28.2.72 __builtin_write_OSCCONH

Description

Unlocks and writes its argument to OSCCONH.

Interrupts may need to be disabled for proper operation.

This builtin function can be used as a part of a complex sequence discussed in your device data sheet or Family Reference Manual (FRM). See these documents for more information.

Prototype

void __builtin_write_OSCCONH(unsigned char value);

Argument

value – character to be written

Return Value

None

Assembler Operator/ Machine Instruction*

mov   #0x78, w0
mov   #0x9A, w1
mov   __OSCCON+1, w2
mov.b w0, [w2]
mov.b w1, [w2]
mov.b value, [w2]

Error Messages

None

* The exact sequence may be different.