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C8051F380/1/2/3/4/5/6/7/C
1. System Overview
C8051F380/1/2/3/4/5/6/7/C devices are fully integrated mixed-signal System-on-a-Chip MCUs. High-
lighted features are listed below. Refer to Table 1.1 for specific product feature selection.
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High-speed pipelined 8051-compatible microcontroller core (up to 48 MIPS)
In-system, full-speed, non-intrusive debug interface (on-chip)
Universal Serial Bus (USB) Function Controller with eight flexible endpoint pipes, integrated
transceiver, and 1 kB FIFO RAM
Supply Voltage Regulator
True 10-bit 500 ksps differential / single-ended ADC with analog multiplexer
On-chip Voltage Reference and Temperature Sensor
On-chip Voltage Comparators (2)
Precision internal calibrated 48 MHz internal oscillator
Internal low-frequency oscillator for additional power savings
Up to 64 kB of on-chip Flash memory
Up to 4352 Bytes of on-chip RAM (256 + 4 kB)
External Memory Interface (EMIF) available on 48-pin versions.
2 I 2 C/SMBus, 2 UARTs, and Enhanced SPI serial interfaces implemented in hardware
Four general-purpose 16-bit timers
Programmable Counter/Timer Array (PCA) with five capture/compare modules and Watchdog Timer
function
On-chip Power-On Reset, V DD Monitor, and Missing Clock Detector
Up to 40 Port I/O (5 V tolerant)
With on-chip Power-On Reset, V DD monitor, Voltage Regulator, Watchdog Timer, and clock oscillator,
C8051F380/1/2/3/4/5/6/7/C devices are truly stand-alone System-on-a-Chip solutions. The Flash memory
can be reprogrammed in-circuit, providing non-volatile data storage, and also allowing field upgrades of
the 8051 firmware. User software has complete control of all peripherals, and may individually shut down
any or all peripherals for power savings.
The on-chip Silicon Labs 2-Wire (C2) Development Interface allows non-intrusive (uses no on-chip
resources), full speed, in-circuit debugging using the production MCU installed in the final application. This
debug logic supports inspection and modification of memory and registers, setting breakpoints, single
stepping, run and halt commands. All analog and digital peripherals are fully functional while debugging
using C2. The two C2 interface pins can be shared with user functions, allowing in-system debugging with-
out occupying package pins.
Each device is specified for 2.7–5.25 V operation over the industrial temperature range (–40 to +85 °C).
For voltages above 3.6 V, the on-chip Voltage Regulator must be used. A minimum of 3.0 V is required for
USB communication. The Port I/O and RST pins are tolerant of input signals up to 5 V. C8051F380/1/2/3/
4/5/6/7/C devices are available in 48-pin TQFP, 32-pin LQFP, or 32-pin QFN packages. See Table 1.1,
“Product Selection Guide,” on page 17 for feature and package choices.
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Rev. 1.4
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