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Microstick for the PIC24

Microstick for the PIC24. Microchip Microstick. Easy to use, economical development environment for 16-bit PIC Microcontrollers. Socketed connection for PIC24 family microcontrollers USB Powered; no external power required Built-in integrated programmer/debugger No bootloader needed

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Microstick for the PIC24

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  1. Microstick for the PIC24

  2. Microchip Microstick • Easy to use, economical development environment for 16-bit PIC Microcontrollers. • Socketed connection for PIC24 family microcontrollers • USB Powered; no external power required • Built-in integrated programmer/debugger • No bootloader needed • We’ll use the PIC24HJ64GP502 microcontroller with the Microstick • Same family as PIC24HJ32GP202 but more program memory • Same ISA and pinout

  3. Board Configuration Power supplied through USB cable

  4. Programming using MPLAB • Load the code into MPLAB IDE. • Inform MPLAB IDE what device is plugged in to the Microstick Board by selecting the appropriate device from the Configure>Select Device>Device menu. Choose PIC24HJ64GP502. • Build the project by selecting Project>Build All. • Connect the Microstick Board to the development computer via a USB cable. • Enable the MPLAB IDE debugger by selecting Debugger>Select Tool>Starter Kits. • Download your code into a device on the Microstick Board by selecting Debugger>Program. • Run the application previously downloaded by selecting Debugger>Run.

  5. Configuration Bits • Optionally, you can modify the configuration bits to • disable the Watchdog Timer • Select Configure>Configuration Bits to change the timer

  6. Writing LATx is the same as writing PORTx

  7. A Demo Program RB15 .include "p24Hxxxx.inc" .global __reset .text ;Start of Code section __reset: mov #__SP_init, W15 mov #__SPLIM_init,W0 mov W0, SPLIM ; set bit 15 to 0 so RB15 is set to output mov #0x7FFF,W4 mov W4,TRISB mloop: mov #0x8000,W5 mov W5,PORTB ; set bit 15 to 1 call delay mov #0x0000,W5 mov W5,PORTB ; set bit 15 to 0 call delay bra mloop delay: mov #0xFFFF,W6 dloop: dec W6,W6 cp0 W6 bra NZ, dloop return .end

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