UM0034 datasheet(14/39 Pages) STMICROELECTRONICS

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Emulation configuration

ST7-EMU3 series emulator

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Emulation configuration

In the emulation configuration, the ST7-EMU3 emulator provides you with a full range of

emulation features to make building and debugging your application fast and easy. The

following sections provide information about the emulation configuration, including

descriptions of:

●

Section 4.2 – system architecture

●

Section 4.1 – overall emulation features

●

Section 4.3 – ST Micro Connect box features

●

Section 4.4 – EMU3 probe features

●

Section 4.5 – the dual configuration capability

●

Section 4.6 – automatic firmware updating

●

Section 4.7 – product limitations and discrepancies

4.1

Emulation features

The features described below are common to all ST7 EMU3 emulators:

●

Link to host PC via USB, 10 MHz Ethernet and parallel port connections.

●

2.5 to 5.5 V operating voltage (refer to your ST7xxxx Datasheet).

●

Programmable internal CPU clock with frequency up to 24 MHz, depending on your

ST7 (see your ST7xxxx Datasheet).

●

256k x 112-bit real-time trace (address, data and control buses).

●

Advanced breakpoints based on a 4-level logical sequencer that allows you to perform

specific actions upon the occurrence of an event or series of events. Advanced

breakpoints functionality provides flexibility of use, permits simple or multi-level

breakpoint conditions, control of trace recording and triggering of output signals.

●

9 external input triggers, which are recorded in the trace and can be used as signal

events in the advanced breakpoints. Input triggers include:

–

1 input trigger via SUB-click connector on the ST Micro Connect box

–

8 input triggers on analyzer input

●

2 output triggers via SUB-click connectors on the ST Micro Connect box.

●

Full access to entire 64 KB of ST7 memory. Read/write privileges on the entire memory

space (see Section 4.7.2 on page 23, regarding limitations). Granularity of memory

mapping is 1.

●

Read/Write on-the-fly feature allows you to intrusively read or write to memory while

executing your application.

●

Easily upgradable – the PLDs and firmware of the ST Micro Connect and the EMU3

probe are updated automatically by STVD7.

●

Easily expandable – you can change the emulation target (i.e. the type of ST7 to be

emulated) easily and economically by changing the target emulation board (TEB) in the

EMU3 probe.

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