User Manual
394
Rev. 1.1
2019-03-18
TLE984xQX
Microcontroller with LIN and Power Switches for Automotive Applications
GPIO Ports and Peripheral I/O
15.3.5
Alternate Input Functions
The number of alternate functions that uses a pin for input is not limited. Each port control logic of an I/O pin
provides several input paths:
• Digital input value via register
• Direct digital input value
15.3.6
Alternate Output Functions
Port x Alternate Select Register
Alternate functions are selected via an output multiplexer which can select up to four output lines. This
multiplexer can be controlled by the following signals:
• Register Px_ALTSEL0
• Register Px_ALTSEL1
Selection of alternate functions is defined in registers Px_ALTSEL0 and Px_ALTSEL1.
Px_ALTSELn (n=0-1)
Offset
Reset Value
Port x Alternate Select Register
xx
H
see
Field
Bits
Type
Description
RES
31:8
r
Reserved
Always read as 0
P7
7
rwh
See
P6
6
rwh
See
P5
5
rwh
See
P4
4
rwh
See
P3
3
rwh
See
P2
2
rwh
See
P1
1
rwh
See
P0
0
rwh
See
31
16
r
RES
15
8
r
RES
77
rwh
P7
66
rwh
P6
55
rwh
P5
44
rwh
P4
33
rwh
P3
22
rwh
P2
11
rwh
P1
00
rwh
P0