FT61F0Ax is an enhanced, reduced instruction set, A/D type 8-bit microcontroller with selectable instruction cycles of 1T/2T/4T. It features a wide operating voltage range of 1.9V to 5.5V. This series of chips includes a multi-channel 12-bit ADC, and also has multiple flexible timer modules that provide timing functions, pulse generation functions, and PWM generation functions. Built-in USART, I2C, and SPI communication interfaces provide users with multiple options; users can select different communication interfaces according to application needs. It also includes a built-in watchdog timer with a selectable watchdog clock for flexible user control. This series of chips is available in four packages: TSSOP20, MSOP10, SOP16, and QFN20.

Product Introduction:

The FT61F0Ax is an enhanced, reduced instruction set, A/D type 8-bit microcontroller with selectable instruction cycles of 1T/2T/4T. It features a wide operating voltage range of 1.9V to 5.5V. This series of chips includes a multi-channel 12-bit ADC, along with multiple flexible timer modules providing timing, pulse generation, and PWM generation capabilities. Built-in USART, I2C, and SPI communication interfaces offer users multiple options, allowing them to select the appropriate interface based on application needs. A built-in watchdog timer is also included, with a selectable watchdog clock for flexible use. This series of chips is available in four packages: TSSOP20, MSOP10, SOP16, and QFN20.

Application Areas:

Sensor devices, lighting control, home appliances, toys, etc.

CPU Characteristics:

• Operating Voltage: 1.9V~5.5V
• RISC architecture, only 49 instructions to learn
• Selectable instruction cycles: 1T/2T/4T
  • Minimum instruction cycle of 125ns, 16MHz@2T (VDD≥1.9V)
• Storage Architecture
  • Program Memory: 10k x 14bits
  • Data RAM: 1k x 8bits
  • Data EEPROM: 128 x 8bits
• 16-level hardware stack
• Low-power SLEEP mode

Peripheral Characteristics:

• Clock Source
  • 16M high-speed, high-precision HIRC
  • 32K low-speed, low-power LIRC
  • Crystal oscillator and external clock input
  • Crystal clock missing detection
• Up to 18 bidirectional IOs
  • 18 programmable current pins
  • 18 wake-up pins, supporting edge or level detection
• 1 x 12-bit ADC
  • 6 external channels + 1 x 1/4VDD channel
  • Internal reference voltage: VDD, 0.5V, 2V, 3V
  • External reference voltage: VREFP, VREFN
  • Manual and automatic trigger modes
  • Supports delayed triggering
• Timers
  • 1 x 16-bit Timer1, can use external crystal clock source
  • 1 x 16-bit Timer2, can use external crystal clock source
  • 1 x 8-bit Timer4
• 1 x USART
• 1 x I2C
• 1 x SPI
• 16-bit watchdog with 7-bit prescaler, selectable clock source
• Power-on reset delay counter
• Low-voltage reset LVR: 2.0V/2.2V/2.5V/2.8V/3.1V/3.6V/4.1V
• Low-voltage detection LVD: 2.0V/2.4V/2.8V/3.0V/3.6V/4.0V, or detect external input, can be used as a comparator
• Supports ISP and online debugging OCD
• Operating temperature range: -40℃~85℃