HK32F403CBT7

The HK32F403 series features an ARM Cortex-M4 core with a maximum operating frequency of 108MHz, up to 128Kbyte of Flash and 24Kbyte of SRAM. It provides multiple communication interfaces, including up to 3x UART, 2x high-speed SPI, 2x high-speed I2C, 1x infrared modulation IRTIM, and 1x CANFD. Integrated timers include 1x 16-bit advanced timer, 5x 16-bit general-purpose timers, and 1x 16-bit basic timer. Analog peripherals include 1x 12-bit ADC (up to 17 internal/external channels), 2x analog comparators, 1x power-on/power-down reset circuit, 1x programmable voltage detector/under-voltage reset circuit, 1x temperature sensor, and 1x internal reference voltage. All pins except power and ground can be configured as GPIO, peripheral I/O, or external interrupt inputs. Sleep and stop low-power modes are supported.

Applications

• Programmable controllers
• Printers
• Scanners
• Drone flight controllers
• Gimbal control
• Toy products
• Home appliances
• Intelligent robots
• Smartwatches
• Fitness bands

Key features

• ARM Cortex-M4 CPU core, up to 108MHz clock frequency, with 24-bit System Tick timer and DSP instruction set, no FPU or MMU
• Operating voltage range: single power domain 2.4V to 3.6V
• Operating temperature range: -40℃ to +105℃
• Memory includes 128 Kbyte main Flash with 0 wait-state bus cycle access (CPU frequency ≤ 32MHz), read/write protection; 3 Kbyte NVR INFO region; 3 Kbyte system memory for bootloader; 24 Kbyte SRAM
• Instruction access acceleration: 1 Kbyte instruction cache and Flash instruction prefetch support
• Run mode typical operating current: 2864.4μA @3.3V @8MHz, 14380.4μA @3.3V @108MHz
• Sleep mode typical operating current: 1395.6μA @3.3V @8MHz
• Stop mode normal mode typical operating current: 242.8μA @3.3V; low-power mode typical operating current: 8.4μA @3.3V
• Clock sources: on-chip high-speed clock 32 MHz, on-chip low-speed clock 40 kHz, external high-speed crystal 8 to 24 MHz, external low-speed crystal 32.768 kHz, on-chip PLL, and external GPIO input clock 0 to 32 MHz
• Reset types: software reset, power-on reset, external pin reset, independent watchdog reset, and window watchdog reset
• Up to 41 GPIO ports
• 3× UART with LIN support
• 2× I2C, supporting 1MHz/400kHz/100kHz transfer modes, SMBUS and PMBUS compliant
• 2× high-speed SPI, maximum clock frequency 50 MHz (master mode) / 30MHz (slave mode)
• 1× CANFD, ISO16845-1:2016 (E) certified, supporting CAN 2.0B and CAN FD protocols, CiA603 clock synchronization protocol
• Timers: 1× 16-bit advanced timer, 5× 16-bit general-purpose timers, 1× 16-bit basic timer
• 1× infrared remote control interface
• RTC with alarm, periodic wakeup in low-power mode, and tamper detection
• On-chip analog: 1× 12-bit SAR ADC (up to 16 external analog input channels), max conversion rate 1.52MSPS; 2× voltage comparators; 1× temperature sensor
• 96-bit chip UID for use as serial number and security key, enabling secure boot process
• CPU trace and debug: SWD debug interface, ARM CoreSight debug components, custom DBGMCU debug controller