C8051F52x/F53x 8/4/2 kB ISP Flash MCU Family Analog Peripherals Memory - 12-Bit ADC - 8/4/2 kB Flash In-system byte programmable in Programmable throughput up to 200 ksps 512 byte sectors Up to 6/16 external inputs - 256 bytes internal data RAM Data dependent windowed interrupt generator Digital Peripherals Built-in temperature sensor - 16/6 port I/O push-pull or open-drain, 5 V tolerant - Comparator - Hardware SPI, and UART serial port Programmable hysteresis and response time - LIN 2.1 Controller (Master and Slave capable) no Configurable as wake-up or reset source Low current crystal required - POR/Brownout Detector - Three general purpose 16-bit counter/timers - Voltage Reference1.5 and 2.2 V - Programmable 16-bit counter/timer array with three (programmable) capture/compare modules, WDT On-Chip Debug Clock Sources - On-chip debug circuitry facilitates full-speed, non- - Internal oscillators: 24.5 MHz 0.5% accuracy sup- intrusive in-system debug (No emulator required) ports UART and LIN-Master operation - Provides breakpoints, single stepping - External oscillator: Crystal, RC, C, or Clock - Inspect/modify memory and registers (1 or 2 pin modes) - Complete development kit - Can switch between clock sources on-the-fly Supply Voltage 2.0 to 5.25 V Packages - Built-in LDO regulator - 10-Pin DFN (3 x 3 mm) High-Speed 8051 C Core - 20-pin QFN (4 x 4 mm) - 20-pin TSSOP - Pipelined instruction architecture executes 70% of Automotive Qualified instructions in 1 or 2 system clocks - Temperature Range: 40 to +125 C - Up to 25 MIPS throughput with - Compliant to AEC-Q100 25 MHz system clock - Expanded interrupt handler ANALOG DIGITAL I/O PERIPHERALS Port 0 UART A SPI 12-bit + M PCA 200 ksps Port 1 U Timer 0 - ADC X Timer 1 VOLTAGE Timer 2 LIN COMPARATOR TEMP SENSOR VREF VREG 24.5 MHz High Precision (0.5%) Internal Oscillator HIGH-SPEED CONTROLLER CORE 8/4/2 kB 8051 CPU 256 B SRAM ISP FLASH (25 MIPS) FLEXIBLE DEBUG POR WDT INTERRUPTS CIRCUITRY Rev. 1.4 4/12 Copyright 2012 by Silicon Laboratories C8051F52x/F53x CROSSBARC8051F52x/F52xA/F53x/F53xA 2 Rev. 1.4