40
Chapter 2
Pin Functions
Preliminary User’s Manual U17566EE1V2UM00
2.2 Port Group Configuration Registers
This section starts with an overview of all configuration registers and then
presents all registers in detail. The configuration registers are classified in the
following groups:
•
“Pin function configuration“ on page 41
•
“Pin data input/output“ on page 46
•
“Configuration of electrical characteristics“ on page 48
•
“Alternative input selection“ on page 50
2.2.1
Overview
For the configuration of the individual pins of the port groups, the following
registers are used:
n = 0 to 14
Table 2-2
Registers for port group configuration
Register name
Shortcut
Function
Port mode register
PMn
Pin function configuration
Port mode control register
PMCn
Port function control register
PFCn
Port LCD control register
PLCDCn
On-chip debug mode register
OCDM
Port register
Pn
Pin data input/output
Port pin read register
PPRn
Port drive strength control register
PDSCn
Configuration of electrical
characteristics
Port input characteristic control register
PICCn
Port input level control register
PILCn
Port open drain control register
PODCn
Peripheral function select register
PFSR0, PFSR3
Alternative input selection
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