XE8000EV101 Semtech, XE8000EV101 Datasheet - Page 71
XE8000EV101
Manufacturer Part Number
XE8000EV101
Description
EVAL BOARD FOR XE8801AMI027LF
Manufacturer
Semtech
Type
MCUr
Specifications of XE8000EV101
Contents
Fully Assembled Evaluation Board
For Use With/related Products
XE88LC01AMI027
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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13.1 Features
•
•
13.2 Overview
Port C (PC) is a general purpose 8 bit input/output digital port.
Figure 13-1 shows its structure.
13.3 Port C (PC) Operation
The direction of each bit within Port C (input or output) can be individually set by using the RegPCDir register. If
PCDir[x] = 1, the corresponding Port C pin becomes an output. After reset, Port C is in input mode (PCDir[x] are
reset to 0).
Output mode:
Data is stored in RegPCOut prior to output at Port C.
Input mode:
The status of Port C is available in RegPCIn (read only). Reading is always direct - there is no digital debounce
function associated with Port C. In case of possible noise on input signals, a software debouncer or an external
filter must be realized.
By default after reset, Port C is configured as an input port.
© Semtech 2005
Input / output port, 8 bits wide
Each bit can be set individually for input or output
Figure 13-1 : structure of Port C
Port C
8
8
8
13-2
RegPCOut
RegPCDir
RegPCIn
XE8801A – SX8801R
www.semtech.com
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