TC1765 Datasheet, PDF (53/88 Pages) Infineon Technologies AG – 32-Bit Single-Chip Microcontroller

TC1765
Preliminary
On-Chip Debug Support
The On-Chip Debug Support (OCDS) of the TC1765 consists of four building blocks:
• OCDS module in the TriCore CPU
– On-chip breakpoint hardware
– Support of an external break signal
• Trace module
– Outputs 16 bits each f_SYS system clock cycle at TP[15:0] with pipeline status
information, PC bus information, and breakpoint qualification information
• DMA Controller Trace
– Indication of address counter updates
• Debugger Interface Cerberus
– Provided for debug purposes of emulation tool vendors
– Accessible through a JTAG standard interface with dedicated JTAG port pins
Figure 15 shows a basic block diagram of the building blocks.
.
FPI Bus
DMA
C o n tro lle r
16
SCU
16
Trace
C o n tro l
&
Status
TP[15:0]
(TC1765T only)
BRKOUT
TriCore
16
CPU
Cerberus &
JTAG
Figure 15 OCDS Basic Block Diagram
Data Sheet
49
B R K IN
OCDSE
TDI
TDO
TMS
TCK
TRST
JTAG
I/O Lines
MCB04995
V1.2, 2002-12