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The M487SIDAE is a high performance, low power microcontroller powered by the Arm® Cortex®-M4F core with DSP extension. It can run up to 192 MHz with 175 µA/MHz dynamic low power consumption. The 512 KB embedded dual bank Flash memory supports OTA (Over-The-Air) firmware upgrade, and the 160 KB embedded SRAM includes 32 KB cache to speed up external SPI Flash code execution. The factory pre-loaded bootloader delivers Secure Boot functionality to provide the code integrity check in embedded Flash memory. The built-in Secure Protection ROM provides a safe space for saving confidential program or data. One-Time Programmable ROM is also included for product life-cycle management.

The M487SIDAE supports operating voltage from 1.8V to 3.6V, and industrial operating temperature from -40°C to 105°C. It is equipped with 10/100 Mbps Ethernet MAC with RMII and hardware cryptography engine. Package type is LQFP64.

Target Application:
Industrial IoT, Smart Home, IoT Gateway, Serial-to-Ethernet Converter, etc.

Key Features:

  - Up to 192 MHz Arm® Cortex ®-M4F delivering 1.25 DMIPS per MHz
  - DSP instruction set
  - Memory Protection Unit (MPU)
  - 512 KB zero-wait state Flash memory
  - 160 KB RAM, including 32 KB external SPI Flash cache
  - 4 KB Secure Protection ROM
  - 2 KB One-Time-Programmable ROM
Cyclic Redundancy Calculation Unit
16-ch Peripheral DMA Controller
External Bus Interface
  - LCD parallel interface, i80 mode
  - 4 to 24 MHz crystal oscillator
  - 32 kHz oscillator for RTC
  - Internal 12 MHz RC oscillator
  - Internal 10 kHz RC oscillator
  - Internal PLL up to 480 MHz
  - 80 bytes of battery-powered backup registers
Timer & PWM
  - Four 32-bit timers
  - Twelve Enhanced PWM with twelve 16-bit timers
  - Twelve Basic PWM with two 16-bit timers
  - One 24-bit count-down SysTick timer
  - One watchdog timer
  - One window watchdog timer
Cryptography Accelerator
  - ECC (P-521, B-571, K-571)
  - AES-128, 192, 256
  - DES/ 3DES
  - SHA-160, 224, 256, 384, 512
  - HMAC
  - Random number generator
Analog Peripheral
  - One 12-bit, up to 16-ch 5MSPS SAR ADC
  - Two 12-bit, 1 MSPS DAC
  - Two rail-to-rail comparators
  - Two operational amplifiers
Communication Interface
  - Up to 6 low power UART interfaces (17 Mbps), including 2 LIN interfaces
  - Up to 3 ISO-7816 interfaces (3.4 MHz), supporting full duplex UART mode
  - Three I²C interfaces (Up to 3.4 Mbps)
  - One SPI Flash interface (Up to 96 MHz) supports quad mode
  - One Quad-SPI interface (Up to 96 MHz)
  - Up to 4 SPI/ I²S interfaces (SPI up to 96 MHz, I²S up to 192 kHz/16-bit)
  - One I²S interface (192 kHz/32-bit)
  - Two USCI interfaces, supporting configurable UART/ SPI/ I²C
  - Two CAN 2.0B interfaces
  - Two Secure Digital Host Controllers (50 MHz)
Control Interface
  - Two quadrature encoder interfaces
  - One 24-bit, 3-ch input capture timer/counter units
Advanced Connectivity
  - USB 2.0 high speed device/ host/ OTG controller with on-chip PHY
  - 10/100 Mbps Ethernet MAC with RMII
Operating Characteristic
  - Voltage range: 1.8V to 3.6V
  - Temperature range: -40°C to +105°C

For more details and documents, please link to Nuvoton Official Website

Volume discounts

QuantityDiscountYou Save
Part No.M487SIDAE
Flash (Kbytes)512
SRAM (Kbytes)160
DAC (12-bit)2
ADC (12-bit)16
PackageLQFP 64
ISP Loader ROM(KB)4
Tamper Pin1
Operational Amplifler2
LCD Parallel Data Bus (External Bus Interface)8

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