Copy Microcontroller 8051 IC Silicon Laboratories C8051F340


We can unlock microcontroller 8051 IC Silicon Laboratories C8051F340, please view below the chip features for your reference:


Analog Peripherals

HIgh Speed 8051 µC Core 10-Bit ADC (C8051F340/1/2/3/4/5/6/7/A/B only)

Pipelined instruction architecture; executes 70% of Up to 200 ksps

Built-in analog multiplexer with single-ended and differential mode

VREF from external pin, internal reference, or VDD

Instructions in 1 or 2 system clocks 48 MIPS and 25 MIPS versions available.

Expanded interrupt handler

·   Built-in temperature sensor

·   External conversion start input option

Two comparators Internal voltage reference



4352 or 2304 Bytes RAM

64 or 32 kB Flash; In-system programmable in 512-byte


(C8051F340/1/2/3/4/5/6/7/A/B only)

Brown-out detector and POR Circuitry

USB Function Controller

USB specification 2.0 compliant

Full speed (12 Mbps) or low speed (1.5 Mbps) operation sectors

Digital Peripherals

40/25 Port I/O; All 5 V tolerant with high sink current

Hardware enhanced SPI™, SMBus™, and one or two enhanced UART serial ports


Integrated clock recovery; no external crystal required for full speed or low speed

Supports eight flexible endpoints

1 kB USB buffer memory

Four general purpose 16-bit counter/timers

16-bit programmable counter array (PCA) with five capture/compare modules

External Memory Interface (EMIF)

Integrated transceiver; no external resistors required


Clock Sources

On-Chip Debug

Internal Oscillator: ±0.25% accuracy with clock recovery

On-chip debug circuitry facilitates full speed, non-intruenabled. Supports all USB and UART modes

sive in-system debug (No emulator required) Provides breakpoints, single stepping, inspect/modify memory and registers

External Oscillator: Crystal, RC, C, or clock (1 or 2 Pin modes)

Low Frequency (80 kHz) Internal Oscillator Superior performance to emulation systems using ICE-chips, target pods, and sockets

Voltage Supply Input: 2.7 to 5.25 V

Voltages from 3.6 to 5.25 V supported using On-Chip Voltage Regulator

Can switch between clock sources on-the-fly


48-pin TQFP (C8051F340/1/4/5/8/C)

32-pin LQFP (C8051F342/3/6/7/9/A/B/D)

5×5 mm 32-pin QFN (C8051F342/3/6/7/9/A/B)

Temperature Range: –40 to +85 °C

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