SILICON LABS

SIM3U157-B-GQ

Datasheet

32-Bit ARM MPU, 80MHz, 128KB Flash, 65 I/O, TQFP

Silicon Labs

SIM3U157-B-GQ

Name: SIM3U157-B-GQ Silicon Labs
Brand: Silicon Labs
SKU: SIM3U157-B-GQ

32-Bit ARM MPU, 80MHz, 128KB Flash, 65 I/O, TQFP

32-bit ARM Cortex M3 RISC microprocessor featuring 128KB FLASH memory and 32KB RAM. Operates at up to 80MHz with a 1.8V to 3.6V supply voltage range. Offers 65 programmable I/Os, including 2x ADC channels, 2x I2C, 2x PWM, 3x SPI, 2x UART, and 1x USB channel. Includes integrated peripherals like Brown-out Detect/Reset, POR, WDT, and DMA. Packaged in an 80-pin TQFP with dimensions of 12mm x 12mm x 1.05mm.

Frequency80MHz

PackageTQFP

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Technical Specifications

Silicon Labs SIM3U157-B-GQ technical specifications.

General

Package/Case	TQFP
Core Architecture	ARM
Data Bus Width	32b
Frequency	80MHz
Height	1.05mm
Length	12mm
Max Frequency	80MHz
Max Operating Temperature	85°C
Max Power Dissipation	500mW
Max Supply Voltage	3.6V
Memory Size	128KB
Memory Type	FLASH,
Min Operating Temperature	-40°C
Min Supply Voltage	1.8V
Number of ADC Channels	2
Number of Channels	10
Number of I/Os	65
Number of I2C Channels	2
Number of Programmable I/O	65
Number of PWM Channels	2
Number of SPI Channels	3
Number of Timers/Counters	2
Number of UART Channels	2
Number of USB Channels	1
Oscillator Type	Internal
Package Quantity	119
Packaging	Tray
Peripherals	Brown-out Detect/Reset, POR, PWM, WDT, DMA
RAM Size	32KB
RoHS Compliant	Yes
Series	SiM3U1xx
Watchdog Timer	Yes
Width	12mm