C8051F70x/71x Mixed Signal ISP Flash MCU Family Capacitance to Digital Converter High-Speed 8051 C Core - Supports buttons, sliders, wheels, capacitive prox- - Pipelined instruction architecture executes 70% of imity, and touch screen sensing instructions in 1 or 2 system clocks - Up to 38 input channels - Up to 25 MIPS throughput with 25 MHz clock - Fast 40 s per channel conversion time - Expanded interrupt handler - 12, 13, 14, or 16-bit output Memory - 512 bytes internal data RAM (256 + 256) - Auto-scan and wake-on-touch - Up to 16 kB Flash In-system programmable in 512- - Auto-accumulate 4, 8, 16, 32, or 64 samples byte Sectors 10-Bit Analog to Digital Converter - Up to 32-byte data EEPROM - Up to 500 ksps Digital Peripherals - Up to 16 external single-ended inputs - Up to 54 Port I/O with high sink current - VREF from on-chip VREF, external pin or V DD 2 - Hardware enhanced UART, SMBus (I C compati- - Internal or external start of conversion source ble), and enhanced SPI serial ports - Built-in temperature sensor - Four general purpose 16-bit counter/timers Analog Comparator - 16-Bit programmable counter array (PCA) with 3 - Programmable hysteresis and response time capture/compare modules and enhanced PWM - Configurable as interrupt or reset source functionality On-Chip Debug - Real time clock mode using timer and crystal - On-chip debug circuitry facilitates full speed, non- Clock Sources intrusive in-system debug (no emulator required) - 24.5 MHz 2% Oscillator Supports crystal-less - Provides breakpoints, single stepping, UART operation inspect/modify memory and registers - External oscillator: Crystal, RC, C, or clock - Superior performance to emulation systems using (1 or 2 pin modes) ICE-chips, target pods, and sockets - Can switch between clock sources on-the-fly useful - Low cost, complete development kit in power saving modes Supply Voltage 1.8 to 3.6 V 64-Pin TQFP, 48-Pin TQFP, 48-Pin QFN, - Built-in voltage supply monitor 32-Pin QFN, 24-Pin QFN Temperature Range: 40 to +85 C ANALOG DIGITAL I/O PERIPHERALS Port 0 UART SMBus Port 1 A 10-bit TEMP SPI M Port 2 500 ksps SENSOR U PCA Port 3 ADC X Timer 0 Port 4 + Timer 1 Port 5 Capacitive Timer 2 Sense Port 6.0 VOLTAGE Timer 3 COMPARATOR 6.5 24.5 MHz PRECISION INTERNAL OSCILLATOR HIGH-SPEED CONTROLLER CORE 16 kB 8051 CPU 512 B RAM ISP FLASH (25 MIPS) 32 B EEPROM FLEXIBLE DEBUG POR WDT INTERRUPTS CIRCUITRY Rev. 1.0 7/10 Copyright 2010 by Silicon Laboratories C8051F70x/71x Not Recommended for New Designs CROSSBAR Ext. Memory I/FC8051F70x/71x 2 Rev. 1.0 Not Recommended for New Designs