M482 datasheet(16/401 Pages) NUVOTON

16 / 401 page

Mar 30, 2018

Page 16 of 401

Rev 1.00

NuMicro

® M480

32-bit ARM

Cortex

-M4F Microcontrolle

 Double data buffers for sample module 0~3.

 PDMA operation.

Digital-to-Analog

Converter (DAC)

 Two 12-bit, 1 MSPS voltage type DAC with 8-

bit mode and 8μs rail-

to-rail settle time.

 Maximum output voltage AV

DD -0.2V at buffer mode

 Digital-to-Analog conversion triggered by Timer0~3, EPWM0,

EPWM1, external trigger pin to start DAC conversion or software.

 Supports group mode for synchronized data update of two DACs.

 PDMA operation

Analog Comparator

(ACMP)

 Two rail-to-rail Analog Comparators.

 Supports four multiplexed I/O pins at positive input.

 Supports I/O pins, band-gap, DAC, and 16-level Voltage divider

from AVDD or VREF at negative input

 Supports four programmable propagation speeds for power saving

 Supports wake up from Power-down by interrput

 Supports triggers for brake events and cycle-by-cycle control for

PWM

 Supports window compare mode and window latch mode.

 Supports programmable hysteresis window: 0mV, 10mV, 20mV and

30mV

Operational Amplifier

(OPA)

 Three Operational Amplifiers with 0~AV

DD input voltage range.

 OPA schmitt trigger buffer output used as the interrupt source of

comparator.

Communication Interfaces

Low-power UART

 Six sets of UARTs with up to 17.45 MHz baud rate.

 Auto-Baud Rate measurement and baud rate compensation

function.

 Supports low power UART (LPUART): baud rate clock from

LXT(32.768 KHz) with 9600bps in Power-down mode even system

clock is stopped.

 16-byte FIFOs with programmable level trigger

 Auto flow control ( nCTS and nRTS)

 Supports IrDA (SIR) function

 Supports LIN function on UART0 and UART1

 Supports RS-485 9-bit mode and direction control

 Supports nCTS, incoming data, Received Data FIFO reached

threshold and RS-485 Address Match (AAD mode) wake-up

function in idle mode.

 Supports hardware or software enables to program nRTS pin to

control RS-485 transmission direction

 Supports wake-up function

M482 Datasheet(PDF) 16 Page - Nuvoton Technology Corporation

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