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
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