ATXMEGA128B3-AU ATMEL [ATMEL Corporation], ATXMEGA128B3-AU Datasheet - Page 132

• Manufacturer Part Number: ATXMEGA128B3-AU
• Description: 8/16-bit Atmel XMEGA B3 Microcontroller
• Manufacturer: ATMEL [ATMEL Corporation]

Table of contents
8074B–AVR–02/12
1
2
3
4
5
6
7
8
Features ..................................................................................................... 1
Ordering Information ............................................................................... 2
Pinout/Block Diagram .............................................................................. 3
Overview ................................................................................................... 4
Resources ................................................................................................. 7
Capacitive touch sensing ........................................................................ 7
AVR CPU ................................................................................................... 8
Memories ................................................................................................ 12
DMAC – Direct Memory Access Controller ......................................... 17
3.1Block Diagram ...........................................................................................................6
4.1Recommended reading .............................................................................................7
6.1Features ....................................................................................................................8
6.2Overview ...................................................................................................................8
6.3Architectural Overview ..............................................................................................8
6.4ALU - Arithmetic Logic Unit .......................................................................................9
6.5Program Flow ..........................................................................................................10
6.6Status Register ........................................................................................................10
6.7Stack and Stack Pointer ..........................................................................................10
6.8Register File ............................................................................................................11
7.1Features ..................................................................................................................12
7.2Overview .................................................................................................................12
7.3Flash Program Memory ...........................................................................................13
7.4Fuses and Lock bits ................................................................................................14
7.5Data Memory ...........................................................................................................14
7.6EEPROM .................................................................................................................15
7.7I/O Memory ..............................................................................................................15
7.8Data Memory and Bus Arbitration ...........................................................................15
7.9Memory Timing ........................................................................................................15
7.10Device ID and Revision .........................................................................................16
7.11JTAG Disable ........................................................................................................16
7.12I/O Memory Protection ..........................................................................................16
7.13Flash and EEPROM Page Size .............................................................................16
XMEGA B3
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