●Analog Peripherals
●\- 10-Bit ADC (C8051F340/1/2/3/4/5/6/7/A/B only)
●• Up to 200 ksps
●• Built-in analog multiplexer with single-ended and differential mode
●• VREF from external pin, internal reference, or VDD
●• Built-in temperature sensor
●• External conversion start input option
●\- Two comparators
●\- Internal voltage reference (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
●\- Integrated clock recovery; no external crystal required for
●full speed or low speed
●\- Supports eight flexible endpoints
●\- 1 kB USB buffer memory
●\- Integrated transceiver; no external resistors required
●On-Chip Debug
●\- On-chip debug circuitry facilitates full speed, non-intru
●sive 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
●Voltage Supply Input: 2.7 to 5.25 V
●\- Voltages from 3.6 to 5.25 V supported using On-Chip
●Voltage Regulator
●HIgh Speed 8051 µC Core
●\- Pipelined instruction architecture; executes 70% of
●Instructions in 1 or 2 system clocks
●\- 48 MIPS and 25 MIPS versions available.
●\- Expanded interrupt handler
●Memory
●\- 4352 or 2304 Bytes RAM
●\- 64 or 32 kB Flash; In-system programmable in 512-byt
●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
●\- Four general purpose 16-bit counter/timers
●\- 16-bit programmable counter array (PCA) with five cap
●ture/compare modules
●\- External Memory Interface (EMIF)
●Clock Sources
●\- Internal Oscillator: ±0.25% accuracy with clock recover
●enabled. Supports all USB and UART modes
●\- External Oscillator: Crystal, RC, C, or clock (1 or 2 Pin
●modes)
●\- Low Frequency (80 kHz) Internal Oscillator
●\- Can switch between clock sources on-the-fly
●Packages
●\- 48-pin TQFP (C8051F340/1/4/5/8/C)
●\- 32-pin LQFP (C8051F342/3/6/7/9/A/B/D)
●\- 5x5 mm 32-pin QFN (C8051F342/3/6/7/9/A/B)
●Temperature Range: –40 to +85 °C
