System Overview
●C8051F300/1/2/3/4/5 devices are fully integrated mixed-signal system-on-a-chip MCUs. Highlighted features are listed below. Refer to Table 1.1 on page 14for specific product feature selection.
●• High-speed pipelined 8051-compatible microcontroller core (up to 25 MIPS)
●• In-system, full-speed, non-intrusive debug interface (on-chip)
●• True 8-bit 500 ksps 11-channel ADC with programmable gain pre-amplifier and analog multiplexer
●(C8051F300/2 only)
●• Precision programmable 25 MHz internal oscillator
●•Up to 8 kB of on-chip Flash memory
●• 256 bytes of on-chip RAM
●•SMBus/I2C and Enhanced UART serial interfaces implemented in hardware
●• Three general-purpose 16-bit timers
●• Programmable counter/timer array (PCA) with three capture/compare modules and watchdog timer
●function
●• On-chip power-on reset, VDDmonitor, and temperature sensor
●• On-chip voltage comparator
●• Byte-wide I/O port (5 V tolerant)
●Analog Peripherals
●\- 8-Bit ADC ("F300/2 only)
● • Up to 500 ksps
● • Up to 8 external inputs
● • Programmable amplifier gains of 4, 2, 1, & 0.5
● • VREF from external pin or VDD
● • Built-in temperature sensor
● • External conversion start input
●\- Comparator
● • Programmable hysteresis and response time
● • Configurable as interrupt or reset source
● • Low current (<0.5 µA)
●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 registers
●\- Superior performance to emulation systems using ICE-chips, target pods, and sockets
●\- Complete development kit
●Supply Voltage 2.7 to 3.6 V
●\- Typical operating current: 6.6 mA @ 25 MHz; 14 µA @ 32 kHz
●\- Typical stop mode current: 0.1 µA
●\- 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 25 MIPS throughput with 25 MHz clock
●\- Expanded interrupt handler
●Memory
●\- 256 bytes internal data RAM
●\- Up to 8 kB (‘F300/1/2/3), 4 kB (‘F304), or 2 kB (‘F305) Flash; 512 bytes are reserved in the 8 kB devices
●Digital Peripherals
●\- 8 Port I/O; All 5 V tolerant with high sink current
●\- Hardware enhanced UART and SMBus™ serial ports
●\- Three general-purpose 16-bit counter/timers
●\- 16-bit programmable counter array (PCA) with three capture/compare modules
●\- Real time clock mode using PCA or timer and external clock source
●Clock Sources
●\- Internal oscillator: 24.5 MHz with ±2% accuracy supports UART operation
●\- External oscillator: Crystal, RC, C, or clock (1 or 2 pin modes)
●\- Can switch between clock sources on-the-fly; Useful in power saving modes
●11-Pin Quad Flat No-Lead (QFN) RoHS Package
●\- 3 x 3 mm PWB footprint
