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Features

Key features of the F1680 Series MCU include:

? 20 MHz eZ8 CPU core

? 8 KB, 16 KB, or 24 KB Flash memory with in-circuit programming capability

? 1 KB or 2 KB Register RAM

? 1 KB Program RAM for program code shadowing and data storage (optional)

? 128 B or 256 B Non-Volatile Data Storage (NVDS)

? Up to 8-Channel, 10-bit Analog-to-Digital Converter (ADC)

? On-chip Temperature Sensor

? Up to two on-chip analog comparators (20-pin and 28-pin packages contain only one)

? On-chip Low-Power Operational Amplifier (LPO)

? Two full-duplex 9-bit UART ports with the support of Local Interconnect

Network (LIN) protocol (20-pin and 28-pin packages contain only one)

? Infrared Data Association (IrDA)-compliant infrared encoders/decoders, integrated

with UARTs

? Enhanced Serial Peripheral Interface (SPI) controller (except 20-pin packages)

? I

2

C controller which supports Master/Slave modes

? Three enhanced 16-bit Timers with Capture, Compare and PWM capability

? Additional two basic 16-bit timers with interrupt (shared as UART Baud Rate Generator)

Optional 16-bit Multi-Channel Timer which supports four Capture/Compare/PWM

modules (44-pin packages only)

? Watchdog Timer (WDT) with dedicated internal RC oscillator

? 17 to 37 General-Purpose Input/Output (GPIO) pins depending upon package

? Up to 8 direct LED drives with programmable drive current capability

? Up to 31 interrupt sources with up to 24 interrupt vectors

? On-Chip Debugger (OCD)

? Power-On Reset (POR) and Voltage Brown-Out (VBO) protection

? Built-in Low-Voltage Detection (LVD) with programmable voltage threshold

? 32 kHz secondary oscillator for Timers

? Internal Precision Oscillator (IPO) with output frequency in the range of 43.2 kHz to

11.0592 MHz

? Crystal oscillator with three power settings and external RC network option

? Wide operation voltage range: 1.8 V–3.6 V

? 20-, 28-, 40- and 44-pin packages

? 0° C to +70° C (standard) and –40° C to +105° C (extended) operating temperature

ranges