Freescale Semiconductor ColdFire MCF5211, Reference Manual

Page: 178 / 544

General Purpose I/O Module
MCF5213 ColdFire® Integrated Microcontroller Reference Manual, Rev. 3
11-2 Freescale Semiconductor
11.2 Overview
The MCF5213 ports module controls the configuration for the following external pins:
• External bus accesses
• Chip selects
• Debug data
• Processor status
• FlexCAN transmit/receive data
• I
2
C serial control
• QSPI
• UART transmit/receive
• 32-bit DMA timers
11.3 Features
The MCF5213 ports includes these distinctive features:
• Control of primary function use on all ports
• Digital I/O support for all ports; registers for:
— Storing output pin data
— Controlling pin data direction
— Reading current pin state
— Setting and clearing output pin data registers
11.4 Signal Descriptions
Refer to Chapter 2, “Signal Descriptions ,” for more detailed information on the different signals and pins.
11.5 Memory Map/Register Definition
11.5.1 Ports Memory Map
Table 11-1 summarizes all the registers in the MCF5213 ports address space.