Description

The MDT7822ST23 is an IC chip categorized for electronic components. It is a part of the ST7 family of MCUs, which is supported by a common Hardware Development System mainframe that provides comprehensive development support. It allows emulation and development of specific devices, with only the probe needing to be changed to emulate a new ST7 family device.

Specifications and features

• A common Hardware Development System mainframe supports the entire ST7 family of MCUs, in conjunction with the appropriate ST7xxx-DBE Active Probe.
• Real-time source level emulation allows viewing and breakpoint setting on high level source code rather than on disassembled target code for optimum user friendliness.
• 64 KBytes of user modifiable and configurable emulation RAM, allows memory mapping of all ST7 family devices as well as modelling hypothetical memory configurations.
• Unlimited breakpoints may be set for any opcode fetch or any address access, and conditions may be defined for the generation of 2 external synchronization signals.
• 1K by 32-bit wide trace memory allows complex and sequential events to be defined on any combination of address and data, as well as 3 internal and 5 external logic signals.
• User defined events may trigger a breakpoint or simply define data capture parameters, in accordance with user preferences.
• Simple connection of the emulator system to the Host PC via parallel port.
• Emulation system may be driven by a Windowsbased GNU debugger software or DOS software running on host PC, allowing full control and monitoring of hardware resources.
• Multiple windows allow concurrent real-time display of source code, MCU resources, internal registers, trace data, etc.
• Log files allow storage and subsequent redisplay of any displayed screen for subsequent analysis.
• Command files can be used to execute a set of debugger commands in batch mode.
• Editable configuration files ensure tailoring of working environment to user preferences.
• Special Function Register window - symbolic display of SFR .

Application Scenarios

The MDT7822ST23 is suitable for electronic design engineers, hobbyists and students who are interested in developing or emulating specific devices in the ST7 family of MCUs. It can be used in electronic component projects such as microcontroller-based systems, electronic control systems, automation systems, and other digital electronic applications that require a development support system.

Comparison

• The Hardware Development System (HDS) mainframe is common to all ST7 devices and supports the entire ST7 family of MCUs.
• Real-time source level emulation allows viewing and breakpoint setting on high level source code rather than on disassembled target code for optimum user friendliness.
• 64 KBytes of user modifiable and configurable emulation RAM, allows memory mapping of all ST7 family devices as well as modelling hypothetical memory configurations.
• Unlimited breakpoints may be set for any opcode fetch or any address access, and conditions may be defined for the generation of 2 external synchronization signals.
• Emulation system may be driven by a Windowsbased GNU debugger software or DOS software running on host PC, allowing full control and monitoring of hardware resources.
• Multiple windows allow concurrent real-time display of source code, MCU resources, internal registers, trace data, etc.
• Log files allow storage and subsequent redisplay of any displayed screen for subsequent analysis.
• Editable configuration files ensure tailoring of working environment to user preferences.
• Special Function Register window - symbolic display of SFR .

• The MDT7822ST23 is only compatible with the ST7 family of MCUs, limiting the range of devices it can emulate and develop.
• It requires the appropriate ST7xxx-DBE Active Probe to support the entire ST7 family of MCUs, which may incur additional costs for users.
• It can only be connected to the Host PC via parallel port, which may limit the usability for some users who prefer other connection options.