Technical information

Section 3 Software Specifications when Using the SH72546RFCC, SH72544R, SH72543R, SH72531, and SH72531FCC
Rev. 2.00 Feb. 18, 2009 Page 62 of 94
REJ10J1938-0200
(a) Window Trace Function
Trace information on access to a specified range of memory is acquired.
Four memory ranges can be specified, i.e. one each for channels A, B, C, and D. The following
conditions are selectable.
• Bus state condition: M-BUS or I-BUS
• Read/write condition: write, read, or read/write
• M-BUS state condition: the time of completion of M-bus data transfer (M-BUS data end) or
completion of M-bus command transfer and address transfer (M-BUS command end)
[Setting Method]
(i) Select the [Window trace] check box.
(ii) Select the [Channel A], [Channel B], [Channel C], and [Channel D] check boxes in the
[Window trace] group box to enable tracing on all of the channels.
(iii) Specify the memory range for trace acquisition and bus-state and read/write conditions for
each channel.
(iv) If M-bus is to be selected for all channels, specify the M-bus state condition for the timing of
the acquisition of time-stamp information for the trace.