M482 datasheet(13/401 Pages) NUVOTON

13 / 401 page

Mar 30, 2018

Page 13 of 401

Rev 1.00

NuMicro

® M480

32-bit ARM

Cortex

-M4F Microcontrolle

 32-bit/64-bit and multi-word Flash programming function

SRAM

 Up to 160 KB on-chip SRAM includes:

– 32 KB SRAM located in bank 0 that supports hardware parity

check and retenion mode; Exception (NMI) generated upon a

parity check error

– 96/32 KB SRAM located in bank 1

– 32 KB SRAM located in bank 2 that can be used as cache for

external SPI Flash memory

 Byte-, half-word- and word-access

 PDMA operation

Cyclic Redundancy

Calculation (CRC)

 Supports CRC-CCITT, CRC-8, CRC-16 and CRC-32 polynomials

 Programmable initial value and seed value



Programmable order reverse setting and one’s complement setting

for input data and CRC checksum

 8-bit, 16-bit, and 32-bit data width

 8-bit write mode with 1-AHB clock cycle operation

 16-bit write mode with 2-AHB clock cycle operation

 32-bit write mode with 4-AHB clock cycle operation

 Uses DMA to write data with performing CRC operation

Peripheral DMA (PDMA)

 Sixteen independent and configurable channels for automatic data

transfer between memories and peripherals

 Basic and Scatter-Gather transfer modes

 Each channel supports circular buffer management using Scatter-

Gather Transfer mode

 Stride function for rectangle image data movement

 Fixed-priority and Round-robin priorities modes

 Single and burst transfer types

 Byte-, half-word- and word tranfer unit with count up to 65536

 Incremental or fixed source and destination address

Clocks

External Clock Source

 4~24 MHz High-speed eXternal crystal oscillator (HXT) for precise

timing operation

 32.7688 kHz Low-speed eXternal crystal oscillator (LXT) for RTC

function and low-power system operation

 Supports clock failure detection for external crystal oscillators and

exception generatation (NMI)

Internal Clock Source

 12 MHz High-speed Internal RC oscillator (HIRC) trimmed to 2%

accuracy that can optionally be used as a system clock

 10 kHz Low-speed Internal RC oscillator (LIRC) for watchdog timer

and wakeup operation

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