DATASHEET
The M481SGAAE 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 256 KB embedded dual bank Flash memory supports OTA (Over-The-Air) firmware upgrade, and 96 KB embedded SRAM. 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 M481SGAAE supports operating voltage from 1.8V to 3.6V, and industrial operating temperature from -40°C to 105°C. It is equipped with high speed UART/ SPI/ I²C/ PWM peripherals. Package type is LQFP64.
Target Application:
IoT Device, Data Collector, etc.  
Key Features:
| 
| • | Core |  
|  | - | Up to 192 MHz Arm® Cortex ®-M4F delivering 1.25 DMIPS per MHz |  
|  | - | DSP instruction set |  
|  | - | Memory Protection Unit (MPU) |  
|  |  |  
| • | Memory |  
|  | - | 256 KB zero-wait state Flash memory |  
|  | - | 96 KB RAM |  
|  | - | 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 |  
|  |  |  
| • | Clocks |  
|  | - | 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 |  
|  |  |  
| • | RTC |  
|  | - | 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 |  | 
| • | 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 Secure Digital Host Controllers (50 MHz) |  
|  |  |  
| • | Control Interface |  
|  | - | Two quadrature encoder interfaces |  
|  | - | One 24-bit, 3-ch input capture timer/counter units |  
|  |  |  
| • | 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 GO