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