Описание
20-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology
- Only 35 Instructions to Learn: – All single-cycle instructions except branches
- Operating Speed: – DC – 20 MHz oscillator/clock input – DC – 200 ns instruction cycle
- Interrupt Capability
- 8-Level Deep Hardware Stack
- Direct, Indirect and Relative Addressing modes Special Microcontroller Features:
- Precision Internal Oscillator: – Factory calibrated to ± 1% – Software selectable frequency range of 8 MHz to 32 kHz – Software tunable – Two-Speed Start-up mode – Crystal fail detect for critical applications – Clock mode switching during operation for power savings
- Power-Saving Sleep mode
- Wide Operating Voltage Range (2.0V-5.5V)
- Industrial and Extended Temperature Range
- Power-on Reset (POR)
- Power-up Timer (PWRTE) and Oscillator Start-up Timer (OST)
- Brown-out Reset (BOR) with Software Control Option
- Enhanced Low-Current Watchdog Timer (WDT) with On-Chip Oscillator (Software selectable nominal 268 Seconds with Full Prescaler) with Software Enable
- Multiplexed Master Clear/Input Pin
- Programmable Code Protection
- High Endurance Flash/EEPROM Cell: – 100,000 write Flash endurance – 1,000,000 write EEPROM endurance – Flash/Data EEPROM retention: > 40 years
- Enhanced USART Module: – Supports RS-485, RS-232 and LIN 2.0 – Auto-Baud Detect – Auto-wake-up on Start bit Low-Power Features:
- Standby Current: – 50 nA @ 2.0V, typical
- Operating Current: – 11 µA @ 32 kHz, 2.0V, typical – 220 µA @ 4 MHz, 2.0V, typical
- Watchdog Timer Current: – <1 µA @ 2.0V, typical Peripheral Features:
- 17 I/O Pins and 1 Input-Only Pin: – High current source/sink for direct LED drive – Interrupt-on-Change pin – Individually programmable weak pull-ups – Ultra Low-Power Wake-up (ULPWU)
- Analog Comparator Module with: – Two analog comparators – Programmable on-chip voltage reference (CVREF) module (% of VDD) – Comparator inputs and outputs externally accessible – SR Latch mode – Timer 1 Gate Sync Latch – Fixed 0.6V VREF
- A/D Converter: – 10-bit resolution and 12 channels
- Timer0: 8-bit Timer/Counter with 8-bit Programmable Prescaler
- Enhanced Timer1: – 16-bit timer/counter with prescaler – External Timer1 Gate (count enable) – Option to use OSC1 and OSC2 in LP mode as Timer1 oscillator if INTOSC mode selected
- Timer2: 8-bit Timer/Counter with 8-bit Period Register, Prescaler and Postscaler
- Enhanced Capture, Compare, PWM+ Module: – 16-bit Capture, max resolution 12.5 ns – Compare, max resolution 200 ns – 10-bit PWM with 1, 2 or 4 output channels, programmable “dead time”, max frequency 20 kHz – PWM output steering control
- Synchronous Serial Port (SSP): – SPI mode (Master and Slave)
- I2C™ (Master/Slave modes): – I2C™ address mask
- In-Circuit Serial ProgrammingTM (ICSPTM) via Two Pins
