CMSIS-DAP  
Interface Firmware for CoreSight Debug Access Port
 
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DAP_JTAG_Sequence

Generate JTAG sequence TMS, TDI and capture TDO.

The DAP_JTAG_Sequence Command may be used to auto-detect devices on the JTAG chain. The result of this command can be used to calculate on the host computer the number of JTAG devices and the JTAG IR register length. This information is the input for DAP_JTAG_Configure.

DAP_JTAG_Sequence Command:

| BYTE | BYTE **********| BYTE *********| BYTE ****|
> 0x14 | Sequence Count | Sequence Info | TDI Data |
|******|****************|

DAP_JTAG_Sequence Response:

| BYTE | BYTE **| BYTE ****|
< 0x14 | Status | TDO Data |
|******|********|++++++++++|