XE8000EV108 Semtech, XE8000EV108 Datasheet - Page 78

• Manufacturer Part Number: XE8000EV108
• Description: EVAL BOARD FOR XE8806/XE8807
• Manufacturer: Semtech
• Type: MCUr

Specifications of XE8000EV108

• Contents: Fully Assembled Evaluation Board
• For Use With/related Products: XE88LC06AMI026
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

13.1 Features
•
•
•
•
13.2 Overview
Port D (PD) is a general purpose 8 bit input/output digital port.
Figure 13-1 shows its structure.
13.3 Register map
There are four registers in the Port D (PD), namely RegPDIn, RegPDOut, RegPDDir and RegPDPullup. Table
13-2 to Table 13-5 show the mapping of control bits and functionality of these registers.
© Semtech 2006
input / output port, 8 bits wide
each bit can be set individually for input or output
pull-ups are available in input mode
snap-to-rail option in input mode
VBat
Vss
logic
Figure 13-1 : structure of PortD
Table 13-1: PD registers
register name
RegPDIn
RegPDOut
RegPDDir
RegPDPullup
13-2
4
4
8
8
8
RegPDPullup[7:4]
RegPDPullup[3:0]
XE8806A/XE8807A
RegPDOut
RegPDDir
RegPDIn
www.semtech.com