8-bit Microcontroller

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The C8051F350 is a highly integrated mixed-signal 8-bit MCU featuring a powerful 8051 core with 50 MHz performance. This analog-intensive MCU features a 24-bit, 8-ch., 1 ksps ADC, 8-bit, 2-ch. DAC, 1 comparators and an on-chip temperature sensor. The C8051F350 also offers 8 kB Flash, 0.75 kB RAM along wtih additional communication interfaces and 4 x 16-bit Timers in a 9x9 mm, QFP32. With on-chip POR, VDD monitor, Watchdog timer, a ±2 internal oscillator and high analog integration, the C8051F350 MCU is a truly stand-alone System-on-chip solution making it ideal for applications such as portable medical equipment, weigh scales, test equipment and fiber optic systems among others.

Symmetry Electronics is an authorized Silicon Labs distributor.


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Analog Peripherals
- 24 or 16-Bit ADC
No missing codes
0.0015% nonlinearity
Programmable conversion rates up to 1 ksps
8-Input multiplexer
1x to 128x PGA
Built-in temperature sensor
- Two 8-Bit Current Output DACs
- Comparator
Programmable hysteresis and response time
Configurable as interrupt or reset source
Low current (0.4 A)
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
- Low Cost, Complete Development Kit
Supply Voltage 2.7 to 3.6 V
- Typical operating current: 5.8 mA @ 25 MHz; 11 A @ 32 kHz
- Typical stop mode current: 0.1 A
Temperature Range: 40 to +85 C
High Speed 8051 C Core
- Pipelined Instruction architecture; executes 70% of instructions in 1 or 2 system clocks
- Up to 50 MIPS throughput
- Expanded interrupt handler
- 768 Bytes (256 + 512) On-Chip RAM
- 8 kB Flash; In-system programmable in 512-byte Sectors
Digital Peripherals
- 17 Port I/O; All 5 V tolerant with high sink current
- Enhanced UART, SMBus, and SPI Serial Ports
- Four 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)
- Clock multiplier to achieve 50 MHz internal clock
- Can switch between clock sources on-the-fly
28-Pin QFN or 32-Pin LQFP Package
- 5 x 5 mm PCB footprint with 28-QFN

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8-bit Microcontroller
Part #: C8051F350-TB-K
8-bit Microcontroller