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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