Expansion Header - National Semiconductor ADC081500DEV Instruction Manual

10.2 Expansion Header

A 72 pin Future Bus Expansion Header is provided on the rear panel to allow easy connection to a third
party microprocessor board to allow for the reading and analysis of the data captured by the FPGA.
The signals connector to this expansion bus will be as follows
PIN DESCRIPTION
A1 I2C - SDA
A2 I2C - SCL
A3 SSP - SERIAL DATA
A4 SSP - SERIAL CLOCK
A5 FPGA RESET
A6 READ FIFO
A7 WRITE FIFO
A8 FIFO FULL
A9 FIFO EMPTY
A10 ADC DCLK RESET
A11 FPGA CONF DONE
A12 FPGA JTAG – TMS
A13 FPGA JTAG - TCK
A14 FPGA JTAG – TDI
A15 FPGA JTAG – TDO
A16 notSHUTDOWN
A17 3.3V SUPPLY
A18 12V SUPPLY
C1 DATA BUS A P0 (LVDS or CMOS)
C2 DATA BUS A P1 (LVDS or CMOS)
C3 DATA BUS A P2 (LVDS or CMOS)
C4 DATA BUS A P3 (LVDS or CMOS)
C5 DATA BUS A P4 (LVDS or CMOS)
C6 DATA BUS A P5 (LVDS or CMOS)
C7 DATA BUS A P6 (LVDS or CMOS)
C8 DATA BUS A P7 (LVDS or CMOS)
C9 INPUT STROBE P
C10 DATA BUS B P0 (LVDS or CMOS)
C11 DATA BUS B P1 (LVDS or CMOS)
C12 DATA BUS B P2 (LVDS or CMOS)
C13 DATA BUS B P3 (LVDS or CMOS)
C14 DATA BUS B P4 (LVDS or CMOS)
C15 DATA BUS B P5 (LVDS or CMOS)
C16 DATA BUS B P6 (LVDS or CMOS)
C17 DATA BUS B P7 (LVDS or CMOS)
C18 OUTPUT STROBE P
The Data busses on this header can be configured as follows
•
Two 8 bit busses with LVDS differential signaling, plus two LVDS strobes
•
Four 8 bit busses with LVCMOS (3.3V IO) signaling plus four CMOS strobes
All control signals on pins A1 to A15 will be at LVCMOS 3.3V levels.
PIN DESCRIPTION
B1 GROUND
B2 GROUND
B3 GROUND
B4 GROUND
B5 GROUND
B6 GROUND
B7 GROUND
B8 GROUND
B9 GROUND
B10 GROUND
B11 GROUND
B12 GROUND
B13 GROUND
B14 GROUND
B15 GROUND
B16 GROUND
B17 GROUND
B18 GROUND
D1 DATA BUS A N0 (LVDS or CMOS)
D2 DATA BUS A N1 (LVDS or CMOS)
D3 DATA BUS A N2 (LVDS or CMOS)
D4 DATA BUS A N3 (LVDS or CMOS)
D5 DATA BUS A N4 (LVDS or CMOS)
D6 DATA BUS A N5 (LVDS or CMOS)
D7 DATA BUS A N6 (LVDS or CMOS)
D8 DATA BUS A N7 (LVDS or CMOS)
D9 INPUT STROBE N
D10 DATA BUS B N0 (LVDS or CMOS)
D11 DATA BUS B N1 (LVDS or CMOS)
D12 DATA BUS B N2 (LVDS or CMOS)
D13 DATA BUS B N3 (LVDS or CMOS)
D14 DATA BUS B N4 (LVDS or CMOS)
D15 DATA BUS B N5 (LVDS or CMOS)
D16 DATA BUS B N6 (LVDS or CMOS)
D17 DATA BUS B N7 (LVDS or CMOS)
D18 OUTPUT STROBE N
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