Achronix Speedster22i HD1000 Development Kit User Guide - Manual (Page 65)

UG034, July 1, 2014 65
Jumper Implementation
Connected
Pins
Function
1 & 2 Selects VREF_A_M2C for pin AE15 (U33)
2 & 3 Selects ADJ _FMC
RESET
J37
Surface Mount
Resistor
None
1 & 2
Part of microcontroller
reset circuitry
Configuration
J34
Surface Mount
Resistor
None
1 & 2*
Selects
OE_FPGA_HEADER to drive
OE_L_UNI_LVL
2 & 3 Selects OE_FPGA_BUF
J31 4-Pin Jumper Open
Selects JTAG
programming from
Development PC
1 & 2
Selects EPROM
programming
2 & 3
Selects CPU programming
from MicroSD Card
2 & 4
Selects Serial
programming from Flash
Fan Connector
J8
Surface Mount
Resistor
1 12V Supply
2 Ground
Sequencer
RUN_VDD_BRAM
J9
Surface Mount
Resistor
None
1 & 2
Selects
CFG_DN_EN_CNTRL
for pin 2 (U6)
2 & 3
Selects
CFG_STATUS_EN_CNTR
L
RUN_VDDL
J10
Surface Mount
Resistor
None
1 & 2
Selects
CFG_DN_EN_CNTRL
for pin 2 (U8)
2 & 3
Selects
CFG_STATUS_EN_CNTR
L
J47
Surface Mount
Resistor
None
1 & 2 Selects VDDL
to drive VS_VDDL_P
2 & 3 Selects VDDL_REG
J48
Surface Mount
Resistor
None
1 & 2
Selects Remote Sense
GND
to drive VS_VDDL_P
2 & 3 Selects GND