ATXMEGA192D3-AU Atmel, ATXMEGA192D3-AU Datasheet - Page 104

MCU AVR 192K FLASH 64TQFP

ATXMEGA192D3-AU

Manufacturer Part Number
ATXMEGA192D3-AU
Description
MCU AVR 192K FLASH 64TQFP
Manufacturer
Atmel
Series
AVR® XMEGAr
Datasheets

Specifications of ATXMEGA192D3-AU

Core Processor
AVR
Core Size
8/16-Bit
Speed
32MHz
Connectivity
I²C, IrDA, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
50
Program Memory Size
192KB (96K x 16)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.6 V ~ 3.6 V
Data Converters
A/D 16x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
Controller Family/series
ATXMEGA
No. Of I/o's
50
Eeprom Memory Size
2KB
Ram Memory Size
16KB
Cpu Speed
32MHz
Rohs Compliant
Yes
Processor Series
XMEGA
Core
AVR
Data Bus Width
8 bit, 16 bit
Data Ram Size
16 KB
Interface Type
SPI, TWI, USART
Maximum Clock Frequency
32 MHz
Number Of Programmable I/os
50
Number Of Timers
5
Operating Supply Voltage
2.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Minimum Operating Temperature
- 40 C
Operating Temperature Range
- 40 C to + 85 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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8068T–AVR–12/10
16. Pending full asynchronous pin change interrupts will not wake the device
17. Pin configuration does not affect Analog Comparator output
18. NMI Flag for Crystal Oscillator Failure automatically cleared
19. Writing EEPROM or Flash while reading any of them will not work
20. Crystal start-up time required after power-save even if crystal is source for RTC
21. RTC Counter value not correctly read after sleep
Any full asynchronous pin-change Interrupt from pin 2, on any port, that is pending when the
sleep instruction is executed, will be ignored until the device is woken from another source
or the source triggers again. This applies when entering all sleep modes where the System
Clock is stopped.
Problem fix/Workaround
None.
The Output/Pull and inverted pin configuration does not affect the Analog Comparator
output.
Problem fix/Workaround
None for Output/Pull configuration.
For inverted I/O, configure the Analog Comparator to give an inverted result (i.e. connect
positive input to the negative AC input and vice versa), or use and external inverter to
change polarity of Analog Comparator output.
NMI flag for Crystal Oscillator Failure (XOSCFDIF) will be automatically cleared when exe-
cuting the NMI interrupt handler.
Problem fix/Workaround
This device revision has only one NMI interrupt source, so checking the interrupt source in
software is not required.
The EEPROM and Flash cannot be written while reading EEPROM or Flash, or while exe-
cuting code in Active mode.
Problem fix/Workaround
Enter IDLE sleep mode within 2.5 µs (Five 2 MHz clock cycles and 80 32 MHz clock cycles)
after starting an EEPROM or flash write operation. Wake-up source must either be
EEPROM ready or NVM ready interrupt. Alternatively set up a Timer/Counter to give an
overflow interrupt 7 ms after the erase or write operation has started, or 13 ms after atomic
erase-and-write operation has started, and then enter IDLE sleep mode.
Even if 32.768 kHz crystal is used for RTC during sleep, the clock from the crystal will not be
ready for the system before the specified start-up time. See "XOSCSEL[3:0]: Crystal Oscilla-
tor Selection" in XMEGA A Manual. If BOD is used in active mode, the BOD will be on during
this period (0.5s).
Problem fix/Workaround
If faster start-up is required, go to sleep with internal oscillator as system clock.
If the RTC is set to wake up the device on RTC Overflow and bit 0 of RTC CNT is identical to
bit 0 of RTC PER as the device is entering sleep, the value in the RTC count register can not
be read correctly within the first prescaled RTC clock cycle after wakeup. The value read will
be the same as the value in the register when entering sleep.
The same applies if RTC Compare Match is used as wake-up source.
XMEGA A3
104

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