8-bit Microcontroller

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The C8051F580 is a highly integrated automotive and industrial MCU that is auto-grade qualified and tested to AEC-Q100 specification with enhanced temperature operation of up to 125 ºC. The C8051F580 features a powerful 8051 core with 50 MHz performance along with 128 kB Flash, 8 kB RAM. This MCU also offers integrated communication interfaces and a 12-bit, 32-ch., 200 ksps ADC and 3 comparators in a 7x7 mm, QFN48. With enhanced communication peripherals and robust peripheral set, the C8051F580 is ideal for motor control, sensor interface, parking assistance, seat position and adjustment, fluid level monitoring and other automotive/industrial applications.

Symmetry Electronics is an authorized Silicon Labs distributor.


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Analog Peripherals
- 12-Bit ADC
Up to 200 ksps
Up to 32 external single-ended inputs
VREF from on-chip VREF, external pin or VDD
Internal or external start of conversion source
Built-in temperature sensor
- Three Comparators
Programmable hysteresis and response time
Configurable as interrupt or reset source
Low current
On-Chip Debug
- On-chip debug circuitry facilitates full speed, nonintrusive 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 1.8 to 5.25 V
- Typical operating current: 15 mA at 50 MHz; Typical stop mode current: 230 A
High-Speed 8051 C Core
- Pipelined instruction architecture; executes 70% of instructions in 1 or 2 system clocks
- Up to 50 MIPS throughput with 50 MHz clock
- Expanded interrupt handler
Automotive Qualified
- Temperature Range: 40 to +125 C
- 8448 bytes internal data RAM (256 + 8192 XRAM)
- 128 or 96 kB Banked Flash; In-system programmable in 512-byte Sectors
- External 64 kB data memory interface programmable for multiplexed or non-multiplexed mode
Digital Peripherals
- 40, 33, or 25 Port I/O; All 5 V push-pull with high sink current
- CAN 2.0 Controllerno crystal required
- LIN 2.1 Controller (Master and Slave capable); no crystal required
- Two Hardware enhanced UARTs, SMBus, and enhanced SPI serial ports
- Six general purpose 16-bit counter/timers
- Two 16-Bit programmable counter array (PCA) peripherals with six capture/compare modules each and enhanced PWM functionality
Clock Sources
- Internal 24 MHz with 0.5% accuracy for CAN and master LIN 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
- 48-Pin QFP/QFN (C8051F580/1/4/5)
- 40-Pin QFN (C8051F588/9-F590/1)
- 32-Pin QFP/QFN (C8051F582/3/6/7)

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8-bit Microcontroller
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8-bit Microcontroller