USB Copyright © 2013 by Silicon Laboratories 11.23.2013
C8051F38x
Full-Speed USB and Broad-Based Flash MCU Family
Analog Peripherals
10-Bit ADC (C8051F380/1/2/3/8/9/A/B/C Only)
- Up to 500 ksps
- Built-in analog multiplexer with single-ended and differen ial mode
- VREF from external pin, internal reference, or V
DD
- Built-in temperature sensor
- External conversion start input option
Two Comparators
Internal Voltage Reference (C8051F380/1/2/3/8/9/A/B/C Only)
Brown-Out Detector and POR Circuitry
USB Function Controller (C8051F380/1/2/3/4/5/6/7/C)
- 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-intrusive, in-system
debug (no emulator required)
- Provides breakpoints, single stepping, inspect/modify memory, and reg-
isters
- Superior performance to emulation systems using ICE-chips, target
pods, and sockets
Supply Voltage: 1.8 to 3.6 V
- Voltages from 2.7 to 5.25 V supported using on-chip voltage regulators
Memory
- 4352 or 2304 Bytes RAM
- 64, 32, or 16 kB Flash; In-system programmable in 512-byte sectors
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 48 MIPS operation
- Expanded interrupt handler
Digital Peripherals
- 40/25 Port I/O; All 5 V tolerant with high sink current
- Hardware enhanced SPI™, two I²C/SMBus™, and two enhanced UART
serial ports
- Six general purpose 16-bit counter/timers
- 16-bit programmable counter array (PCA) wi h five capture/compare
modules
- External Memory Interface (EMIF)
- Clock Sources
Clock Sources
- Internal Oscillator: ±0 25% accuracy with clock recovery enabled. Sup-
ports 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
Package
- 48-pin TQFP (C8051F380/2/4/6/8/A)
- 32-pin LQFP (C8051F381/3/5/7/9/B/C)
- 5x5 mm 32-pin QFN (C8051F381/3/5/7/9/B/C)
- Die sales available
Development Kits
- C8051F380DK: full-featured kit for full evaluation
- ToolStick381DC: low-cost kit for quick and easy evaluation
- ToolstickBA: base adapter for use with ToolStick daughter cards
