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xPico® Wi-Fi® Embedded Device Server User Guide 43
7: Configurable Pin Manager
The Configurable Pin Manager (CPM) is responsible for the assignment and control of the
configurable pins (CPs) available on the xPico Wi-Fi embedded device server. There are eight
configurable pins on the xPico Wi-Fi unit.
You must configure the CPs by making them part of a role. A CP role may consist of one or more
CPs. This increases flexibility when incorporating the xPico Wi-Fi device into another system.
Note: The blue text in the XML command strings of this chapter are to be replaced with
a user-specified name.
Configurable Pin Status
Each CP is associated with an external hardware pin. The Current Configuration table shows the
sample settings for each CP.
Table 7-1 Current Configurable Pins
Table 7-2 CP Status
CP Ref Usage Assert Mode Value Roles Active in Role
CP1 Pin 35 Input High Push-Pull 0 1 <available>
CP2 Pin 26 Input High Push-Pull 1 1 <available>
CP3 Pin 28 Input High Push-Pull 0 0 <available>
CP4 Pin 30 Input High Push-Pull 1 0 <available>
CP5 Pin 32 Input High Push-Pull 0 0 <available>
CP6 Pin 34 Input High Push-Pull 0 0 <available>
CP7 Pin 27 Input High Push-Pull 0 0 <available>
CP8 Pin 3 Input High Push-Pull 0 -0 <available>
CPM – CPs Status Description
Ref Indicates the pin number on the device which corresponds to this
configurable pin.
Usage Indicates whether this pin is set as Input, Output or Reserved (for a
different use).
Assert Indicates the polarity of the configurable pin as High or Low.
Mode Indicates whether this pin is setup for push-pull or if it enables an
internal weak pullup.
Value Indicates the logical value of the configurable pin.
Roles Indicates the number of configurable pin roles which refer to this pin.