ATAVRDISPLAYX Atmel, ATAVRDISPLAYX Datasheet - Page 130
ATAVRDISPLAYX
Manufacturer Part Number
ATAVRDISPLAYX
Description
KIT EVAL XMEGA DISPLAY
Manufacturer
Atmel
Specifications of ATAVRDISPLAYX
Main Purpose
*
Embedded
*
Utilized Ic / Part
*
Primary Attributes
*
Secondary Attributes
*
Silicon Manufacturer
Atmel
Silicon Family Name
ATxmega
Kit Contents
Board
Features
Temperature Sensor, Mono Speaker Via Audio Amplifier
Svhc
No SVHC (15-Dec-2010)
Core Architecture
AVR
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATAVRDISPLAYX
Manufacturer:
Atmel
Quantity:
135
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13.3
8077H–AVR–12/09
Using the I/O Pin
Figure 13-1. General I/O pin functionality.
Use of an I/O pin is controlled from the user software. Each port has one Data Direction (DIR),
Data Output Value (OUT) that is used for port pin control. The Data Input Value (IN) register is
used for reading the port pins. In addition each pin has a Pin Configuration (PINnCTRL) register
for additional pin configuration.
Direction of the pin is decided by the DIRn bit in the DIR register. If DIRn is written to one, pin n
is configured as an output pin. If DIRn is written to zero, pin n is configured as an input pin.
When direction is set as output, the OUTn bit in OUT is used to set the value of the pin. If OUTn
is written to one, pin n is driven high. If OUTn is written to zero, pin n is driven low.
The IN register is used for reading the pin value. The pin value can always be read regardless of
the pin being configured as input or output, except if digital input is disabled.
I/O pins are tri-stated when reset condition becomes active, even if no clocks are running.
PINnCTRL
D
D
D
Q
OUTn
DIRn
INn
R
R
R
R
Synchronizer
Analog Input/Output
Q
Q
Q
D
Digital Input Pin
Q
R
D
Pull Enable
Pull Keep
Pull Direction
Input Disable
Wired AND/OR
Slew Rate Limit
Inverted I/O
XMEGA A
Pxn
130
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