C2000™ 32-bit MCU Family
C2000™ 32-bit MCU Family
C2000™ 32-bit MCU Family
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GPIO<br />
XRSn<br />
WDRSn<br />
Watchdog<br />
Pull-Up<br />
Glitch<br />
Filter<br />
Voltage Regulator and Reset System<br />
NMIRSn<br />
RSn<br />
Output Buffer - Power<br />
Good Signal. Prevents<br />
Output Glitches On Digital<br />
I/Os During Power-Up.<br />
NMI<br />
Watchdog<br />
NMI<br />
Interrupt<br />
CPU<br />
PGIO<br />
PBRSn<br />
Power-On<br />
Reset & Brown-<br />
Out Detector.<br />
Monitors 3.3V &<br />
1.9V Supply.<br />
POR/<br />
BOR<br />
On Clock Failure Detection, NMI<br />
Interrupt Is Generated First. If CPU<br />
Does Not Respond Within Selected<br />
Period, Then Reset Is Generated.<br />
CLOCKFAILn<br />
SYSRSn<br />
VREG<br />
Reset To All<br />
Peripherals.<br />
CPU<br />
+<br />
Memories<br />
+<br />
Digital<br />
Peripherals<br />
Analog<br />
Peripherals<br />
3.3V +/-10%<br />
VDDIO<br />
VDD<br />
VSS<br />
~1.9V<br />
3.3V +/-10%<br />
VDDA<br />
VSSA<br />
• Lower System Cost<br />
– On-chip regulator eliminates<br />
requirement for external 1.8V rail<br />
– BOR/POR protection eliminates<br />
requirement for external<br />
supervisor<br />
• Increased System Reliability<br />
– Eliminates any start-up glitches<br />
on PWM outputs<br />
27