C8051F92x-93x Ultra Low-Power MCUs

The C8051F92x/3x low-power microcontroller (MCU) family is the industry's first MCU family capable of full spec operation down to 0.9 V and up to 3.6 V, enabling single-cell battery operation as well as dramatically increasing battery life for dual-cell applications. With an integrated dc-dc converter, the C8051F92x/3x has been designed to provide a fast wake-up time, low active mode and ultra-low sleep mode current consumption.

The F9xx series has the industry’s lowest active mode current consumption, which saves power when the application is running. It also has the industry’s lowest current consumption in sleep modes, which is often the most common mode in many battery-powered applications. Also, since the MCU cannot do any useful processing until all of the digital and analog circuitry all fully settled and operational, the F9xx series offers the industry’s fastest wake-up and analog settling time.

Sleep current as low as
50nA
Min Vdd
0.9 V

C8051F92x-93x Common Specs

  • One-cell mode supports 0.9 to 1.8 V operation
  • Dual-cell mode supports 1.8 to 3.6 V operation
  • Integrated high-efficiency dc-dc boost converter
  • Integrated low drop out (LDO) voltage regulator
  • Multiple internal oscillators
  • Ultra-low current sleep mode and fast wake
  • 25 MHz, single-cycle 8051 compatible CPU with low active-mode current
  • Burst mode 10-bit ADC with internal fast start-up VREF
  • Up to 23 capacitive touch sense inputs
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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 Other
8051 25 32 4.25 24 10-bit, 23-ch., 300 ksps 4 6 2 1 2 1 0 0 1 0 0 0.9 3.6 QFN32 5x5 ±2 C2 170 µA/MHz active 50 nA sleep
8051 25 32 4.25 24 10-bit, 23-ch., 300 ksps 4 6 2 1 2 1 0 0 1 0 0 0.9 3.6 QFP32 7x7 ±2 C2 170 µA/MHz active 50 nA sleep
8051 25 32 4.25 16 10-bit, 15-ch., 300 ksps 4 6 2 1 2 1 0 0 1 0 0 0.9 3.6 QFN24 4x4 ±2 C2 170 µA/MHz active 50 nA sleep
8051 25 64 4.25 24 10-bit, 23-ch., 300 ksps 4 6 2 1 2 1 0 0 1 0 0 0.9 3.6 QFN32 5x5 ±2 C2 170 µA/MHz active 50 nA sleep
8051 25 64 4.25 24 10-bit, 23-ch., 300 ksps 4 6 2 1 2 1 0 0 1 0 0 0.9 3.6 QFP32 7x7 ±2 C2 170 µA/MHz active 50 nA sleep
8051 25 64 4.25 16 10-bit, 15-ch., 300 ksps 4 6 2 1 2 1 0 0 1 0 0 0.9 3.6 QFN24 4x4 ±2 C2 170 µA/MHz active 50 nA sleep

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