EFM32PG28 Gecko Family Data Sheet
The EFM32PG28 Gecko family of microcontrollers is part of the
Series 2 Gecko portfolio. EFM32PG28 Gecko MCUs are ideal for
KEY FEATURES
enabling energy-friendly embedded applications.
• 32-bit ARM® Cortex®-M33 core with 80
MHz maximum operating frequency
The highly efficient solution contains a 80 MHz Cortex-M33 with rich analog and commu-
nication peripherals to provide an industry-leading, energy efficient MCU for consumer
and industrial applications.
• Up to 1024 kB of flash and 256 kB of RAM
• Robust peripheral set and up to 51 GPIO
• Low energy operation
• 26 uA/MHz (EM0)
Gecko applications include:
• 1.1 uA sleep (EM2)
• Metering
• 16-channel ADC with options for 12, 16, or
20-bit resolution
• Industrial Automation
• Appliances
• Best-in-class security with Secure Vault™
• AI/ML Hardware Accelerator
• Portable Medical Devices
Features
available
down to
Energy Mode:
Core / Memory
Clock Management
Energy Management
HF Crystal
HF
ARM CortexTM M33
DSP extensions, FPU,
TrustZone
Flash
Memory
1024 kB
AI/ML
Hardware
Accelerator
DC-DC Buck
Regulator
Voltage
Regulators
Oscillator
RC Oscillator
Fast Startup
RC Oscillator
LF RC
Oscillator
EM0
Run
8-Channel
Linked DMA
Controller
Brown-Out
Detectors
Power-On
Reset
Debug Interface
SWD, ETM, JTAG
RAM Memory
256 kB
LF Crystal
Oscillator
Ultra LF RC
Oscillator
EM1
Sleep
32-bit bus
12-Channel Peripheral Reflex System
EM2
Deep Sleep
Security
Serial I/F
Timers and Triggers
I/O Ports
Analog I/F
2x EUSART
UART, SPI
Secure Boot RTSL
Keypad Scanner
2x 32-bit,
3-ch Timers
3x 16-bit,
3-ch Timers
EM3
Stop
12-20 bit ADC
Secure Debug
LCD Controller
External Interrupts
General Purpose I/O
Pin Reset
1x EUSART
UART, SPI
Protocol
Timer
LESENSE
12-bit VDAC
EM4
Shutoff
Crypto Acceleration,
TRNG, PUF Key
1x I2C
1x I2C
2-ch Low
Energy Timer
System Real
Time Counter
Analog
Comparator
DPA
Countemeasures
2x Watchdog
Timer
Back-Up Real
Time Counter
Temperature
Sensor
1x USART
UART, SPI, I2S
Pin Wakeup
Tamper Detect
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