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參數(shù)資料
| 型號： | SAF-C517A-L |
| 廠商： | SIEMENS AG |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8 BIT CMOS MICROCONTROLLER |
| 中文描述： | 8位CMOS單片機 |
| 文件頁數(shù)： | 21/72頁 |
| 文件大小： | 845K |
| 代理商： | SAF-C517A-L |
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Semiconductor Group
19
C517A
Enhanced Hooks Emulation Concept
The Enhanced Hooks Emulation Concept of the C500 microcontroller family is a new, innovative
way to control the execution of C500 MCUs and to gain extensive information on the internal
operation of the controllers. Emulation of on-chip ROM based programs is possible, too.
Each production chip has built-in logic for the supprt of the Enhanced Hooks Emulation Concept.
Therefore, no costly bond-out chips are necessary for emulation. This also ensure that emulation
and production chips are identical.
The Enhanced Hooks Technology
TM
1)
, which requires embedded logic in the C500 allows the C500
together with an EH-IC to function similar to a bond-out chip. This simplifies the design and reduces
costs of an ICE-system. ICE-systems using an EH-IC and a compatible C500 are able to emulate
all operating modes of the different versions of the C500 microcontrollers. This includes emulation
of ROM, ROM with code rollover and ROMless modes of operation. It is also able to operate in
single step mode and to read the SFRs after a break.
Figure 9
Basic C500 MCU Enhanced Hooks Concept Configuration
Port 0, port 2 and some of the control lines of the C500 based MCU are used by Enhanced Hooks
Emulation Concept to control the operation of the device during emulation and to transfer
informations about the programm execution and data transfer between the external emulation
hardware (ICE-system) and the C500 MCU.
1
“Enhanced Hooks Technology“ is a trademark and patent of Metalink Corporation licensed to Siemens.
SYSCON
PCON
TCON
RESET
EA
ALE
PSEN
Port 0
Port 2
Port 1
Port 3
opt.
I/O Ports
C500
MCU
2
RPCON
RTCON
Enhanced Hooks
Interface Circuit
RSYSCON
0
RPORT RPORT
TEA TALE TPSEN
EH-IC
ICE-System interface
to emulation hardware
Target System Interface
MCS03254
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