JTAG
, OpenOCD
, FT2232
, FT232
4K Bytes Tx and Rx data buffers per interface
ftdi/minimodule.cfg in OpenOCD
nSRST defined on pin CN2-13 of the MiniModule (pin ADBUS5 [AD5] on the FT2232H chip) => OpenOCD uses FT2232H's channel A
Table 3.1 FT2232H Pin Configurations for 64-pin QFN and LQFP package of FT2232H Dual High Speed USB to Multipurpose UART/FIFO IC Datasheet:
Table 3.13 FT2232H Pin Configurations for 56-pin VQFN package of FT2232H Dual High Speed USB to Multipurpose UART/FIFO IC Datasheet:
Table 3.1 FT2232H-56Q Mini Module Connection–CN2 of FT2232H-56Q Mini Module Datasheet:
Module connect pins:
Pin # | Function |
---|---|
AD0 | TCK |
AD1 | TDI |
AD2 | TDO |
AD3 | TMS |
AD5 | nTRST |
The quality of USB wire is really important!!!
Pin # | Function |
---|---|
AD0 | TCK |
AD1 | TDI |
AD2 | TDO |
AD3 | TMS |
AC0 | nTRST |
AC1 | nSRST |