Home › Forums › Microcontrollers › PIC Microcontroller › increasing number of I/O pins of a PIC16 MCU This topic has 1 reply, 2 voices, and was last updated 8 years, 5 months ago by Ligo George. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts October 1, 2014 at 12:08 pm #8860 PNParticipant Hi, how can i extend number of I/O pins of a PIC Microcontroller? October 3, 2014 at 1:08 pm #9355 Ligo GeorgeKeymaster You may use Microchip’s IO port expanding IC’s MCP23017 or MCP23S17. Following link may help you : Increasing IO Ports PIC Microcontroller You can expand output pins by using D-Latches or Shift Registers Expanding Output Pins PIC Microcontroller Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In