28/40/44-Pin Flash MCU with 10-Bit A/D and nanoWatt Technology
Power-Managed Modes:
- Run: CPU on, peripherals on
- Idle: CPU off, peripherals on
- Sleep: CPU off, peripherals off
- Idle mode currents down to 1.0 μA, typical
- Sleep mode current down to 0.1 μA, typical
- Timer1 Oscillator: 1.0 μA, 32 kHz, 1.8V, typical
- Watchdog Timer: 2.0 μA, 1.8V, typical
- Two-Speed Oscillator Start-up
Peripheral Highlights:
- High-current sink/source 25 mA/25 mA
- Three programmable external interrupts
- Four independent input-change interrupts
- 8 independent weak pull-ups
- Programmable slew rate
- Capture/Compare/PWM (CCP) module
- Enhanced Capture/Compare/PWM (ECCP) module:
- One, two or four PWM outputs
- Selectable polarity
- Programmable dead time
- Auto-Shutdown and Auto-Restart
- Master Synchronous Serial Port (MSSP) module supporting 3-wire SPI (all 4 modes) and I2C™
Master and Slave modes with address mask
- Enhanced Addressable USART module:
- Supports RS-485, RS-232 and LIN 2.0
- RS-232 operation using internal oscillator block (no external crystal required)
- Auto-Wake-up on Break
- Auto-Baud Detect
- 10-bit, up to 14-channel Analog-to-Digital
Converter module (ADC):
- Auto-acquisition capability
- Conversion available during Sleep
- Internal 1.2V Fixed Voltage Reference (FVR)
channel
- Independent input multiplexing
- Dual analog comparators
- Rail-to-rail operation
- Independent input multiplexing
- Programmable On-Chip Voltage Reference (CVREF) module (% of VDD) Flexible Oscillator Structure:
- Four Crystal modes, up to 64 MHz
- 4X Phase Lock Loop (available for crystal and
internal oscillators)
- Two External RC modes, up to 4 MHz
- Two External Clock modes, up to 64 MHz
- Internal oscillator block:
- 8 user selectable frequencies, from 31 kHz to 16 MHz
- Provides a complete range of clock speeds from 31 kHz to 64 MHz when used with PLL
- User tunable to compensate for frequency drift
- Secondary oscillator using Timer1 @ 32 kHz
- Fail-Safe Clock Monitor:
- Allows for safe shutdown if primary or secondary oscillator stops
Special Microcontroller Features:
- C compiler optimized architecture:
- Optional extended instruction set designed to
optimize re-entrant code
- Self-programmable under software control
- Priority levels for interrupts
- 8 x 8 Single-Cycle Hardware Multiplier
- Extended Watchdog Timer (WDT):
- Programmable period from 4 ms to 131s
- Single-supply 3V In-Circuit Serial
Programming™ (ICSP™) via two pins
- In-Circuit Debug (ICD) via two pins
- Operating voltage range: 1.8V to 3.6V
- Programmable 16-level High/Low-Voltage
Detection (HLVD) module:
- Supports interrupt on High/Low-Voltage
Detection
- Programmable Brown-out Reset (BOR)
- With software enable option