ATXMEGA16A4-CUR Atmel, ATXMEGA16A4-CUR Datasheet - Page 434

• Manufacturer Part Number: ATXMEGA16A4-CUR
• Description: MCU AVR 16+4KB FLASH 49VFBGA
• Manufacturer: Atmel
• Series: AVR® XMEGAr

Specifications of ATXMEGA16A4-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: 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
• 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

Table of Contents
8077H–AVR–12/09
1
2
3
4
About the Manual ..................................................................................... 2
Overview ................................................................................................... 3
Memories ................................................................................................ 18
AVR CPU .................................................................................................. 5
1.1
1.2
1.3
2.1
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10
3.11
3.12
3.13
3.14
3.15
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
4.10
Reading the Manual ..........................................................................................2
Resources .........................................................................................................2
Recommended Reading ....................................................................................2
Block Diagram ...................................................................................................4
Features ............................................................................................................5
Overview ............................................................................................................5
Architectural Overview .......................................................................................5
ALU - Arithmetic Logic Unit ...............................................................................7
Program Flow ....................................................................................................7
Instruction Execution Timing .............................................................................8
Status Register ..................................................................................................9
Stack and Stack Pointer ....................................................................................9
Register File ......................................................................................................9
RAMP and Extended Indirect Registers ..........................................................11
Accessing 16-bits Registers ............................................................................12
Configuration Change Protection ....................................................................12
Fuse Lock ........................................................................................................13
Register Description ........................................................................................13
Register Summary ...........................................................................................17
Features ..........................................................................................................18
Overview ..........................................................................................................18
Flash Program Memory ...................................................................................19
Fuses and Lockbits ..........................................................................................20
Data Memory ...................................................................................................22
Internal SRAM .................................................................................................22
EEPROM .........................................................................................................23
I/O Memory ......................................................................................................23
External Memory .............................................................................................23
Data Memory and Bus Arbitration ...................................................................23
XMEGA A
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