FU6880Q1

Feature

• Power supply: External power supply 6.5V ~ 20V is connected to VCC pin, and internal LDO supplies VDD5 voltage
• Dual core: 8051 core and ME core
• An instruction cycle mostly takes 1 or 2 system clock cycle(s)
• 32kB Flash ROM with CRC, self-program and code protection
• 256 bytes IRAM and 3.75k bytes XRAM
• Protection features, including TSD, OCP and OVP
• ME: Core integrating PID module, FOC module, MDU auxiliary computing module and LPF module
• 16 interrupt sources with 4 configurable priority levels
• Number of GPIOs: 16
• Timer:
• Timer1: Timer supporting square wave drive timing control, automatic commutation, adaptive diode freewheeling masking, cycle-by-cycle current limiting and Hall/BEMF-based position sensing
• Timer2: Timer supporting PWM output, measurement of duty cycle and period of input PWM wave, measurement of the time of set PWM wave numbers, QEP decoding, tailwind/headwind detection (RSD), rotation direction and speed detection of step motor
• Timer3/Timer4: Timers supporting PWM output, and measurement of duty cycle and period of input PWM wave. Timer4 supports FG generation and Timer3 supports up to 40MHz input
• Systick Timer
• RTC
• Communication interface:
• 1*SPI
• 1*I²C
• 1*UART, supporting single-wire mode
• 1*LIN, integrating LIN transceiver to implement single-wire mode, fixed baud rate mode, automatic baud rate mode and auto-addressing mode
• Dual-channel DMA: supporting data transmission via I²C/SPI/UART/LIN
• Analogue peripherals:
• 12-bit ADC: Internal VREF or external VREF selectable as reference voltage
• Number of ADC channels: 11
• Internal VREF, with configurable 3V, 4V, 4.5V or VDD5
• Zero-crossing point (ZCP) detection circuit
• 2-channel analog comparators
• DMA: Single-channel 6-bit
• Drive Type
• Built-in MOSFET, high side + low side = 0.25Ω
• Average drive current: 0.6A
• Phase peak current: 1A
• FOC module supports single/dual/triple-shunt current sampling
• SVPWM and a three-phase inverter are used to drive the two-phase step motor, and dual-shunt current sampling is available
• System clock
• Built-in 20MHz fast RC oscillator
• Built-in 32.8kHz slow RC oscillator
• WDT
• LVD
• Temperature sensor
• Two-wire FICE protocol based in-circuit emulation
• AEC-Q100 (Grade 1)