AN2727 Freescale Semiconductor / Motorola, AN2727 Datasheet - Page 4
AN2727
Manufacturer Part Number
AN2727
Description
Designing Hardware for the HCS12 D-Family
Manufacturer
Freescale Semiconductor / Motorola
Datasheet
1.AN2727.pdf
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Pin States Following Reset in Normal Single Chip Mode
Pin States Following Reset in Normal Single Chip Mode
Typically, I/O pins are configured as inputs following a reset; this is done to avoid conflict with application
signals driving I/O pins.
Some I/O pins are sampled on reset to determine the reset configuration of the device. These control pins
and some GPIO (general purpose input/output) pins have internal pull devices enabled by reset.
The following diagrams show the status of each pin when the device comes out of reset in normal single
chip mode.
Designing Hardware for the HCS12 D-Family, Rev. 0
4
Freescale Semiconductor
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