參數(shù)資料
型號: AV80C52TXXX-20:D
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 20 MHz, MICROCONTROLLER, PQFP44
封裝: 1.40 MM HEIGHT, VQFP-44
文件頁數(shù): 77/134頁
文件大?。?/td> 3805K
47
8068U–AVR–06/2013
XMEGA A3
Not recommended for new designs -
Use XMEGA A3U series
28. OCD - On-chip Debug
28.1
Features
Complete Program Flow Control
– Go, Stop, Reset, Step into, Step over, Step out, Run-to-Cursor
Debugging on C and high-level language source code level
Debugging on Assembler and disassembler level
1 dedicated program address or source level breakpoint for AVR Studio / debugger
4 Hardware Breakpoints
Unlimited Number of User Program Breakpoints
Unlimited Number of User Data Breakpoints, with break on:
– Data location read, write or both read and write
– Data location content equal or not equal to a value
– Data location content is greater or less than a value
– Data location content is within or outside a range
– Bits of a data location are equal or not equal to a value
Non-Intrusive Operation
– No hardware or software resources in the device are used
High Speed Operation
– No limitation on debug/programming clock frequency versus system clock frequency
28.2
Overview
The XMEGA A3 has a powerful On-Chip Debug (OCD) system that - in combination with Atmel’s
development tools - provides all the necessary functions to debug an application. It has support
for program and data breakpoints, and can debug an application from C and high level language
source code level, as well as assembler and disassembler level. It has full Non-Intrusive Opera-
tion and no hardware or software resources in the device are used. The ODC system is
accessed through an external debugging tool which connects to the JTAG or PDI physical inter-
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