ST HDS2 Series, User Manual, Page: 44 / 67

4 - Emulator Features ST7MDTU3-EMU2B Emulator User Manual
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• The ST7MDTU3-Active Probe contains the specific resources necessary to
emulate the ST72F63 MCU, and is used as a link between the ST7 HDS2
and your application.
4.3.1 ST7 HDS2 Hardware
The hardware functions provided by this component are listed below:
• HDS2 CPU: Used to control the ST7XXX-HDS board and manage common
HDS2 features such as the parallel link with the PC.
• RAM memory:
- 64K bytes for ROM and RAM emulation.
- 64K bytes as break points control and Mapping.
- 1K x 32-bit as trace memory.
• Hardware breakpoint control logic to manage breakpoints from the 16-bit
address bus.
• Logical analyser control logic to manage sophisticated recording and
break events in the trace.
• PC link: parallel interface for communication with PC.
ST7MDTU3-EMU2B
PC Parallel Link
Emulation Memory
Control RAM
Trace Memory
ST9 MCU
ST7 HDS2
Flat Cables
Address bus
Data bus
Control bus
Generic
Probe
Emulation Chip
Socket
ST72F63-TEB
Socket Adapter
Application
Board