Supported Operating Systems: 8051
Supported 8-bit Architectures: 8-bit, 8051

The C8051F9xx MCU family is 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 increased battery life for dual-cell applications. With an integrated dc-dc converter, the C8051F9xx has been designed to provide a fast wake-up time, low active-mode, and ultra-low sleep mode current consumptions.

Best-in-Class Tools
Silicon Labs delivers industry-leading tools to help speed design and accelerate market entry. The complete, low-cost professional development kits include everything required to immediately begin system design including IDE, target board, cables, and power supply. An inexpensive ToolStick Daughter Card and Base Adapter also provide a full development environment. www.silabs.com/toolstick

FEATURES & BENEFITS

• One-cell mode 0.9–1.8 V, two-cell mode 1.8–3.6 V. Built-in dc-dc converter with 1.8 –3.3 V output can supply external devices. Retains state and RAM contents over full supply range; fast wakeup.
• 10-Bit ADC with up to 300 ksps, up to 15 external inputs, external pin or internal VREF (no external capacitor required), built-in temp sensor. Two Comparators, low current. Up to 15 Capacitive Touch Sense inputs
• High-Speed 8051 25MHz Single Cycle Core
• Pipe-lined instruction architecture; executes 70% of instructions in 1 or 2 system clocks
• 25 MIPS peak throughput with 25 MHz clock
• Expanded interrupt handler
• Digital Peripherals
• 16 port I/O; All 5 V tolerant with programmable drive strength
• Hardware enhanced UART, SPI and SMBus™ serial ports available concurrently

• Low power 32-bit smaRTClock (0.5 uA) operates down to 0.9V

• 64 kB bytes Flash; In-system programmable in 1024-byte sectors; Full read/write/erase functionality over the entiresupply range

TECHNICAL SPECS

• Precision internal oscillators: 24.5 MHz with ±2% accuracy supports UART operation; spread-spectrum mode for reduced EMI
• Ultra-Small Package
• 24-pin QFN (4×4 mm)
• Temperature Range: –40 to +85°C
• On-chip debug circuitry facilitates full speed, nonintrusive in-system debug (no emulator required)

AVAILABILITY

Available Now in QFN35, QFN24, LQFP32 packages

APPLICATION AREAS

Portable Personal Medical Products, Remote Controls, Portable Audio, Consumer Electronics, Wireless Sensors and Security, Wireless Meter Reading, Industrial Monitoring and Control

Contact Information

Silicon Labs

400 W. Cesar Chavez
Austin , TX, 78701
USA

toll-free: 877.444.3032
mcuinfo@silabs.com
www.silabs.com/mcu