The FT61FC2X is an 8-bit single-chip microcomputer from Huameng Microelectronics, featuring A/D conversion and selectable 2T/4T instruction cycles. It is specifically designed for products requiring A/D conversion, such as sensor signal input. Key features include a wide operating voltage range of 2.0V to 5.5V, multi-channel A/D conversion, high-durability EEPROM, a built-in 16MHz high-speed RC oscillator, a built-in 32KHz low-speed RC oscillator, undervoltage detection, support for in-system programming (ISP) and online debugging, and available in SOP8, SOP14, and SOP18 packages.

Product Introduction:

The FT61FC2X is an 8-bit single-chip microcomputer from Huimang Microelectronics, featuring A/D conversion and selectable 2T/4T instruction cycles. It's designed for applications requiring A/D conversion, such as sensor signal input. Key features include a wide operating voltage range (2.0V to 5.5V), multi-channel A/D conversion, high-durability EEPROM, built-in 16MHz high-speed RC oscillator, built-in 32KHz low-speed RC oscillator, undervoltage detection, support for In-System Programming (ISP) and online debugging, and available in SOP8, SOP14, and SOP18 packages.

Application Areas:

Access control systems/alarms, temperature sensing devices, lighting control, instrumentation, small home appliances, etc.

CPU Characteristics:

• Operating Voltage: 2.0V~5.5V
• RISC architecture, only 37 instructions to learn
  • All instructions are single-cycle except for branch jumps
• Selectable instruction cycle: 2T/4T
  • Minimum instruction cycle: 125ns (VDD>2.7V)
• Storage Architecture
  • Program Memory: 2K x 14bits
  • Data RAM: 128 x 8bits
  • Data EEPROM: 256 x 8bits
• 8-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
  • Dual-speed startup mode
• 14 bidirectional I/O
  • 14 I/O with independent pull-up control
  • 4 I/O with independent pull-down control
  • Port change interrupt, PA0~PA7
• Timers
  • 1 x 8bit basic Timer0
  • 1 x 16bit Timer1, supports capture compare function
  • 1 x 8bit Timer2, supports complementary PWM with dead time
  • 3 x 12bit Timer3/4/5, 3 x 12bit PWM, supports BUZZER mode
• 16-bit watchdog with 3-bit prescaler
• 10-bit ADC, supports 8 channels (7 external channels + 1 internal 1/4VDD channel)
  • Selectable reference voltage: external Vref, VDD, internal 2V/3V
• Power-on reset delay counter
• 2 general-purpose comparators
• 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
• Supports ISP and online debugging OCD
• Operating temperature range: -40℃~85℃
• Program space protection