C8051F348芯片解密

6 次 时间：2009-08-26 / 03:25:07 来源：法曼儿

C8051F348  USB, 25 MIPS, 32 kB Flash, 48-Pin Mixed-Signal MCU

C8051F348  Analog Peripherals
Two Comparators
POR/Brown-out Detector
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 either full-speed or low-speed operation
-Supports eight flexible endpoints
-Dedicated 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, registers, and USB memory
-Superior performance to emulation systems using ICE-chips, target pods, and sockets
Temperature Range: –40 to +85 °C
Development Kit: C8051F340DK
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
-2304 bytes data RAM (256 + 2 kB)
-32 kB Flash; in-system programmable in 512-byte sectors
-External parallel data memory interface
Digital Peripherals
-40 port I/O; all are 5 V tolerant
-Hardware SMBus™ (I2C™ compatible), SPI™, and 2 UART serial ports available concurrently
-4 general-purpose 16-bit counter/timers
-Programmable 16-bit counter array with 5 capture/compare modules
Clock Sources
-Internal oscillator: 0.25% accuracy with clock recovery enabled;
supports all USB and UART modes
-External oscillator: Crystal, RC, C, or Clock
-On-chip clock multiplier: up to 48 MHz
Voltage Regulator
-On-chip voltage regulator supports USB bus-powered operation
-Regulator bypass mode supports USB self-powered operation
Operating Voltage: 2.7 to 5.25 V
Ordering Part Number
-C8051F348-GQ, 48-Pin TQFP, 9x9 mm2

详细介绍请参考：
C8051F348技术手册：C8051F348.PDF

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