PIC18LF8621T-I/PT
八十〇分之六十四引脚高性能， 64 KB的增强型闪存微控制器与A / D 64/80-Pin High-Performance, 64-Kbyte Enhanced Flash Microcontrollers with A/D
DEVICE OVERVIEW
This document contains device specific information for the following devices:
• PIC18F6525
• PIC18F6621
• PIC18F8525
• PIC18F8621
This family offers the advantages of all PIC18 microcontrollers – namely, high computational performance at an economical price – with the addition of high-endurance Enhanced Flash program memory. The PIC18F6525/6621/8525/8621 family also provides an enhanced range of program memory options and versatile analog features that make it ideal for complex, high performance applications.
High Performance RISC CPU:
• Linear program memory addressing to 64 Kbytes
• Linear data memory addressing to 4 Kbytes
• 1 Kbyte of data EEPROM
• Up to 10 MIPs operation:
- DC – 40 MHz osc./clock input
- 4 MHz – 10 MHz osc./clock input with PLL active
• 16-bit wide instructions, 8-bit wide data path
• Priority levels for interrupts
• 31-level, software accessible hardware stack
• 8 x 8 Single-cycle Hardware Multiplier
Peripheral Features:
• High current sink/source 25 mA/25 mA
• Four external interrupt pins
• Timer0 module: 8-bit/16-bit timer/counter
• Timer1 module: 16-bit timer/counter
• Timer2 module: 8-bit timer/counter
• Timer3 module: 16-bit timer/counter
• Timer4 module: 8-bit timer/counter
• Secondary oscillator clock option – Timer1/Timer3
• Two Capture/Compare/PWM CCP modules:
- Capture is 16-bit, max. resolution 6.25 ns TCY/16
- Compare is 16-bit, max. resolution 100 ns TCY
- PWM output: 1 to 10-bit PWM resolution
• Three Enhanced Capture/Compare/PWM ECCP modules:
- Same Capture/Compare features as CCP
- One, two or four PWM outputs
- Selectable polarity
- Programmable dead time
- Auto-Shutdown on external event
- Auto-Restart
• Master Synchronous Serial Port MSSP module with two modes of operation:
- 2/3/4-wire SPI supports all 4 SPI modes
- I2C™ Master and Slave mode
• Two Enhanced USART modules:
- Supports RS-485, RS-232 and LIN 1.2
- Auto-Wake-up on Start bit
- Auto-Baud Rate Detect
• Parallel Slave Port PSP module
External Memory Interface
PIC18F8525/8621 Devices Only:
• Address capability of up to 2 Mbytes
• 16-bit interface
Analog Features:
• 10-bit, up to 16-channel Analog-to-Digital Converter A/D:
- Auto-Acquisition
- Conversion available during Sleep
• Programmable 16-level Low-Voltage Detection LVD module:
- Supports interrupt on Low-Voltage Detection
• Programmable Brown-out Reset BOR
• Dual analog comparators:
- Programmable input/output configuration
Special Microcontroller Features:
• 100,000 erase/write cycle Enhanced Flash program memory typical
• 1,000,000 erase/write cycle Data EEPROM memory typical
• 1 second programming time
• Flash/Data EEPROM Retention: > 100 years
• Self-reprogrammable under software control
• Power-on Reset POR, Power-up Timer PWRT and Oscillator Start-up Timer OST
• Watchdog Timer WDT with its own On-Chip RC Oscillator for reliable operation
• Programmable code protection
• Power-saving Sleep mode
• Selectable oscillator options including:
- 4x Phase Lock Loop PLL – of primary oscillator
- Secondary Oscillator 32 kHz clock input
• In-Circuit Serial Programming™ ICSP™ via two pins
• MPLAB® In-Circuit Debug ICD 2 via two pins
CMOS Technology:
• Low power, high-speed Flash technology
• Fully static design
• Wide operating voltage range 2.0V to 5.5V
• Industrial and Extended temperature ranges
