SPIO-4/NOPB National Semiconductor, SPIO-4/NOPB Datasheet - Page 5

• Manufacturer Part Number: SPIO-4/NOPB
• Description: BOARD INTERFACE FOR AFE
• Manufacturer: National Semiconductor

Specifications of SPIO-4/NOPB

• Main Purpose: Interface, Analog Front End (AFE)
• Embedded: Yes, MCU, 32-Bit
• Utilized Ic / Part: SAM3U, XC6SLX16
• Primary Attributes: USB Powered or External Supply
• Secondary Attributes: GUI, I2C, SPI, USB Interfaces
• Accessory Type: Digital Interface Board
• Msl: MSL 1 - Unlimited
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: SPI0-4/NOPB; SPI0-4/NOPB

National Semiconductor
1.4 Component Description
The following table describes both the on-board connectors and the main components used in the SPIO-4
System shown in Figure 1.
Component
J1
J2
J3
J4
J6
J7 (micro_SD)
J8
J9
J10
J14
JP1
U1
U4
U5
D1-D4
D6
D7
D8
D10
D11
SW1
SW2
1.5 SPIO-4 Board Test Points
The following table describes the main Test Points available.
Test point
TP1, TP3, TP16, TP18(GND)
TP11
TP12
TP13
TP14
TP15
(DBG)
(GPSI-32)
(USB)
(JTAG)
(POWER)
(USNAP)
1.4.1.1
Serial Debug connector
Header to provide access to the FPGA’s JTAG interface for debug
Jumper to select J4 IO voltage (3.3V or programmable)
Debug/Development Connector(See section 2.6).
GPSI-16/32 Connector to DUT.
This holds the microSD card for storage or development purposes
USB cable Connection.
Atmel Processor JTAG Debug Header.
+5-6V Power Supply Connection –Optional (See Section Error! Reference
source not found.).
Additional header providing power and serial interface to processor
Jumpers for test purposes only.
Atmel SAM3U Processor
8Mx16 PSRAM
Xilinx Spartan LX16 FPGA
FPGA Status LEDs (See section 2.4)
1.8V PSRAM Core voltage Surface mount power LED.
3.3V DUT supply voltage Surface mount power LED.
5.0V DUT supply voltage Surface mount power LED.
USB input power LED.
1.2V FPGA Core voltage Surface mount power LED.
Reset switch
Power On pushbutton
Table 1 - Main component reference designators
Description
Description
Ground test points.
3.3V Digital IO Voltage for SPIO Board
1.2V for FPGA core voltage
1.8V for PSRAM core voltage
3.3V for DUT Digital Supply
5.0V for DUT Analog Supply
Table 2 - Test Points
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