Here'a handy pinout reference for CC-DEVPACK-DEBUG: The cheapest option for an officially supported debugger is the CC-DEVPACK-DEBUG, available from most common electronics distributors. Flashing using CC-DEVPACK-DEBUG (or TI XDS110)
On zzhp and zzhp-lite (Rev B3 onwards), all pins are brought out to the debug header so you can use a JTAG compatible debug adapter. The debug header on zzh only exposes TMS/TCK and as such a cJTAG compatible debug adapter is needed. cJTAG (IEEE 1149.7) is an extension to the JTAG standard (IEEE 1149.1), that reduces the number of required pins by multiplexing the TMS, TDI and TDO signals on a single bi-directional pin, providing all the normal JTAG debug and test functionality ( ref).
While it may look like it (reduced pin count on the debug header), cJTAG is not SWD. TI's newer generation chips use cJTAG as the default debug interface. If you have accidentally disabled BSL on your stick by flashing it with an incompatible firmware, or if you are a firmware developer needing proper debugging facilities and/or want to get access to the RF tools in TI SmartRF Studio, follow along. Please Note: For general purpose usage, you will not need an external debugger and BSL method will be enough for your flashing needs.
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