CC3200_15 Datasheet, PDF (49/71 Pages) Texas Instruments – CC3200 SimpleLink™ Wi-Fi® and Internet-of-Things Solution, a Single-Chip Wireless MCU

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CC3200
SWAS032F – JULY 2013 – REVISED FEBRUARY 2015
• Nested vectored interrupt controller (NVIC) closely integrated with the processor core to achieve low
latency interrupt processing. Features include:
– Bits of priority configurable from 3 to 8
– Dynamic reprioritization of interrupts
– Priority grouping that enables selection of preempting interrupt levels and nonpreempting interrupt
levels
– Support for tail-chaining and late arrival of interrupts, which enables back-to-back interrupt
processing without the overhead of state saving and restoration between interrupts
– Processor state automatically saved on interrupt entry and restored on interrupt exit with no
instruction overhead
– Wake-up interrupt controller (WIC) providing ultra-low power sleep mode support
• Bus interfaces:
– Three advanced high-performance bus (AHB-Lite) interfaces: ICode, DCode, and system bus
interfaces
– Bit-band support for memory and select peripheral that includes atomic bit-band write and read
operations
• Low-cost debug solution featuring:
– Debug access to all memory and registers in the system, including access to memory-mapped
devices, access to internal core registers when the core is halted, and access to debug control
registers even while SYSRESETn is asserted
– Serial wire debug port (SW-DP) or serial wire JTAG debug port (SWJ-DP) debug access
– Flash patch and breakpoint (FPB) unit to implement breakpoints and code patches
5.4 CC3200 Device Encryption
Figure 5-2 shows a standard MCU for the CC3200 device. Application image and user data files are not
encrypted. Network certificates are encrypted using a device-specific key.
Serial Flash
CC3200
Application
Image
Data Files
Boot loader
Application
Code
Application
Data
Encrypted
Network
Certificates
128bit
KEK
Network
Processor
Figure 5-2. CC3200 Standard MCU
SWAS032-030
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Detailed Description
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