ATXMEGA32A4-CUR Atmel, ATXMEGA32A4-CUR Datasheet - Page 130
ATXMEGA32A4-CUR
Manufacturer Part Number
ATXMEGA32A4-CUR
Description
MCU AVR 32+4 FLASH 49VFBGA
Manufacturer
Atmel
Series
AVR® XMEGAr
Specifications of ATXMEGA32A4-CUR
Core Processor
AVR
Core Size
8/16-Bit
Speed
32MHz
Connectivity
I²C, IrDA, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
34
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.6 V ~ 3.6 V
Data Converters
A/D 12x12b, D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
49-VFBGA
For Use With
ATAVRONEKIT - KIT AVR/AVR32 DEBUGGER/PROGRMMRATSTK600 - DEV KIT FOR AVR/AVR32770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPI
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Manufacturer
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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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