Limitations, Restrictions; Clock Speed; Access To Internal Ram; Trace Internal Ram - HP 7750 User Manual

Limitations,
Restrictions

Clock Speed

Access to Internal
RAM

Trace Internal RAM

Note
Step Command to
Internal RAM

DMA Support

Watch Dog Timer in
Background
Step Command with
Foreground Monitor
Maximum clock speed of HP 64147A 7750/51 emulator is 25MHz.
This emulator does not support any operation with clock faster than
25MHz.
Modifying internal RAM or SFR suspends user program execution.
Read data from the internal RAM or SFR is not traced correctly by the
emulation analyzer.
Write data is also not traced correctly, when the following conditions
are met:
The emulator is used with the M37780/81/82/83/85/95/96
emulation pod.
The processor is operating in the memory expansion or
microprocessor mode with 8 bit external bus.
Step command to internal RAM area is not available.
Direct memory access to emulation memory is not allowed.
Watch dog timer suspends count down while the emulator is running in
background monitor.
Step command is not available when the emulator is used with a
foreground monitor.
Introduction 1-7