ATEVK1104S Atmel, ATEVK1104S Datasheet - Page 23
![KIT EVAL FOR AT32UC](/photos/39/64/396451/atevk1104s_sml.jpg)
ATEVK1104S
Manufacturer Part Number
ATEVK1104S
Description
KIT EVAL FOR AT32UC
Manufacturer
Atmel
Series
AVR®32 UC3r
Type
MCUr
Specifications of ATEVK1104S
Contents
Board, Cables
Tool Type
Development Kit
Cpu Core
AVR 32
Data Bus Width
32 bit
Processor Series
AT32
Processor To Be Evaluated
AT32UC3A3256S
Interface Type
USB, JTAG, SD Card, Nexus, MMC
Core Architecture
AVR
Operating Supply Voltage
5.5 V
For Use With/related Products
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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4.4
4.4.1
4.4.2
4.4.3
4.4.4
32072C–AVR32–2010/03
I/O Line Considerations
JTAG Pins
RESET_N Pin
TWI Pins
GPIO Pins
TMS and TDI pins have pull-up resistors. TDO pin is an output, driven at up to VDDIO, and has
no pull-up resistor.
The RESET_N pin is a schmitt input and integrates a permanent pull-up resistor to VDDIO. As
the product integrates a power-on reset cell, the RESET_N pin can be left unconnected in case
no reset from the system needs to be applied to the product.
When these pins are used for TWI, the pins are open-drain outputs with slew-rate limitation and
inputs with inputs with spike filtering. When used as GPIO pins or used for other peripherals, the
pins have the same characteristics as other GPIO pins.
All the I/O lines integrate a programmable pull-up resistor. Programming of this pull-up resistor is
performed independently for each I/O line through the I/O Controller. After reset, I/O lines default
as inputs with pull-up resistors disabled, except when indicated otherwise in the column “Reset
State” of the I/O Controller multiplexing tables.
AT32UC3A3/A4
23
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