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. The chip includes a multi-channel 12-bit ADC, along with multiple flexible timer modules providing timing, pulse generation, and PWM generation capabilities. This series of chips incorporates an operational amplifier whose output can be used as input for the ADC, simplifying user application. In terms of communication interfaces, the chip includes 2 USARTs, 1 I2C, and 1 SPI interface, offering users multiple options to select from based on application needs. It also includes a built-in watchdog timer with selectable clock for flexible use. 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. The chip includes a multi-channel 12-bit ADC, along with multiple flexible timer modules providing timing, pulse generation, and PWM generation capabilities. This series of chips incorporates an operational amplifier whose output can serve as input for the ADC, simplifying user application. In terms of communication interfaces, the chip includes 2 USARTs, 1 I2C, and 1 SPI interface, offering users multiple options to select based on application needs. It also includes a built-in watchdog timer with selectable clock for flexible use. This series of chips is available in TSSOP20, MSOP10, SOP16, and QFN20 packages.

Application Areas:

Environmental monitoring, lighting control, home applications, 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 I/O
  • 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 + op-amp output
  • 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
• Operational amplifier, supports offset calibration
• 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℃