The FT61F02X is an 8-bit A/D type microcontroller from FMD, with a selectable instruction cycle of 2T/4T. It is specifically designed for products requiring A/D conversion, such as sensor signal input. This microcontroller features a wide operating voltage range of 2.0V to 5.5V, multi-channel A/D conversion, high-endurance EEPROM, built-in 16MHz high-speed RC oscillator, built-in 32KHz low-speed RC oscillator, brown-out detection, support for In-System Programming (ISP) and on-line debugging, and is available in SOP8, SOP14, and SOP18 package options.

Product Introduction:

FT61F02X is an A/D type 8-bit series microcontroller from Fremont Microelectronics, with selectable instruction cycles of 2T/4T. It is specifically designed for products requiring A/D conversion, such as sensor signal input. This microcontroller features a wide operating voltage range of 2.0V to 5.5V, multi-channel A/D conversion, high-endurance EEPROM, built-in 16MHz high-speed RC oscillator, built-in 32KHz low-speed RC oscillator, undervoltage detection, supports In-System Programming (ISP) and On-Chip Debugging (OCD), and offers SOP8, SOP14, and SOP18 package options.

Application Areas:

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

CPU Features:

• 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 is 125ns (VDD>2.7V)
• Memory Architecture
  • Program Memory: 2K x 14bits
  • Data RAM: 128 x 8bits
  • Data EEPROM: 256 x 8bits
• 8-level hardware stack
• Low-power mode SLEEP

Peripheral Features:

• Clock Sources
  • 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 IOs
  • 14 IOs with independent pull-up control
  • 4 IOs with independent pull-down control
  • Port change interrupt, PA0~PA7
• Timers
  • 1 x 8-bit basic Timer0
  • 1 x 16-bit Timer1, supports capture and compare functions
  • 1 x 8-bit Timer2, supports complementary PWM with dead band
  • 3x12-bit Timer3/4/5, 3x12-bit PWM, supports BUZZER mode
• 16-bit watchdog with 7-bit prescaler
• 10-bit ADC, supports 8 channels (7 external channels + 1 internal 1/4VDD channel)
  • Reference voltage selectable: external Vref, VDD, internal 2V/3V
• Power-on reset delay counter
• 2 general comparators
• Low Voltage Reset LVR: 2.0V/2.2V/2.5V/2.8V/3.1V/3.6V/4.1V
• Low Voltage Detect LVD: 2.0V/2.4V/2.8V/3.0V/3.6V/4.0V
• Supports ISP and On-Chip Debugging (OCD)
• Operating Temperature Range: -40℃~85℃
• Program space protection