mylog-jtag.txt

用verilog编写的USB下载线程序 实现USB协议和JTAG接口的数据转换实现状态机

FT_OPEN_BY_DESCRIPTION index: 00000000
  USB-Blaster
00000001-FT_Open
FT_SetDivisor: 00000001
FT_SetTimeouts. ReadTimeout:00000BB8, WriteTimeout:00000000
FT_SetLatencyTimer: 00000002
FT_SetUSBParameters: dwInTransferSize:00010000, dwOutTransferSize:00000000
FT_Write : 00000040
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
FT_Purge: 00000003
FT_Write : 00000001
 2C
FT_EE_UARead : 00000040
 00000030
 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
FT_Write : 00000001
 7E
FT_Read : 00000001
 FF
FT_Write : 00000001
 7F
FT_Read : 00000001
 FF
FT_Write : 00000001
 7E
FT_Read : 00000001
 FF
FT_Write : 00000038
 3E 3F 3E 3F 3E 3F 3E 3F 3E 3F 3E 3F 3E JTAG RESET

 3C 3D     RESET      -> IDLE
 3C 3E 3F  IDLE       -> Select DR
 3E 3C 3D  Select DR  -> Capture DR
 3C 3D 3C  Capture DR -> Shift DR
 7D 3C     Shift DR   -> Shift DR (TDO ECHO) 
 CF 恹溧螯 15 徉轵