Random-Access Memory (RAM)
Technical Data MC68HC908AB32 — Rev. 1.0
58 Random-Access Memory (RAM) MOTOROLA
During a subroutine call, the CPU uses two bytes of the stack to store
the return address. The stack pointer decrements during pushes and
increments during pulls.
NOTE:
Be careful when using nested subroutines. The CPU may overwrite
data in the RAM during a subroutine or during the interrupt stacking
operation.
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