ATXMEGA32A4-CUR Atmel, ATXMEGA32A4-CUR Datasheet - Page 77
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Figure 7-1.
7.3
7.3.1
7.3.2
8077H–AVR–12/09
Clock Distribution
System Clock - clk
CPU Clock - clk
Brown-out
Detection
The Clock system, clock sources and clock distribution
Real Time
Counter
Figure 7-1 on page 77
The System Clock is the output from the main system clock selection. This is fed into the pres-
calers that are used to generate all internal clocks except the Asynchronous Clock.
The CPU Clock is routed to the CPU and Non-Volatile Memory. Halting the CPU Clock inhibits
the CPU from executing instructions.
Watchdog
CPU
Int. ULP
32 kHz
Timer
SYS
clk
rtc
32.768 kHz
Int. Osc.
Peripherals
clk
PER4
clk
PER2
clk
presents the principal clock distribution in the XMEGA.
PER
Int. Osc.
2 MHz
RAM
System Clock
System Clock Multiplexer
Prescalers
clk
SYS
Int. Osc.
32 MHz
PLL
32 kHz
XTAL
AVR CPU
clk
CPU
0.4-16 Mhz
XTAL
Non-Volatile
Memory
XMEGA A
External
Clock
77
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