M052LBN datasheet(7/68 Pages) ETC2

7 / 68 page

NuMicro

™

M052/M054BN Data Sheet

Publication Release Date: Mar. 19, 2012

- 7 -

Revision V1.01

FEATURES



Core



ARM

® Cortex™-M0 core runs up to 50 MHz.



One 24-bit system timer.



Supports low power sleep-mode.



A single-cycle 32-bit hardware multiplier.



NVIC for the 32 interrupt inputs, each with 4-levels of priority.



Supports Serial Wire Debug (SWD) interface and 2 watchpoints/4 breakpoints.



Built-in LDO for Wide Operating Voltage Range: 2.5V to 5.5V



Memory



8KB/16KB Flash memory for program memory (APROM)



4KB Flash memory for data memory (DataFlash)



4KB Flash memory for loader (LDROM)



4KB SRAM for internal scratch-pad RAM (SRAM)



Clock Control



Programmable system clock source



4~24 MHz external crystal input



22.1184 MHz internal oscillator (trimmed to 3% accuracy)



10 kHz low-power oscillator for Watchdog Timer and wake-up in sleep mode



PLL allows CPU operation up to the maximum 50MHz



I/O Port



Up to 40 general-purpose I/O (GPIO) pins for LQFP-48 package



Four I/O modes:

 Quasi bi-direction

 Push-Pull output

 Open-Drain output

M052LBN 数据表(PDF) 7 Page - List of Unclassifed Manufacturers

M052LBN 数据表(HTML) 7 Page - List of Unclassifed Manufacturers

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