Power supply of FU6572L, FU6572N and FU6572T:
VCC: 7.0V ~ 20V
VDD5: 3V ~ 5.5V
Dual core: 8051 core and ME core
An instruction cycle mostly takes 1 or 2 system clock cycle(s)
32kB Flash with CRC, self-program and code protection
256 bytes IRAM and 3.75k bytes XRAM
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:
FU6572L: 31
FU6572N: 24
FU6572T: 13
Timers:
Timer1: Timer supporting square-wave drive timing control, automatic commutation, cycle-by-cycle current limiting and Hall/BEMF-based position sensing
Timer2 (FU6572L): 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, and 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 48MHz input.
Systick Timer
RTC
Communication interfaces:
1*SPI (FU6572L, FU6572N)
1*I2C (FU6572L, FU6572N)
2*UARTs (UART1 and UART2), supporting single-wire mode (FU6572L, FU6572N,)
1*UART (UART2), supporting single-wire mode (FU6572T)
Dual-channel DMA: supporting data transmission via I2C/SPI/UART (Communication interface varies according to different chips, see the description before for more details)
Analog peripherals:
12-bit ADC, operating with 1μs conversion time and internal VREF or external VREF selectable as reference voltage
Number of ADC channels:
- FU6572L: 15 (AD0/AD1/AD4 are the internal channels)
- FU6572N: 14 (AD0/AD1/AD4 are the internal channels)
- FU6572T: 10 (AD0/AD1/AD4 are the internal channels)
Internal VREF. For FU6572L, FU6572N, FU6572T, 3V, 4V, 4.5V and VDD5 can be selected as the internal reference.
Internal VHALF, with VREF/2, 1/4 VREF, 1/8 VREF or 25/64 VREF, as the internal reference
Number of standalone operational amplifier(s), where PGA is configurable:
- FU6572L/FU6572N: 4
- FU6572T: 3
3-channel analog comparator
DAC: Single-channel 9-bit, single-channel 6-bit
Driver type:
FU6572L, FU6572N, FU6572T: Built-in MOSFET driver with 6N pre-driver output
FOC module supports single/dual/triple-shunt current sampling (FU6572L, FU6572N,)
FOC module supports single-shunt current sampling (FU6572T)
System clock
Built-in 24MHz fast RC oscillator
Built-in 32.8kHz slow RC oscillator
WDT
LVD
TSD
Two-wire FICE protocol based in-circuit emulation
FU6572L
FU6572N
FU6572T
