PIC16F628A-I/SO 3V-5.5V 2KB 20MHz FLASH SMD Microcontroller SOIC-18

Description

PIC16F628A-I/SO 3V-5.5V 2KB 20MHz FLASH SMD Microcontroller SOIC-18 The PIC16F628A-I/SO 3V-5.5V 2KB 20MHz FLASH SMD Microcontroller SOIC-18 is a high-performance 8-bit CMOS microcontroller from Microchip, featuring a 2KB Flash program memory, 224 bytes of RAM, and 128 bytes of EEPROM. It operates within a 3V to 5.5V supply range and supports clock speeds up to 20MHz, providing reliable performance for various embedded applications. Packaged in a compact SOIC-18 (300 mil) surface-mount form, this microcontroller integrates key peripherals such as comparators, timers, a UART module for serial communication, and an internal oscillator. Designed for low power consumption and versatility, the PIC16F628A-I/SO is ideal for use in control systems, automation, and consumer electronic devices. Features 8-bit CMOS microcontroller with enhanced RISC architecture. 2KB Flash program memory, 224 bytes RAM, and 128 bytes EEPROM data memory. Operating voltage range: 3.0V to 5.5V. Up to 20MHz operating frequency. 16 I/O pins with individual direction control. Two comparators and one capture/compare/PWM (CCP) module. One 8-bit and one 16-bit timer. USART (Universal Synchronous/Asynchronous Receiver/Transmitter) module for serial communication. Internal and external oscillator options. Low power consumption with Sleep mode. Watchdog Timer (WDT) and Power-on Reset (POR) for reliable operation. In-Circuit Serial Programming (ICSP) support for easy development and debugging. Available in SOIC-18 (300 mil) surface-mount package. Pinout Configuration Pin Number Pin Name Description 1 RA2/AN2/VREF Bidirectional I/O pin of port A bit 2 or Analog comparator input channel 2 or Analog Voltage Reference output 2 RA3/AN3/CMP1 Bidirectional I/O port or Analog comparator input or Comparator 1 output. 3 RA4/T0CKI/CMP2 Bidirectional I/O pin of port A bit 4 or timer 0 clock input or comparator channel 2 output. 4 RA5/MCLR/VPP Input port or Master clear or Programming voltage input. When configured as MCLR, this pin is an active-low Reset to the device, mainly used for Programming or Port A bit 5 Pin. 5 VSS Power Ground pin. 6 RB0/INT Bidirectional I/O pin of port B bit 0 or External interrupt pin. 7 RB1/RX/DT Bidirectional I/O pin of port B bit 1 or USART Recieve pin or synchronous data I/O. 8 RB2/TX/CK Bidirectional I/O pin of port B bit 2 or USART Transmit pin or synchronous clock I/O. 9 RB3/CCP1 Bidirectional I/O pin of port B bit 3 or Capture compare PWM I/O. 10 RB4/PGM Bidirectional I/O pin of port B bit 4 or Low voltage Programming pin. 11 RB5 Bidirectional I/O pin of port B bit 5. 12 RB6/T1OSC/T1CKI/PGC Bidirectional I/O pin of port B bit 6 or Timer1 Oscillator output or Timer1 Clock input or ICSP Programming clock mainly used for Programming purposes. 13 RB7/T1OSI/PGD Bidirectional I/O pin of port B bit 7 or Timer1 Oscillator input or ICSP Programming data mainly used for Programming purposes. 14 VDD Positive Power Pin. 15 RA6/OSC2/CLKOUT Bidirectional I/O pin of port A bit 6 or Oscillator crystal output or Clock out in RC/INTOSC 16 RA7/OSC1/CLKIN Bidirectional I/O pin of port A bit 7 or Oscillator crystal input or External Clock input 17 RA0/AN0 Bidirectional I/O pin of port A bit 0 or Analog comparator input channel 0. 18 RA1/AN1 Bidirectional I/O pin of port A bit 1 or Analog comparator input channel 1 Specifications Product Attribute Attribute Value Product Category: 8-bit Microcontrollers – MCU Core: PIC16 Program Memory Size: 2KB Data RAM Size: 224 B Package/Case: SOIC-18 Maximum Clock Frequency: 20 MHz ADC Resolution: No ADC Number of I/Os: 16 I/O Supply Voltage – Min: 3 V Supply Voltage – Max: 5.5 V Mounting Style: SMD/SMT Data Bus Width: 8 bit Minimum Operating Temperature: – 40 C Maximum Operating Temperature: + 85 C Data ROM Size: 128 B Data ROM Type: Flash Interface Type: SCI, USART Moisture Sensitive: Yes Number of Timers/Counters: 3 Timer Processor Series: PIC16 Program Memory Type: Flash Subcategory: Microcontrollers – MCU Applications Embedded control systems and automation projects. Home and industrial appliance control. Security and access control systems. Sensor interfacing and data acquisition. LED and display drivers. Motor control and power management systems. Communication and networking devices. Educational and prototyping platforms. Consumer electronics and handheld devices. Timing, measurement, and signal processing applications. Package Contents 1 x PIC16F628A-I/SO 3V-5.5V 2KB 20MHz FLASH SMD Microcontroller SOIC-18 Datasheet PIC16F628A-I/SO

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