EFM32JG1B200F128GM32-C0 datasheet, PDF

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EFM32JG1B200F128GM32-C0: DescriptionARM® Cortex®-M3 series 微控制器 IC 32-位 40MHz 128KB（128K x 8）闪存 32-QFN（5x5）; Categorysemiconductor The embedded processor and controller; File Size2MB，102 Pages; ManufacturerSilicon Labs; Websitehttps://www.silabs.com

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EFM32JG1B200F128GM32-C0 Overview

ARM® Cortex®-M3 series 微控制器 IC 32-位 40MHz 128KB（128K x 8）闪存 32-QFN（5x5）

EFM32JG1B200F128GM32-C0 Parametric

Parameter Name	Attribute value
category
Maker	Silicon Labs
series	Jade Gecko
Package	tray
\u96F6\u4EF6\u72B6\u6001	\u5728\u552E
core processor	ARM® Cortex®-M3
Kernel specifications	32-bit
speed	40MHz
Connectivity	I²C, IrDA, LINbus, smart card, SPI, UART/USART
Peripheral	Undervoltage detection/reset, DMA, I²S, POR, PWM, WDT
Program storage capacity	128KB（128K x 8）
Program memory type	flash memory
EEPROM capacity	-
RAM size	32K x 8
Voltage - Power supply (Vcc/Vdd)	1.85V ~ 3.8V
data converter	A/D 20x12b
Oscillator type	internal
Operating temperature	-40°C ~ 85°C（TA）
Installation type	surface mount type
Package/casing	32-VFQFN Exposed Pad
Supplier device packaging	32-QFN（5x5）
Number of I/Os	20
Basic product number	EFM32JG1B200

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EFM32 Jade Gecko Family

EFM32JG1 Data Sheet

The EFM32 Jade Gecko MCUs are the world’s most energy-

friendly microcontrollers.

EFM32JG1 features a powerful 32-bit ARM

Cortex

-M3 and a wide selection of periph-

erals, including a unique cryptographic hardware engine supporting AES, ECC, and

SHA. These features, combined with ultra-low current active mode and short wake-up

time from energy-saving modes, make EFM32JG1 microcontrollers well suited for any

battery-powered application, as well as other systems requiring high performance and

low-energy consumption.

Example applications:

• IoT devices and sensors

• Health and fitness

• Smart accessories

• Home automation and security

• Industrial and factory automation

ENERGY FRIENDLY FEATURES

• ARM Cortex-M3 at 40 MHz

• Ultra low energy operation:

• 2.1 μA EM3 Stop current (CRYOTIMER

running with state/RAM retention)

• 2.5 μA EM2 DeepSleep current (RTCC

running with state and RAM retention)

• 63 μA/MHz in Energy Mode 0 (EM0)

• Hardware cryptographic engine supports

AES, ECC, and SHA

• Integrated dc-dc converter

• CRYOTIMER operates down to EM4

• 5 V tolerant I/O

Core / Memory

Clock Management

High Frequency

Crystal

Oscillator

Low Frequency

RC Oscillator

DMA Controller

Low Frequency

Crystal

Oscillator

High Frequency

RC Oscillator

Auxiliary High

Frequency RC

Oscillator

Ultra Low

Frequency RC

Oscillator

Energy Management

Voltage

Regulator

DC-DC

Converter

Brown-Out

Detector

Voltage Monitor

ARM Cortex

M3 processor

Memory

Protection Unit

Power-On Reset

Flash Program

Memory

RAM Memory

Debug Interface

32-bit bus

Peripheral Reflex System

Serial Interfaces

USART

I/O Ports

External Interrupts

General Purpose I/O

Timers and Triggers

Timer/Counter

Low Energy Timer

Real Time Counter

and Calendar

CRYOTIMER

Analog Interfaces

ADC

Other

CRYPTO

Low Energy UART

Pulse Counter

Analog Comparator

CRC

Pin Reset

Pin Wakeup

Watchdog Timer

IDAC

Lowest power mode with peripheral operational:

EM0 - Active

EM1 - Sleep

EM2 – Deep Sleep

EM3 - Stop

EM4 - Hibernate

EM4 - Shutoff

silabs.com

| Smart. Connected. Energy-friendly.

