Port Group Configuration Registers; Overview - NEC V850E/Dx3 Preliminary User's Manual

Chapter 2
Register name
Port mode register
Port mode control register
Port function control register
Port LCD control register
On-chip debug mode register
Port register
Port pin read register
Port drive strength control register
Port input characteristic control register
Port input level control register
Port open drain control register
Peripheral function select register
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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:
Table 2-2 Registers for port group configuration
n = 0 to 14
Preliminary User's Manual U17566EE1V2UM00
Shortcut Function
PMn Pin function configuration
PMCn
PFCn
PLCDCn
OCDM
Pn Pin data input/output
PPRn
PDSCn Configuration of electrical
characteristics
PICCn
PILCn
PODCn
PFSR0, PFSR3 Alternative input selection
Pin Functions