C8051F305-GM
数据手册.pdfMCU 8Bit 8051 CISC 2KB Flash 3.3V 11Pin QFN EP Tube
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
