參數(shù)資料
型號: XC161CJ
廠商: INFINEON TECHNOLOGIES AG
英文描述: 16-Bit Single-Chip Microcontroller
中文描述: 16位單片機
文件頁數(shù): 31/79頁
文件大?。?/td> 2440K
代理商: XC161CJ
XC161
Derivatives
Functional Description
Data Sheet
27
V2.2, 2003-06
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 XC161. The user software running on the XC161 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 XC161 chip can be connected to a NET carrier chip.
The use of the XC161 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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