TC1796
Functional Description
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Important debugging support is provided through the reset pre-warning operation by
first issuing an NMI to the CPU before finally resetting the device after a certain
period of time.
3.19
System Control Unit
The System Control Unit (SCU) of the TC1796 handles several system control tasks.
These system control tasks of the SCU are:
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Clock system selection and control
Reset and boot operation control
Power management control
Configuration input sampling
External Request Unit
System clock output control
Chip select generation for EBU
EBU pull devices control
On-chip SRAM Parity Control
Pad driver temperature compensation control
Emergency stop input control for GPTA outputs
Die Temperature Sensor
GPTA1 input IN0 control
Pad Test Mode control for dedicated pins
ODCS level 2 trace control
NMI control
Miscellaneous SCU control
3.20
Boot Options
The TC1796 booting schemes provide a number of different boot options for the start of
code execution. Table 7 shows the boot options available in the TC1796.
Data Sheet
70
V1.0, 2008-04
INFINEON [ Infineon ]
