參數(shù)資料
型號: SAB-XC167CI-16F20F
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP144
封裝: 0.50 MM PITCH, PLASTIC, TQFP-144
文件頁數(shù): 26/80頁
文件大?。?/td> 2477K
代理商: SAB-XC167CI-16F20F
XC167
Derivatives
Functional Description
Data Sheet
28
V1.1, 2003-06
Preliminary
3.5
On-Chip Debug Support (OCDS)
The On-Chip Debug Support system provides a broad range of debug and emulation
features built into the XC167. The user software running on the XC167 can thus be
debugged within the target system environment.
The OCDS is controlled by an external debugging device via the debug interface,
consisting of the IEEE-1149-conforming JTAG port and a break interface. The debugger
controls the OCDS via a set of dedicated registers accessible via the JTAG interface.
Additionally, the OCDS system can be controlled by the CPU, e.g. by a monitor program.
An injection interface allows the execution of OCDS-generated instructions by the CPU.
Multiple breakpoints can be triggered by on-chip hardware, by software, or by an
external trigger input. Single stepping is supported as well as the injection of arbitrary
instructions and read/write access to the complete internal address space. A breakpoint
trigger can be answered with a CPU-halt, a monitor call, a data transfer, or/and the
activation of an external signal.
Tracing data can be obtained via the JTAG interface or via the external bus interface for
increased performance.
The debug interface uses a set of 6 interface signals (4 JTAG lines, 2 break lines) to
communicate with external circuitry. These interface signals use dedicated pins.
Complete system emulation is supported by the New Emulation Technology (NET)
interface. Via this full-featured emulation interface (including internal buses, control,
status, and pad signals) the XC167 chip can be connected to a NET carrier chip.
The use of the XC167 production chip together with the carrier chip provides superior
emulation behavior, because the emulation system shows exactly the same functionality
as the production chip (use of the identical silicon).
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