C8051F85x Small Form Factor MCUs

The C8051F85x is a highly integrated AEC-Q100 qualified microcontroller (MCU) product family without any compromise on features or performance.

The C8051F85x/6x devices feature a highly-efficient enhanced 8051 pipelined architecture with 2 to 8 kB flash, 256/512 byte RAM, a 12-bit multi-channel analog to digital converter (ADC), a precise internal voltage reference, two analog comparators with programmable hysteresis and response time, an extended temperature range (up to 125 °C) and a host of communication peripherals (SMBus/I2C, SPI, UART). In addition, this product family supports three independently configurable enhanced resolution PWM channels and also has built-in hardware kill/safe state capability for overcurrent protection and fault detection.

Core Frequency
25 MHz
ADC resolution
12-bit

C8051F85x Common Specs

  • 25 MIPS 8051 core
  • 2 to 8 kB flash
  • 512/256 Byte RAM options
  • 12-bit 200 ksps, multi-channel ADC
  • Integrated 24.5 MHz (±2% accuracy) oscillator
  • Integrated 80 kHz low frequency oscillator
  • Up to 18 GPIO's, 5 V tolerant
  • 2 analog comparators
  • Precision voltage reference
  • 3 PWM channels
  • SMBus/I²C, UART and SPI
  • 4 16-bit timers Independent watchdog timer
  • Power-on reset
  • Brown-out reset
  • On-chip debug
  • 2.2 to 3.6 V input supply
  • -40 to 85 °C and -40 to 125 °C operating range
  • AEC-Q100 qualified
  • Packages:
    • SOIC16
    • QFN20 (3 mm x 3 mm)
    • QSOP24
Status
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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 8 0.5 16 4 3 2 1 1 1 0 0 0 0 0 2.2 3.6 QFN20 3x3 ±2 C2
8051 25 8 0.5 18 4 3 2 1 1 1 0 0 0 0 0 2.2 3.6 QSOP24 8.65x3.9 ±2 C2
8051 25 4 0.5 16 4 3 2 1 1 1 0 0 0 0 0 2.2 3.6 QFN20 3x3 ±2 C2
8051 25 4 0.5 18 4 3 2 1 1 1 0 0 0 0 0 2.2 3.6 QSOP24 8.65x3.9 ±2 C2
8051 25 2 0.25 16 4 3 2 1 1 1 0 0 0 0 0 2.2 3.6 QFN20 3x3 ±2 C2
8051 25 2 0.25 18 4 3 2 1 1 1 0 0 0 0 0 2.2 3.6 QSOP24 8.65x3.9 ±2 C2
8051 25 8 0.5 16 4 3 2 1 1 1 0 0 0 0 0 2.2 3.6 QFN20 3x3 ±2 C2
8051 25 8 0.5 18 4 3 2 1 1 1 0 0 0 0 0 2.2 3.6 QSOP24 8.65x3.9 ±2 C2
8051 25 4 0.5 16 4 3 2 1 1 1 0 0 0 0 0 2.2 3.6 QFN20 3x3 ±2 C2
8051 25 4 0.5 18 4 3 2 1 1 1 0 0 0 0 0 2.2 3.6 QSOP24 8.65x3.9 ±2 C2
8051 25 2 0.25 16 4 3 2 1 1 1 0 0 0 0 0 2.2 3.6 QFN20 3x3 ±2 C2
8051 25 2 0.25 18 4 3 2 1 1 1 0 0 0 0 0 2.2 3.6 QSOP24 8.65x3.9 ±2 C2

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