mc9s12e256 Freescale Semiconductor, Inc, mc9s12e256 Datasheet - Page 161

• Manufacturer Part Number: mc9s12e256
• Description: Hcs12 Microcontrollers 16-bit Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

3.5
The reset values of all registers are given in the register description in
Register
All ports start up as general-purpose inputs on reset.
3.5.1
All registers including the data registers get set/reset asynchronously.
properties after reset initialization.
Freescale Semiconductor
P
Definition”.
Resets
Reset Initialization
BKGD pin
M[3,1:0]
M[7:4]
Port
AD
Q
A
B
E
K
P
S
U
T
External Bus
“Multiplexed
Chapter 18,
(MEBIV3)”
Direction
Interface
Refer to
Data
Input
Input
Input
Input
Input
Input
Input
Input
Table 3-37. Port Reset State Summary
MC9S12E256 Data Sheet, Rev. 1.08
Pull Mode
Pull Up
Pull Up
Pull Up
Hi-z
Hi-z
Hi-z
Hi-z
Hi-z
Hi-z
Reset States
Refer to
Red. Drive
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Chapter 18, “Multiplexed External Bus
Interface (MEBIV3)”
Chapter 3 Port Integration Module (PIM9E256V1)
Table 3-37
Section 3.3, “Memory Map and
Wired-OR
Disabled
Disabled
Disabled
Mode
N/A
N/A
N/A
N/A
N/A
summarizes the port
Interrupt
Disabled
N/A
N/A
N/A
N/A
N/A
N/A
N/A
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