C8051F90x-91x Ultra Low-Power MCUs

The C8051F90x/1x is the industry’s lowest power MCU, consuming as little as 160 µA/MHz in active mode and 10 nA in sleep mode with full memory retention. The C8051F90x/1x expands the award-winning C8051F92x/3x low power MCU product portfolio by offering lower memory devices with further power reduction and a higher resolution ADC. The C8051F90x/1x low power MCU family is fully software and hardware compatible with the C8051F92x/3x family and operates from 0.9 – 3.6 V to enable single cell battery designs.

The C8051F9xx ultra low-power microcontroller product family has been designed from the ground up to be the most power-efficient MCUs in the industry. The end result is a solution that has been optimized to be the industry’s best across all metrics necessary to be truly considered “low power”: active mode, sleep mode and wake-up time.

Features

  • Industry’s lowest active and sleep currents
  • 160 µA/MHz active mode
  • 10 nA sleep with BOD disabled
  • 50 nA sleep with BOD enabled
  • 300 nA sleep with internal RTC
  • 600 nA sleep with external crystal
  • LDO voltage regulator
  • 2 µS wake-up time
  • 1.5 µS analog settling time
  • 25 MHz, single-cycle 8051 compatible CPU
  • 12-bit ADC
  • Up to 16 kB Flash, 512 bytes SRAM
  • 768 bytes of SRAM
  • 0.9 – 3.6 V operation

Getting Started with C8051F90x-91x

C8051F912DK Development Kit

The easiest way to begin development with the C8051F90x-91x AEC-Q100 qualified, low-cost microcontroller family is with the C8051F912DK development kit.

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C8051F90x/91x Product Matrix

Common Specifications

MCU Core: 8051

MHz: 25

RAM (kB): 0.75

Dig I/O Pins: 16

USB: No

Cap Sense: No

Temp Sensor: Yes

Timers (16-bit): 4

PCA Channels: 6

Comparators: 2

UART: 1

SPI: 2

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 Other
C8051F912DK 8051 25 8 0.75 16 Yes 10-bit, 15-ch., 300 ksps No Yes 4 6 2 1 2 1 0 0 0 0 0 No No 0.9 3.6 QFN24 4x4 ±2 Yes C2 160 µA/MHz active 50 nA sleep;
C8051F912DK 8051 25 8 0.75 16 Yes 10-bit, 15-ch., 300 ksps No Yes 4 6 2 1 2 1 0 0 0 0 0 No No 0.9 3.6 QSOP24 8.65x3.90 ±2 Yes C2 160 µA/MHz active 50 nA sleep;
C8051F912DK 8051 25 8 0.75 16 Yes 12-bit, 15-ch., 75 ksps No Yes 4 6 2 1 2 1 0 0 0 0 0 No No 0.9 3.6 QFN24 4x4 ±2 Yes C2 160 µA/MHz active 50 nA sleep;
C8051F912DK 8051 25 8 0.75 16 Yes 12-bit, 15-ch., 75 ksps No Yes 4 6 2 1 2 1 0 0 0 0 0 No No 0.9 3.6 QSOP24 8.65x3.90 ±2 Yes C2 160 µA/MHz active 50 nA sleep;
C8051F912DK 8051 25 16 0.75 16 Yes 10-bit, 15-ch., 300 ksps No Yes 4 6 2 1 2 1 0 0 0 0 0 No No 0.9 3.6 QFN24 4x4 ±2 Yes C2 160 µA/MHz active 50 nA sleep;
C8051F912DK 8051 25 16 0.75 16 Yes 10-bit, 15-ch., 300 ksps No Yes 4 6 2 1 2 1 0 0 0 0 0 No No 0.9 3.6 QSOP24 8.65x3.90 ±2 Yes C2 160 µA/MHz active 50 nA sleep;
C8051F912DK 8051 25 16 0.75 16 Yes 12-bit, 15-ch., 75 ksps No Yes 4 6 2 1 2 1 0 0 0 0 0 No No 0.9 3.6 QFN24 4x4 ±2 Yes C2 160 µA/MHz active 50 nA sleep;
C8051F912DK 8051 25 16 0.75 16 Yes 12-bit, 15-ch., 75 ksps No Yes 4 6 2 1 2 1 0 0 0 0 0 No No 0.9 3.6 QSOP24 8.65x3.90 ±2 Yes C2 160 µA/MHz active 50 nA sleep;
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