C8051F531A

C8051F531A 25 MIPS, 8 kB Flash, 12-Bit ADC, 20-Pin Automotive MCU Analog Peripherals 12-Bit ADC, 5 V input signal; up to 16 external inputs High-Speed 8051 µC Core - - ±1 LSB INL; guaranteed monotonic Programmable throughput up to 200 ksps Data-dependent windowed interrupt generator Programmable gain maximizes input signal span Pipelined instruction architecture; executes 70% of instructions in one or two system clocks Up to 25 MIPS throughput 8 kB Flash; in-system programmable; flexible security features 256 bytes data RAM Up to 16 digital I/O; all are 5 V push-pull SPI™ and UART serial ports available concurrently Programmable 16-bit counter array with three capture/compare modules Three general-purpose 16-bit counter/timers Internal programmable 0.5% oscillator: Up to 25 MHz External oscillator: Crystal, RC, C, or CMOS Clock C8051F531A-IT, 20-Pin TSSOP (RoHS-compliant), 6 x 6 mm2 C8051F531A-IM, 20-Pin QFN (RoHS-compliant), 4 x 4 mm2 Memory Built-in Temperature Sensor (±3 °C) Programmable Comparator Precision Internal Voltage Reference VDD Monitor/Brown-out Detector On-Chip Debug Digital Peripherals - On-chip debug circuitry facilitates full speed, non-intrusive in-system debug (no emulator required) Provides breakpoints, single stepping, watch-points Inspect/modify memory, registers, and stack Superior performance to emulation systems using ICE-chips, target pods, and sockets Clock Sources Ordering Part Numbers Temperature Range: –40 to +125 °C Operating Voltage: 1.8 to 5.25 V - Multiple power saving sleep and shutdown modes Development Kit: C8051F530ADK Power On Reset Reset CIP-51 8051 Controller Core (25 MHz) 8 kB Flash Program Memory 256 Byte SRAM Port I/O Configuration VREGIN Digital Peripherals UART0 Timers 0, 1, 2 3 Channel PCA/WDT C2CK/RST Debug / Programming Hardware C2D Priority Crossbar Decoder Port 0 Drivers P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0.6/C2D P0.7/XTAL1 P1.0/XTAL2 P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 P1.7 VREGIN VDD GND Voltage Regulator (LDO) SPI SFR Bus Crossbar Control Port 1 Drivers Analog Peripherals Voltage Reference VDD VREF VDD VREF Temp Sensor GND CP0, CP0A + - System Clock Setup XTAL1 XTAL2 External Oscillator Internal Oscillator (±0.5%) VREF 12-bit 200ksps ADC A M U X Comparator Automotive Copyright © 2008 by Silicon Laboratories 11.20.2008