ATXMEGA16A4-CU Atmel, ATXMEGA16A4-CU Datasheet - Page 132
ATXMEGA16A4-CU
Manufacturer Part Number
ATXMEGA16A4-CU
Description
MCU AVR 16+4KB FLASH 49VFBGA
Manufacturer
Atmel
Series
AVR® XMEGAr
Specifications of ATXMEGA16A4-CU
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
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K 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
Processor Series
ATXMEGA16x
Core
AVR8
Data Bus Width
8 bit, 16 bit
Data Ram Size
2 KB
Interface Type
I2C/SPI/USART
Maximum Clock Frequency
32 MHz
Number Of Programmable I/os
34
Number Of Timers
5
Operating Supply Voltage
1.6 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
12-ch x 12-bit
On-chip Dac
2-ch x 12-bit
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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13.4.1.2
13.4.2
13.4.3
8077H–AVR–12/09
Bus-keeper
Wired-OR
Totem-pole with Pull-up
In this mode, the configuration is as for Totem-pole, expect the pin is configured with internal
pull-up when set as input.
Figure 13-4. I/O pin configuration - Totem-pole with pull-up (on input).
When the pin is configured for bus-keeper, it provides a weak bus-keeper that will keep the pin
at its logic level when the pin is no longer driven to any logic state. If last level on the pin/bus was
1, the bus-keeper will use the internal pull resistor to keep the bus high. If last logic level on the
pin/bus was 0, the bus-keeper will use the internal pull resistor to keep the bus high.
The bus-keeper’s week output produces the same logical level as the last output level. It acts as
a pull-up if the last level was '1', and pull-down if the last level was '0'.
Figure 13-5. I/O pin configuration - Totem-pole with bus-keeper
With Wired-OR configuration, the pin will be driven high when the corresponding bit in OUT is
written to one. When OUT is set to zero, the pin is released allowing the pin to be pulled low with
the internal or an external pull-resistor. If internal pull-down is used, this is also active if the pin is
set as input.
OUTn
OUTn
DIRn
DIRn
INn
INn
Pn
Pn
XMEGA A
132
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