SPUSI2/NOPB National Semiconductor, SPUSI2/NOPB Datasheet - Page 3

• Manufacturer Part Number: SPUSI2/NOPB
• Description: BOARD EVAL DATA CAPTURE BOARD
• Manufacturer: National Semiconductor

Specifications of SPUSI2/NOPB

• Main Purpose: Interface, Data Capture
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: WEBENCH® Sensor Designer Boards
• Primary Attributes: USB Interface Dongle II
• Secondary Attributes: SPI Interface
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: SPUSI2

2.0 Power Requirements
The SPUSI2 board requires no external power supply. It is powered by the +5V available
on the USB connector. The +5V is regulated down to +3.3V for the Microcontroller.
The +5V and +3V are available on connector J2 on pins 14 and 13 respectively.
3.0 Setup Procedure
Component Description
Test Points
The following table describes both the on-board connectors and the main
components on the SPUSI2 board.
1. Download Sensor Path Control Panel Software onto your computer prior to
TPG1, TPG2, TPG3, TPG4
connecting board to computer:
http://www.national.com/analog/webench/sensors/spusi2
Component
Test Point
TP10
SW1
TP1
TP2
TP3
TP4
TP5
TP6
TP7
U1
D1
D2
D3
J1
J2
Reset Switch for Microcontroller
USB cable connection
3.3V Power Indicator
USB Microcontroller
Data Flow Indicator
Ready Indicator
3P3V (3.3V)
General -use
Description
Description
Ground
DOUT
SCLK
BKPT
CSB
DIN
PE1
PE0