Microchip Technology PIC18F86J72/PIC18F87J72高性能MCU

Microchip Technology PIC18F86J72/PIC18F87J72高性能微控制器(MCU)是用於單相、多功能智慧型電表及能源監控用途的8位元設備。PIC18F86J72和PIC18F87J72 MCU配備雙通道、高性能16/24位元類比前端(AFE)，從而使Microchip Technology設備在研製超過IEC等級0.5性能的電表方面成為精准可靠、易於使用且低本高效的解決方案。Microchip Technology MCU產品系列包括64或128 KB閃存程式存儲器和4 KB RAM，具有計時及複費率功能。PIC18F86J72和PIC18F87J72 MCU提供高水平的外圍設備集成，包括LCD驅動器、RTCC及擁有電容觸摸感應使用者介面的充電時間測量單元(CTMU)。

特點

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