of this, it can be used for timing and output generation when most

of the device is powered down, allowing simple tasks to be performed while the power consumption of

the system is kept at an absolute minimum. The LETIMER can be used to output a variety of waveforms

with minimal software intervention. It is also connected to the Real Time Counter (RTC), and can be

configured to start counting on compare matches from the RTC.

2.1.17 Pulse Counter (PCNT)

The Pulse Counter (PCNT) can be used for counting pulses on a single input or to decode quadrature

encoded inputs. It runs off either the internal LFACLK or the PCNTn_S0IN pin as external clock source.

The module may operate in energy mode EM0 - EM3.

2.1.18 Analog Comparator (ACMP)

The Analog Comparator is used to compare the voltage of two analog inputs, with a digital output indi-

cating which input voltage is higher. Inputs can either be one of the selectable internal references or from

external pins. Response time and thereby also the current consumption can be configured by altering

the current supply to the comparator.

2015-03-06 - EFM32TG225FXX - d0205_Rev1.40

www.silabs.com

EFM32TG225F8-BGA48 Related Products

	EFM32TG225F8-BGA48	EFM32TG225F16-BGA48	EFM32TG225F8-BGA48T	EFM32TG225F32-BGA48T	EFM32TG225F32-BGA48
Description	ARM Microcontrollers - MCU 8kb flash 2kb RAM		ARM Microcontrollers - MCU 8k Flash 2k RAM AES 3 Op-Amps	ARM Microcontrollers - MCU 32k Flash 4k RAM AES 3 Op-Amps	Digital to Analog Converters - DAC 16 Bit,6GSPS RF DAC u0026DDS w/interpolation
Product Category	ARM Microcontrollers - MCU	ARM Microcontrollers - MCU	ARM Microcontrollers - MCU	ARM Microcontrollers - MCU	ARM Microcontrollers - MCU
Manufacturer	Silicon Laboratories	Silicon Laboratories	Silicon Laboratories	Silicon Laboratories	Silicon Laboratories
RoHS	Details	Details	Details	Details	Details
Moisture Sensitive	Yes	Yes	Yes	Yes	Yes
Number of Timers/Counters	2 x 16 bit	2 x 16 bit	2 x 16 bit	2 x 16 bit	2 x 16 bit
Factory Pack Quantity	1000	1000	490	490	1000
Mounting Style	SMD/SMT	SMD/SMT	-	-	SMD/SMT
Package / Case	BGA-48	BGA-48	-	-	BGA-48
Core	ARM Cortex M3	ARM Cortex M3	-	-	ARM Cortex M3
Data Bus Width	32 bit	32 bit	-	-	32 bit
Maximum Clock Frequency	32 MHz	32 MHz	-	-	32 MHz
Program Memory Size	8 kB	16 kB	-	-	32 kB
Data RAM Size	2 kB	4 kB	-	-	4 kB
Operating Supply Voltage	3 V	3 V	-	-	3 V
Maximum Operating Temperature	+ 85 C	+ 85 C	-	-	+ 85 C
Packaging	Reel	Reel	Tray	Tray	Cut Tape
I/O Voltage	3 V	3 V	-	-	3 V
Minimum Operating Temperature	- 40 C	- 40 C	-	-	- 40 C
Processor Series	EFM32TG225	EFM32TG225	-	-	EFM32TG225
Supply Voltage - Max	3.8 V	3.8 V	-	-	3.8 V
Supply Voltage - Min	1.98 V	1.98 V	-	-	1.98 V

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