
MC9S12DT256 Device User Guide — V03.07
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5.3 Effects of Reset
When a reset occurs, MCU registers and control bits are changed to known start-up states. Refer to the
respective module Block User Guides for register reset states.
5.3.1 I/O pins
Refer to the HCS12 Core User Guides for mode dependent pin configuration of port A, B, E and K out of
reset.
Refer to the PIM Block User Guide for reset configurations of all peripheral module ports.
NOTE:
For devices assembled in 80-pin QFP packages all non-bonded out pins should be
configured as outputs after reset in order to avoid current drawn from floating
inputs. Refer to
for affected pins.
5.3.2 Memory
Refer to
for locations of the memories depending on the operating mode after reset.
The RAM array is not automatically initialized out of reset.
Summary of Contents for MC9S12A256
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