M482 datasheet(14/401 Pages) NUVOTON

14 / 401 page

Mar 30, 2018

Page 14 of 401

Rev 1.00

NuMicro

® M480

32-bit ARM

Cortex

-M4F Microcontrolle

 Up to 480 MHz on-chip PLL, sourced from HIRC or HXT, allows

CPU operation up to the maximim CPU frequency without the need

for a high-frequency crystal

Real-Time Clock (RTC)

 Real-Time Clock with a separate power domain

 The RTC clock source includes Low-speed external crystal

oscillator (LXT)

 The RTC block includes 80 bytes backup registers, which can be

cleared by tamper pins

 Supports 6 static and dynamic tamper pins

 Able to wake up CPU from any reduced power mode

 Supports ±5ppm within 5 seconds software clock accuracy

compensation

 Supports Alarm registers (second, minute, hour, day, month, year)

 Supports RTC Time Tick and Alarm Match interrupt

 Automatic leap year recognition

 Supports 1 Hz clock output for calibration

Timers

32-bit Timer

TIMER

 Four sets of 32-bit timers with 24-bit up counter and one 8-bit pre-

scale counter from independent clock source

 One-shot, Periodic, Toggle and Continuous Counting operation

modes

 Supports event counting function to count the event from external

pins

 Supports external capture pin for interval measurement and

resetting 24-bit up counter

 Supports chip wake-up function, if a timer interrupt signal is

generated

PWM

 Eight 16-bit PWM counters with 12-bit clock prescale

 Supports 12-bit deadband (dead time)

 Up, down or up-down PWM counter type

 Supports brake function

 Supports mask function and tri-state output for each PWM channel

Enhanced PWM (EPWM)

 Twelve 16-bit counters with 12-bit clock prescale for twelve 192

MHz PWM output channels

 Up to 12 independent input capture channels with 16-bit resolution

counter

 Supports dead time with maximum divided 12-bit prescale

 Up, down or up-down PWM counter type

 Supports complementary mode for 3 complementary paired PWM

output channels

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