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2.2 Specific Functions for the Emulator when Using the SH7339
In the SH7339, a reset must be input when the emulator is activated. Do not use the activation
method described in step 12 for section 3.11 in the Debugger Part of the SuperHTM Family
E10A-USB Emulator User's Manual.
2.2.1 Break Condition Functions
In addition to BREAKPOINT functions, the emulator has Break Condition functions. Three types
of conditions can be set under Break Condition 1, 2, 3. Table 2.4 lists these conditions of Break
Condition.
Table 2.4 Types of Break Conditions
Break Condition Type Description
Address bus condition (Address) Breaks when the SH7339 address bus value or the program
counter value matches the specified value.
Data bus condition (Data) Breaks when the SH7339 data bus value matches the
specified value. Byte, word, or longword can be specified as
the access data size.
X-Bus or Y-Bus condition (Address
and data)
Breaks when the X-Bus or Y-Bus address bus or data bus
matches the specified value.
Bus state condition
(Bus State)
There are two bus state condition settings:
Read/Write condition: Breaks when the SH7339 RD or
RDWR signal level matches the specified condition.
Bus state condition: Breaks when the operating state in an
SH7339 bus cycle matches the specified condition.
Types of buses that can be specified are listed below.
• L-bus (CPU-ALL): Indicates an instruction fetch and data
access, including a hit to the cache memory.
• L-bus (CPU-Data): Indicates a data access by the CPU,
including a hit to the cache memory.
• I-bus (CPU.DMA): Indicates a CPU cycle when the
cache memory is not hit, and a data access by the
DMA.
Internal I/O break condition Breaks when the SH7339 accesses the internal I/O.
LDTLB instruction break condition Breaks when the SH7339 executes the LDTLB instruction.
Count Breaks when the conditions set are satisfied the specified
number of times.