PIC18F8722T-E/PT
PIC18F8722T-E/PT - 128KB Flash 8-bit MCU 80-TQFP | Microchip
The Microchip Technology PIC18F8722T-E/PT is a high-pin-count, high-memory 8-bit PIC18 microcontroller in the TQFP-80 (12x12 mm) package, featuring 128 KB of Flash program memory, 3,936 bytes of SRAM, and 1,024 bytes of EEPROM, with operation up to 25 MHz (40 MHz oscillator input). The "T" suffix denotes tape-and-reel packaging and the "E" suffix designates the extended industrial temperature grade (-40C to +125C), making this part a direct fit for automotive under-hood and industrial control environments where extended thermal range is mandatory. It runs on the enhanced PIC18 RISC architecture with 16-bit-wide instructions and an 8-bit data path, executes most instructions in a single cycle (TCY = 160 ns at 25 MHz), and exposes 70 general-purpose I/O lines, which is one of the highest GPIO counts in the PIC18 family.
A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash/ROM), volatile data memory (SRAM), one or more timers, communication peripherals, and general-purpose I/O on a single die. The PIC18 family sits in Microchip's 8-bit mid-range category, hierarchically: PIC18F -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. 8-bit MCUs continue to dominate cost-sensitive, deterministic, low-power applications such as motor control, user-interface panels, and LIN-attached body modules; the PIC18 series in particular is known for its C-compiler friendliness, free MPLAB X IDE support, and a large library of free peripheral drivers.
Connectivity is the headline feature: two MSSP modules each support SPI and I2C (Master and Slave), two enhanced USART modules provide LIN-capable asynchronous serial, two CCP and three ECCP modules enable flexible PWM motor-control and power-conversion outputs, a 12-bit ADC with up to 16 channels, and a parallel slave port for external bus expansion. Together these peripherals let the device serve as a connectivity hub for sensor and actuator nodes that previously required multiple smaller MCUs.
Typical applications include industrial control panels, automotive body and HVAC modules, white-goods user interfaces, point-of-sale terminals, instrumentation, and large-display LED/LCD controllers. The wide memory and rich peripheral mix also suit gateway nodes bridging LIN/CAN buses to higher-level controllers.
Designers should budget decoupling capacitance close to every VDD/VSS pair and use Microchip's recommended TQFP-80 land pattern with thermal vias under the exposed pad. In-system programming via ICSP requires the standard PGD/PGC pair plus MCLR pull-up; the on-chip LDO supports a 4.2 V to 5.5 V supply range.
This page synthesizes distributor pricing, drop-in alternative MPNs (PIC18F8722-I/PT, PIC18F8622-I/PT, PIC18F8720-E/PT, PIC18F85K22-I/PT and more), design notes, and comparison data not found in any single manufacturer datasheet - accelerating part selection, BOM risk assessment, and PCB layout decisions.
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