參數(shù)資料
型號: R83C154DTXXX-30R
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 30 MHz, MICROCONTROLLER, CQCC44
封裝: LCC-44
文件頁數(shù): 51/108頁
文件大小: 3682K
代理商: R83C154DTXXX-30R
47
8069R–AVR–06/2013
XMEGA A4
Not recommended for new designs -
Use XMEGA A4U 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 A4 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 PDI physical interface.
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