National Semiconductor
DAC161P997EVAL User’s Guide
2011 National Semiconductor Corporation Page 4 of 11 Rev: 0.00
3. Kit Assembly
1.
Plug in the DAC161P997EVAL board into 32 pin header of the SPIO4 board
2.
Plug in the USB cable into the SPIO4 board socket
3.
Plug in the USB cable to the USB port on the host PC
If this is the first time this evaluation system is connected to host PC, the operating system will
attempt to install the USB driver software for the SPIO4 board. Follow the instruction on the
screen and direct the operating system to search for appropriate drivers in the
installation_directory
\Drivers\NSC_USB_v1.0.8.0
4.
Connect DAC161P997 Test Board to the Loop supply (up to 40V DC )
Complete evaluation system is shown below
SPIO4
DAC161P997
CPU Reset
VDDIO
Header: SHUNT MUST ALWAYS
BE IN POSITION [1, 2] (here: LEFT and
CENTRE)
5V Supply
LOCAL LDO
Header: shunt
is inserted by default
ERRLVL SEL
Header: shunt is
inserted in position [1,2]
(here: COM and CENTRE)
SWIF test points
HART input