Technical information

Section 3 Software Specifications when Using the SH72546RFCC, SH72544R, SH72543R, SH72531, and SH72531FCC
Rev. 2.00 Feb. 18, 2009 Page 48 of 94
REJ10J1938-0200
The following six items can be selected as the internal trace from [Type] of [I-Trace mode].
Table 3.10 Information on Acquiring the Internal Trace
Item Acquisition Information
[M-Bus & Branch] Acquires the data and branch information on the M-bus.
• Data access (read/write)
• PC-relative access
• Branch information
[I-Bus] Acquires the data on the I-bus.
• Data access (read/write)
• Selection of the bus master on the I-bus (CPU/DMA/A-DMA)
• Instruction fetch
[F-Bus] Acquires the instruction fetch information on the F-bus.
• Instruction fetch
[I-Bus, M-Bus & Branch] Acquires the contents of [M-Bus & Branch] and [I-Bus].
[F-Bus, M-Bus & Branch] Acquires the contents of [M-Bus & Branch] and [F-Bus].
[I-Bus, F-Bus] Acquires the contents of [I-Bus] and [F-Bus].
After selecting [Type] of [I-Trace mode], select the contents to be acquired from [Acquisition].
Typical examples are described below (note that items disabled for [Acquisition] are not
acquired).
• Example of acquiring branch information only:
Select [M-Bus & Branch] from [Type] and enable [Branch] on [Acquisition].
• Example of acquiring the read or write access (M-bus) only by the user program:
Select [M-Bus & Branch] from [Type] and enable [Read] and [Write] on [Acquisition].
• Example of acquiring the read access only by DMAC (I-bus):
Select [I-Bus] from [Type] and enable [Read] and [DMA] on [Acquisition].