Analog Peripherals
10-Bit ADC (C8051F310/1/2/3/6 only)

• Up to 200 ksps
• Up to 21, 17, or 13 external single-ended or differential
• inputs
• VREF from external pin or VDD
• Built-in temperature sensor
• External conversion start input

Comparators

• Programmable hysteresis and response time
• Configurable as interrupt or reset source (Comparator0)
• Low current (< 0.5 μA)

On-Chip Debug

• On-chip debug circuitry facilitates full speed, non-intrusive in-system debug (no emulator required)
• Provides breakpoints, single stepping, inspect/modify memory and registers
• Superior performance to emulation systems using ICE-Chips, target pods, and sockets
• Complete development kit

Supply Voltage 2.7 to 3.6 V

• Typical operating current:5 mA at 25 MHz; 11 μA at 32 kHz
• Typical stop mode current:0.1 μA
• Temperature range: –40 to +85 °C

High Speed 8051 μC Core

• Pipelined instruction architecture; executes 70% of instructions in 1 or 2 system clocks
• Up to 25 MIPS throughput with 25 MHz clock
• Expanded interrupt handler

Memory

• 1280 bytes internal data RAM (1024 + 256)
• 16 kB (C8051F310/1/6/7) or 8 kB (C8051F312/3/4/5) Flash; In-system programmable in 512-byte sectors

Digital Peripherals

• 29/25/21 Port I/O; All 5 V tolerant with high sink current
• Hardware enhanced UART, SMBus™, and SPI™ serial ports
• Four general purpose 16-bit counter/timers
• 16-bit programmable counter array (PCA) with five capture/compare modules
• Real time clock capability using PCA or timer and external clock source

Clock Sources

• Internal oscillator: 24.5 MHz with ±2% accuracy supports crystal-less UART operation
• External oscillator: Crystal, RC, C, or clock (1 or 2 pin modes)
• Can switch between clock sources on-the-fly; useful in power saving modes

Packages

• 32-pin LQFP (C8051F310/2/4)
• 28-pin QFN (C8051F311/3/5)
• 24-pin QFN (C8051F316/7)