兆易创新GD32F105系列(互联型)-GD32 ARM Cortex-M3微控制器GD32F105 Series (Connectivity)-GD32 ARM Cortex-M3 Microcontrollers

特性
ARM ® CortexTM-M3内核

频率高达108 MHz
单周期乘法器和硬件除法器
NVIC支持16个内部与43个外部中断，并且每个中断均具备16个优先级

闪存
内置高达1024 KB闪存
内置高达96 KB SRAM
2KB ISP加载器ROM

低功耗管理
支持省电模式：睡眠、深度睡眠与待机模式
为RTC和备份寄存器提供独立电池供电

高性能模拟外设
3个12位，1μs ADC（16通道）
2 x DAC

集成式外设接口
高达5 x USART/Irda/LIN/ISO7816
高达3 x SPI (18Mbit/s)
高达2 x I2C (400Kbit/s)
USB OTG 2.0 FS

片上资源
1个SysTick定时器，高达10 x GPTM，2个基本定时器，2个WDT，支持7通道DMA：定时器、ADC、SPI、I2C和USART
POR、PDR与LVD
80%可用GPIO
32位CRC
时钟：HSI (8MHz)与LSI (40KHz)
支持外部存储器控制：SRAM、PSRAM、NOR-Flash、LCD、NAND Flash

Features
ARM ® CortexTM-M3 core

Frequency up to 108 MHz
Single-cycle multiplier and hardware divider
NVIC support 16 internal and 43 external interrupts, each interrupt has 16 priority levels
Flash memory

Flash up to 1024 KB
SRAM up to 96 KB
2KB ISP loader ROM
Low-power management

Support power saving mode: sleep, deep-sleep and standby mode
Independent battery supply for RTC and backup register
High performance analog peripherals

3 x 12bit, 1μs ADC (16 channels)
2 x DAC
Integrated peripherals interface

Up to 5 x USART/Irda/LIN/ISO7816
Up to 3 x SPI (18Mbit/s)
Up to 2 x I2C (400Kbit/s)
USB OTG 2.0 FS
On-chip resources

1 x SysTick Timer, up to 10 x GPTM, 2 x Basic Timer, 2 x WDT, 7-chs DMA supported: timers, ADC, SPIs,I2Cs and USARTs
POR,PDR and LVD
80% available GPIO
32 bit CRC
Clock: HSI (8MHz) and LSI (40KHz)
External Memory Control supported: SRAM, PSRAM, NOR-Flash, LCD, NAND Flash