Pic32 Not Working with 18.432MHz Crystal

Thread Starter

rmrps

Joined Feb 24, 2012
21
I am using 18.432 MHz Crystal and Pic32MX460F512L Microcontroller with 22pf capacitor, i am having the following configuration settings but the controller not working it's get hanging

#define SYSCLK 147456000L
#define PBCLK (SYSCLK/2)
#define Fsck 50000
#define BRG_VAL ((PBCLK/2/Fsck)-2)

#pragma config FPLLMUL = MUL_16, FPLLIDIV = DIV_2, FPLLODIV = DIV_1, FWDTEN = OFF
#pragma config POSCMOD = HS, FNOSC = PRIPLL, FPBDIV = DIV_8,FSOSCEN = OFF
#pragma config WDTPS = PS1048576

the program get stuck in
SYSTEMConfig(SYSCLK, SYS_CFG_WAIT_STATES | SYS_CFG_PCACHE);

after the above line the controller get hanged

I guess my configuration setting is the issue please guide me to resolve this issue.
 

andrewmm

Joined Feb 25, 2011
1,171
Oscillators are very susceptible to layout and component choices,

Is the resonator resonating , use a scope.

To double check, use a clock source , see if the circuit works with that, if so its your resonator circuit / layout.

Can you send picture of the part of the board that has the PIC and the resonator on please
 
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