PIC16F753-E/P
PIC16F753-E/P - 8-bit MCU, 3.5KB Flash, Op Amp + Dual Comparators | Microchip
The Microchip PIC16F753-E/P is a 14-pin, 8-bit PIC mid-range flash-based microcontroller with 3.5 KB self-read/write program memory, an integrated operational amplifier, two high-speed analog comparators (50 ns response), one Capture-Compare-PWM (CCP) module, and eight channels of 10-bit Analog-to-Digital Conversion (ADC) with voltage reference. It is housed in a 14-pin PDIP through-hole package (E/P) and supports operation across 2.0 V to 5.5 V, making it suitable for both 3.3 V and 5 V designs including automotive-grade environments in the -40 °C to +125 °C extended temperature range.
An 8-bit microcontroller (MCU) is a small computer-on-a-chip that integrates a CPU core, program memory (Flash/ROM), data memory (RAM), and a range of peripherals such as ADC, timers, comparators, and communication interfaces on a single silicon die. In the broader taxonomy, the PIC16F753 belongs to the PIC16 mid-range family, which sits between baseline PIC10/12/16 devices and enhanced mid-range PIC16F1xxx parts. As a flash-based MCU, it supports in-circuit serial programming (ICSP) and self-write, allowing field firmware updates and simplified prototyping. The mid-range architecture uses a 14-bit instruction word and a 13-bit program counter capable of addressing an 8K x 14 memory space, of which the first 2K x 14 (0000h–07FFh) is physically implemented.
The PIC16F753 differentiates itself from generic 8-bit MCUs by integrating analog building blocks: one op-amp, two 50 ns comparators, an 8-channel 10-bit ADC, a DAC module, and a high-resolution programmable voltage reference. These on-chip analog peripherals allow designers to build complete sensor-conditioning or motor-control signal chains without external components, reducing BOM and PCB area. The CCP module supports PWM generation for lighting, motor, or power-conversion control loops.
The device features an internal 8 MHz oscillator with calibration, eliminating the need for an external crystal in cost-sensitive applications, while still allowing an external clock option for precision timing. Its nanopower technology features such as ultra-low-power sleep, watchdog timer, and brown-out reset provide robust operation in battery-powered or unattended installations. The 14-pin PDIP package supports breadboard-friendly through-hole assembly, making it a popular choice for education, hobby, and industrial prototyping.
Typical applications include LED lighting control, battery management, sensor signal conditioning, simple motor or fan control, and small appliance controllers. For example, the integrated op-amp and comparators make it ideal for thermocouple or photodiode amplification; the CCP and timers support PWM dimming or closed-loop fan control. Designers migrating from older PIC16C711 or PIC16F676 designs can use the PIC16F753 as a drop-in upgrade with substantially more analog integration.
When designing with this MCU, plan I/O pin allocation carefully: with only 14 pins, several functions (ICSP, ADC, op-amp, comparators) share pins via PPS-less multiplexing, so a careful review of the pinout table is essential. Add 100 nF decoupling close to VDD and a 10 µF bulk capacitor at the board supply input for analog noise immunity, especially when using the on-chip ADC or voltage reference.
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