APM32F091VBT6 Datasheet (Geehy)

APM32F091VBT6, 32-bit MCU

8 3.3 GPIO Multiplexing Function Configuration 17 4 Functional description 21 4.1 System architecture 21 4.1.1 System Block Diagram 21 4.1.2 Address mapping22 4.1.3 Startup configuration 24 4.2 Core 24 4.3 Interrupt controller 24 4.3.1 Nested Vector Interrupt Controller (NVIC)24 4.3.2 External

Datasheet APM32F091xBxC Arm® Cortex® -M0+ based 32-bit MCU Version: V1.4 1 Product characteristics Core 32-bit Arm® Cortex ® -M0+ core Up to 48MHz working frequency On-chip memory Flash：128~256KB SRAM：32KB Clock HSECLK: 4~32MHz external crystal/ ceramic oscillator supported LSECLK: 32.768KHz crystal/ceramic oscillator supported HSICLK: 8MHz RC oscillator HSICLK48: 48MHz RC oscillator HSIC