C8051F31x Small Form Factor Microcontrollers

The C8051F31x small microcontroller (MCU) devices are available in 24-pin, 28-pin, and 32-pin packages and include 16 kB flash with 10-bit ADC. A pin-for-pin compatible One-time Programmable (OTP) EEPROM version is also available (C8051T61x).

With on-chip Power-On Reset, VDD monitor, Watchdog Timer, and a clock oscillator, the C8051F31x devices are truly stand-alone System-on-a-Chip solutions. The Flash memory can be reprogrammed even in-circuit, providing non-volatile data storage, and also allowing field upgrades of the 8051 firmware. User software has complete control of all peripherals, and may individually shut down any or all peripherals for power savings.

Packages as small as
4x4 mm
GPIO pins
29

C8051F31x Common Specs

  • 25 MIPS 8051 CPU
  • 16 kB Flash (F310/11/16/17 only)
  • 8 kB Flash (F312/13/14/15 only)
  • 1280 B RAM
  • 10-bit, 200 ksps, 25-ch. ADC (F310/11/12/13/16)
  • 29/25/21 digital I/O, 5 V tolerant
  • 2.7 to 3.6 V supply
  • –40 to +85 °C operating temperature
Status
Find the Right C805131x Device Select Columns
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Part Number MCU Core MHz Flash (kB) RAM (kB) Dig I/O Pins 5 Volt Tolerant ADC 1 USB Temp Sensor Timers (16-bit) PCA Channels ADC 2 DAC Comparators UART SPI I2C HS I2C Slave I2S EMIF CAN LIN AES AEC-Q100 Vdd (min) Vdd (max) Package Type Package Size (mm) Internal Osc. VREF Debug Interface
8051 25 16 1.25 29 10-bit, 21-ch., 200 ksps 4 5 2 1 1 1 0 0 0 0 0 2.7 3.6 QFP32 7x7 ±2 C2
8051 25 16 1.25 25 10-bit, 17-ch., 200 ksps 4 5 2 1 1 1 0 0 0 0 0 2.7 3.6 QFN28 5x5 ±2 C2
8051 25 8 1.25 29 10-bit, 21-ch., 200 ksps 4 5 2 1 1 1 0 0 0 0 0 2.7 3.6 QFP32 7x7 ±2 C2
8051 25 8 1.25 25 10-bit, 17-ch., 200 ksps 4 5 2 1 1 1 0 0 0 0 0 2.7 3.6 QFN28 5x5 ±2 C2
8051 25 8 1.25 29 4 5 2 1 1 1 0 0 0 0 0 2.7 3.6 QFP32 7x7 ±2 C2
8051 25 8 1.25 25 4 5 2 1 1 1 0 0 0 0 0 2.7 3.6 QFN28 5x5 ±2 C2
8051 25 16 1.25 21 10-bit, 13-ch.,200 ksps 4 5 2 1 1 1 0 0 0 0 0 2.7 3.6 QFN24 4x4 ±2 C2
8051 25 16 1.25 21 4 5 2 1 1 1 0 0 0 0 0 2.7 3.6 QFN24 4x4 ±2 C2

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