R5S72011 RENESAS [Renesas Technology Corp], R5S72011 Datasheet - Page 189
R5S72011
Manufacturer Part Number
R5S72011
Description
32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7200 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.R5S72011.pdf
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The user break controller (UBC) provides functions that simplify program debugging. These
functions make it easy to design an effective self-monitoring debugger, enabling the chip to debug
programs without using an in-circuit emulator. Instruction fetch or data read/write of CPU, data
size, data contents, address value, and stop timing in the case of instruction fetch are break
conditions that can be set in the UBC. Since this LSI uses a Harvard architecture, instruction fetch
on the CPU bus (C bus) is performed by issuing bus cycles on the instruction fetch bus (F bus),
and data access on the C bus is performed by issuing bus cycles on the memory access bus (M
bus). The UBC monitors the C bus and internal bus (I bus).
7.1
1. The following break comparison conditions can be set.
• Address
• Data
• Bus cycle
• Read/write
• Operand size
2. In an instruction fetch cycle, it can be selected whether the start of user break interrupt
3. When a break condition is satisfied, a trigger signal is output from the UBCTRG pin.
Number of break channels: two channels (channels 0 and 1)
User break can be requested as the independent condition on channels 0 and 1.
Comparison of the 32-bit address is maskable in 1-bit units.
One of the three address buses (F address bus (FAB), M address bus (MAB), and I address bus
(IAB)) can be selected.
Comparison of the 32-bit data is maskable in 1-bit units.
One of the two data buses (M data bus (MDB) and I data bus (IDB)) can be selected.
Instruction fetch (only when C bus is selected) or data access
Byte, word, and longword
exception processing is set before or after an instruction is executed.
Features
Section 7 User Break Controller (UBC)
Rev. 2.00 Sep. 07, 2007 Page 161 of 1164
Section 7 User Break Controller (UBC)
REJ09B0321-0200
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