Microchip Technology PIC18F86J72/PIC18F87J72高性能MCU

Microchip Technology PIC18F86J72/PIC18F87J72高性能微控制器(MCU)是一款用于单相、多功能智能计量和能源监控应用的8位设备。PIC18F86J72和PIC18F87J72 MCU具有双通道的高性能16位/24位模拟前端(AFE)，使这些Microchip Technology器件可提供精确、可靠、好用且具成本效益的解决方案，可开发性能超越IEC 0.5级的计量仪表。Microchip Technology MCU系列包含了64或128 KB闪存程序存储器和4 KB随机存储器(RAM)，实现了计时电价和复费率功能。PIC18F86J72和PIC18F87J72 MCU提供更高的外围设备集成度，包括一个LCD驱动器、实时时钟/日历(RTCC)和一个支持电容触摸用户界面的充电时间测量单元(CTMU)。

特性

Dual-channel 24-bit Analog Front End (AFE) with Delta-Sigma A/D Converters and high-gain PGAs for 90dB SINAD and -101dBc THD (to 35th harmonic) performance
12-bit, 12-channel, 100ksps SAR A/D Converter
LCD driver for up to 132 pixels with voltage boost regulator
Hardware Real-Time Clock & Calendar
Charge Time Measurement Unit (CTMU) for temperature sensing and capacitive touch
Two Analog Comparators
Two UARTs
One Master Synchronous Serial Port (MSSP) support SPI and I²C
Four Timers
Two Capture/Compare/PWM (CCP)
Internal oscillator support 31kHz to 8MHz and 4x PLL
nanoWatt low power with Run, Idle, and Sleep modes
Operating Voltage Range
- 2.0V to 3.6V for Digital and 12-bit ADC
- 4.5V to 5.5V for 16-/24-bit Analog Front End (AFE)
-40°C to +85°C Operating Temperature Range
12mm x 12mm x 1mm TQFP80 Package

Special MCU features
- Up to 12MIPS performance
- 10,000 Erase/Write Cycle Flash Program Memory, Typical
- Flash Retention 20 Years, Minimum
- Self-Programmable under Software Control
- Word Write Capability for Flash Program Memory for Data EEPROM Emulators
- Priority Levels for Interrupts
- 8 x 8 Single-Cycle Hardware Multiplier
- Extended Watchdog Timer (WDT): Programmable period from 4ms to 131s
- Selectable Open-Drain Configuration for Serial Communication and CCP pins for Driving Outputs up to 5V
- In-Circuit Serial Programming™ (ICSP™) via Two Pins
- In-Circuit Debug via Two Pins
- 5.5V Tolerant Input (digital pins only)
- On-Chip 2.5V Regulator