MC68HC08AZ60A Datasheet, PDF (56/480 Pages) Motorola, Inc – Microcontrollers

RAM
NOTE: For M68HC05, M6805, and M146805 compatibility, the H register is not
stacked.
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 could overwrite
data in the RAM during a subroutine or during the interrupt stacking
operation.
Advance Information
56
RAM
MC68HC08AZ60A — Rev 0.0
MOTOROLA