Описание
PIC18LF2680 devices offers the advantages of all PIC18 microcontrollers – namely, high computational performance at an economical price. In addition to these features, the PIC18F2585/2680/4585/4680 family introduces design enhancements that make these microcontrollers a logical choice for many high-performance, power-sensitive applications. The primary differentiating features and specifications of the High-Temperature PIC18F2585/2680/4585/4680 family devices are: Above 125°C, writes are not allowed for Flash program memory All AC timing specifications are increased by 30% This de-rating factor includes parameters, such as TPWRT Maximum HS frequency of operation is 20 MH
- High-Temperature Features:
- Ambient Temperature Range of -40°C to 150°C ECAN Module Features:
- Message Bit Rates, up to 1 Mbps
- Conforms to CAN 2.0B ACTIVE Specification
- Fully Backward Compatible with PIC18XXX8 CAN modules
- Three Modes of Operation:
- Legacy, Enhanced Legacy, FIFO
- Three Dedicated Transmit Buffers with Prioritization
- Two Dedicated Receive Buffers
- Six Programmable Receive/Transmit Buffers
- Three Full 29-Bit Acceptance Masks
- 16 Full 29-Bit Acceptance Filters w/ Dynamic Association
- DeviceNet™ Data Byte Filter Support
- Automatic Remote Frame Handling
- Advanced Error Management Features
- Power-Managed Modes:
- Run: CPU on, Peripherals on
- Idle: CPU off, Peripherals on
- Sleep: CPU off, Peripherals off
- Two-Speed Oscillator Start-up Flexible Oscillator Structure:
- Four Crystal modes, up to 40 MHz
- 4x Phase Lock Loop (PLL) – Available for Crystal and Internal Oscillators
- Two External RC modes, up to 4 MHz
- Two External Clock modes, up to 40 MHz
- Internal Oscillator Block:
- 8 user-selectable frequencies, from 31 kHz to 8 MHz
- Provides a complete range of clock speeds, from 31 kHz to 32 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 peripheral clock stops Special Microcontroller Features:
- C Compiler Optimized Architecture with Optional Extended Instruction Set
- Priority Levels for Interrupts
- 8 x 8 Single-Cycle Hardware Multiplier
- Extended Watchdog Timer (WDT):
- Programmable period from 41 ms to 131s
- Single-Supply 5V In-Circuit Serial Programming™ (ICSP™) via Two Pins
- In-Circuit Debug (ICD) via Two Pins
- Peripheral Highlights:
- High-Current Sink/Source 25 mA/25 mA
- Three External Interrupts
- One Capture/Compare/PWM (CCP1) module
- Enhanced Capture/Compare/PWM (ECCP1) module (40/44-pin devices only):
- 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
- Enhanced Addressable USART module:
- Supports RS-485, RS-232 and LIN/J2602 support
- RS-232 operation using internal oscillator block (no external crystal required)
- Auto-wake-up on Start bit
- Auto-Baud Detect (ABD)
- 10-bit, up to 11-Channel Analog-to-Digital Converter module (A/D), up to 100 ksps
- Auto-acquisition capability
- Conversion available during Sleep
- Dual Analog Comparators with Input Multiplexing
