Freescale Semiconductor ColdFire MCF52210 - Manual (Page 196)

General Purpose I/O Module
MCF52211 ColdFire® Integrated Microcontroller Reference Manual, Rev. 2
13-2 Freescale Semiconductor
13.2 Overview
The MCF52211 ports module controls the configuration for the following external pins:
• External bus accesses
• Chip selects
• Debug data
• Processor status
• USB
• I
2
C serial control
• QSPI
• UART transmit/receive
• 32-bit DMA timers
13.3 Features
The MCF52211 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
13.4 Signal Descriptions
Refer to Chapter 2, “Signal Descriptions ,” for more detailed information on the different signals and pins.
13.5 Memory Map/Register Definition
13.5.1 Ports Memory Map
Table 13-1 summarizes all the registers in the MCF52211 ports address space.