Rev. 1.1

EFM32JG1 Data Sheet

System Overview

3.2 Power

The EFM32JG1 has an Energy Management Unit (EMU) and efficient integrated regulators to generate internal supply voltages. Only a

single external supply voltage is required, from which all internal voltages are created. An optional integrated dc-dc buck regulator can

be utilized to further reduce the current consumption. The dc-dc regulator requires one external inductor and one external capacitor.

AVDD and VREGVDD need to be 1.85 V or higher for the MCU to operate across all conditions; however the rest of the system will

operate down to 1.62 V, including the digital supply and I/O. This means that the device is fully compatible with 1.8 V components.

Running from a sufficiently high supply, the device can use the dc-dc to regulate voltage not only for itself, but also for other PCB com-

ponents, supplying up to a total of 200 mA.

3.2.1 Energy Management Unit (EMU)

The Energy Management Unit manages transitions of energy modes in the device. Each energy mode defines which peripherals and

features are available and the amount of current the device consumes. The EMU can also be used to turn off the power to unused RAM

blocks, and it contains control registers for the DC-DC regulator and the Voltage Monitor (VMON). The VMON is used to monitor multi-

ple supply voltages. It has multiple channels which can be programmed individually by the user to determine if a sensed supply has

fallen below a chosen threshold.

3.2.2 DC-DC Converter

The DC-DC buck converter covers a wide range of load currents and provides up to 90% efficiency in energy modes EM0, EM1, EM2

and EM3, and can supply up to 200 mA to the device and surrounding PCB components. Protection features include programmable

current limiting, short-circuit protection, and dead-time protection. The DC-DC converter may also enter bypass mode when the input

voltage is too low for efficient operation. In bypass mode, the DC-DC input supply is internally connected directly to its output through a

low resistance switch. Bypass mode also supports in-rush current limiting to prevent input supply voltage droops due to excessive out-

put current transients.

3.3 General Purpose Input/Output (GPIO)

EFM32JG1 has up to 32 General Purpose Input/Output pins. Each GPIO pin can be individually configured as either an output or input.

More advanced configurations including open-drain, open-source, and glitch-filtering can be configured for each individual GPIO pin.

The GPIO pins can be overridden by peripheral connections, like SPI communication. Each peripheral connection can be routed to sev-

eral GPIO pins on the device. The input value of a GPIO pin can be routed through the Peripheral Reflex System to other peripherals.

The GPIO subsystem supports asynchronous external pin interrupts.

3.4 Clocking

3.4.1 Clock Management Unit (CMU)

The Clock Management Unit controls oscillators and clocks in the EFM32JG1. Individual enabling and disabling of clocks to all periph-

eral modules is performed by the CMU. The CMU also controls enabling and configuration of the oscillators. A high degree of flexibility

allows software to optimize energy consumption in any specific application by minimizing power dissipation in unused peripherals and

oscillators.

3.4.2 Internal and External Oscillators

The EFM32JG1 supports two crystal oscillators and fully integrates four RC oscillators, listed below.

• A high frequency crystal oscillator (HFXO) with integrated load capacitors, tunable in small steps, provides a precise timing refer-

ence for the MCU. Crystal frequencies in the range from 38 to 40 MHz are supported. An external clock source such as a TCXO can

also be applied to the HFXO input for improved accuracy over temperature.

• A 32.768 kHz crystal oscillator (LFXO) provides an accurate timing reference for low energy modes.

• An integrated high frequency RC oscillator (HFRCO) is available for the MCU system, when crystal accuracy is not required. The

HFRCO employs fast startup at minimal energy consumption combined with a wide frequency range.

• An integrated auxilliary high frequency RC oscillator (AUXHFRCO) is available for timing the general-purpose ADC and the Serial

Wire debug port with a wide frequency range.

• An integrated low frequency 32.768 kHz RC oscillator (LFRCO) can be used as a timing reference in low energy modes, when crys-

tal accuracy is not required.

• An integrated ultra-low frequency 1 kHz RC oscillator (ULFRCO) is available to provide a timing reference at the lowest energy con-

sumption in low energy modes.

silabs.com

| Smart. Connected. Energy-friendly.

Rev. 1.1 | 4

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