C8051F37x Small Form Factor Microcontrollers

The C8051F37x family is the next generation of Silicon Labs’ best-selling C8051F33x mixed-signal MCUs. These MCUs range in flash size from 4-16 kB and are footprint and code compatible with the field-proven C8051F33x devices while offering faster speed/performance, more RAM, extra features and an extended temperature range.

With on-chip Power-On Reset, VDD monitor, Watchdog Timer, and clock oscillator, the C8051F37x/39x 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.

Features

  • 50 MIPS throughput (peak)
  • 1 kB of RAM (256 internal bytes and 768 XRAM bytes)
  • 512 byte EEPROM (F37x only)
  • Up to 16 kB flash
  • Up to 21 GPIOs
  • 10-bit, 500 ksps ADC
  • 2 x 10-bit current mode DAC
  • Calibrated internal 49 MHz oscillator
  • Internal 80 kHz oscillator
  • Two SMBus/I²C
  • Enhanced SPI, Enhanced UART
  • Six timers
  • Three programmable counter array channels
  • Analog comparator
  • -40 to 85 °C temperature range (F37x only)
  • Lead-free / RoHS compliant

Getting Started with C8051F37x

C8051F370DK Development Kit

The easiest way to begin development with the C8051F37x AEC-Q100 qualified, low-cost microcontroller family is with the C8051F370 development kit.

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C8051F37x Product Matrix

Common Specifications

MCU Core: 8051

RAM (kB): 1

USB: No

Cap Sense: No

Temp Sensor: Yes

Timers (16-bit): 6

PCA Channels: 3

Comparators: 2

UART: 1

SPI: 1

I²C: 2

EMIF: 0

Devices
Part Number Data Sheet Dev Kit 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
C8051F370-A-DK 8051 50 16 1 21 No 10-bit, 16-ch., 500 ksps No Yes 6 3 10-bit, 2-ch. 2 1 1 2 0 0 0 0 0 No No 1.8 3.6 QFN24 4x4 ±2 Yes C2
C8051F370-A-DK 8051 50 16 1 21 No No No 6 3 2 1 1 2 0 0 0 0 0 No No 1.8 3.6 QFN24 4x4 ±2 No C2
C8051F370-A-DK 8051 50 8 1 21 No 10-bit, 16-ch., 500 ksps No Yes 6 3 10-bit, 2-ch. 1 1 1 2 0 0 0 0 0 No No 1.8 3.6 QFN24 4x4 ±2 Yes C2
C8051F370-A-DK 8051 50 8 1 21 No No No 6 3 1 1 1 2 0 0 0 0 0 No No 1.8 3.6 QFN24 4x4 ±2 No C2
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