Chapter 10
Signal Multiplexing and Signal Descriptions
10.1 Introduction
To optimize functionality in small packages, pins have several functions available via
signal multiplexing. This chapter illustrates which of this device's signals are multiplexed
on which external pin.
The Port Control block controls which signal is present on the external pin. Reference
that chapter to find which register controls the operation of a specific pin.
10.2
Signal Multiplexing Integration
This section summarizes how the module is integrated into the device. For a
comprehensive description of the module itself, see the module’s dedicated chapter.
Register
access
Signal Multiplexing/
Port Control
Transfers
Module
Peripheral
bridge 0
Module
Module
External
Pins
Transfers
Figure 10-1. Signal multiplexing integration
Table 10-1. Reference links to related information
Topic Related module Reference
Full description Port control Port control
System memory map System memory map
Table continues on the next page...
K22F Sub-Family Reference Manual, Rev. 4, 08/2016
NXP Semiconductors 213
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