Achronix Speedster22i HD1000 Development Kit User Guide - Manual (Page 63)

UG034, July 1, 2014 63
Jumpers
Table 28: Jumpers and their Functions
Jumper Implementation
Connected
Pins
Function
JTAG
J54
Surface Mount
Resistor
None
1 & 2
Selects
FPGA_TDO_RLDRAM
for FPGA TDO output
2 & 3 Selects A_TDO
J17
Surface Mount
Resistor
None
1 & 2 Selects A_TDO
2 & 3 Selects FMC_TDO_V1P8
J12
Surface Mount
Resistor
None
1 & 2 Connects FPGA_TMS
J19
Surface Mount
Resistor
None
for FPGA TDI-TDO
JTAG Chain
connectivity 1 & 2
Selects FPGA_TDI to TDI
connection
2 & 3
FPGA_TDI to xxx_TDO,
bypassing FPGA
3 & 4
TDO to xxx_TDO
connection
J33
Surface Mount
Resistor
None
1 & 2 Connects RLDRAM_TMS
J32 4-Pin Jumper None
1 & 2
Selects RLDRAM_TDI to
TDI connection
for RLDRAM TDI-
TDO JTAG Chain
connectivity
2 & 3
RLDRAM_TDI to
RLDRAM_TDO, bypassing
RLDRAM
3 & 4
TDO to RLDRAM_TDO
connection
J40
Surface Mount
Resistor
None
1 & 2 Connects RLDRAM2_TMS
J39 4-Pin Jumper None
1 & 2
Selects RLDRAM_TDO to
TDI connection
for RLDRAM2 TDI-
TDO JTAG Chain
connectivity
2 & 3
RLDRAM_TDO to
RLDRAM2_TDO,
bypassing RLDRAM2
3 & 4
TDO to RLDRAM2_TDO
connection
J30
Surface Mount
Resistor
None