SiM3U146-B-GQ, SiM3U1xx Datasheet (Silicon Laboratories)

SiM3U146-B-GQ, SiM3U1xx, 32-Bit Precision32 USB MCU

4 n 1.1.3.

ARM Cortex-M3 Reference Manual4 1.2.

Conventions 4 ig 2.

Typical Connection Diagrams 5 s 2.1.

Power 5 3.

Electrical Specifications8 e 3.1.

Electrical Characteristics 8 D 3.2.

Thermal Conditions 33 3.3.

Absolute Maximum Ratings33 4.

Precision32™ SiM3U1xx System Overview

SiM3U1xx High-Performance, Low-Power, 32-Bit Precision32™ USB MCU Family with up to 256 kB of Flash 32-bit ARM® Cortex™-M3 CPU Analog Peripherals - 80 MHz maximum frequency - 2 x 12-Bit Analog-to-Digital Converters: Up to 250 ksps 12-bit - Single-cycle multiplication, hardware division support mode or 1 Msps 10-bit mode, internal or external reference - Nested vectored interrupt control (NVIC) with 16 priority levels Memory - 32 256 kB Flash, in-system programmable - 8 32

SiM3U146-B-GQ Features

* e - 85 nA current mode with voltage supply monitor enabled N - Low-current RTC: 350 nA internal LFO, 620 nA external crystal - 12 μs wakeup (lowest power mode); 1.5 μs analog setting time r - 275 μA/MHz active current - Clocks can be gated off from unused peripherals to save power fo - Flexible cloc