GD32F305xx

Part: GD32F30x/GD32F403 series — GigaDevice Semiconductor Inc.

Type: 32-bit General-Purpose MCU

Description: 32-bit general-purpose MCUs based on Arm® Cortex®-M4 architecture, designed for hardware development with a VDD/VDDA operating voltage range of 2.6 V to 3.6 V.

Operating Conditions:

• Supply voltage: 2.6 V ~ 3.6 V (VDD/VDDA)
• Backup domain supply voltage: 1.8 V ~ 3.6 V (VBAK)
• VREF+ voltage: 2.6 V ≤ VREF+ ≤ VDDA

Absolute Maximum Ratings:

• Max voltage difference between VDDA and VDD: 300mV

Key Specs:

• Core: Arm® Cortex®-M4
• VDD/VDDA operating voltage range: 2.6 V ~ 3.6 V
• Backup domain supply voltage range: 1.8 V ~ 3.6 V
• VREF+ operating voltage range: 2.6 V ≤ VREF+ ≤ VDDA
• Internal LDO: Powers 1.2V domain
• ADC independent power supply: VREF+ (on 100+ pin packages)
• Max voltage difference between VDDA and VDD: 300mV

Features:

• Power management with VDD/VDDA, 1.2V, and Backup domains
• Embedded LDO for 1.2V domain
• Backup domain powered by VDD or VBAT
• Low Voltage Detector (LVD), Power On Reset (POR), Power Down Reset (PDR)
• High-speed (HXTAL) and low-speed (LXTAL) crystal oscillator clock support
• Clock output capability (CKOUT)
• HXTAL Clock monitor (CKM)
• Multiple boot configurations
• JTAG and SWD download/debug interfaces

Applications:

• General-purpose MCU applications
• Hardware development based on GD32F30x/GD32F403 series

Package:

• 64 and less pin package chips
• 100 and more pin package chips
• BGA100