Analog Devices AD5162 User Manual page 6

Evaluation Board User Manual
AD5162 Parallel Port Connection (Information for Visual Basic Program Developers Only)
DGND SDO/O1
SDA_Read
http://www.doc.ic.ac.uk/~ih/doc/par/
8 output pins accessed via the DATA Port
5 input pins (one inverted) accessed via the STATUS Port
4 output pins (three inverted) accessed via the CONTROL Port
The remaining 8 pins are grounded
TIMING DEFINATION IN VISUAL BASIC SOURCE CODE cmdRUN
/CS
bit 2
(Pin 4)
bit 1
CLK
(Pin 3)
bit 0
SDI
(Pin 2)
Binary Code
Decimal Code
No Activity
Rev B 11/03/03
SHDN VDD DIS
1100 1001 1011 1000 1010
12 9 11 8
Send out
BIT_TOGO=0
256-Position SPI Compatible
Dual Digital Potentiometer
RES/AD1 CS/AD0 CLK/SCL
portID = Val("&H" + "378") [378h = 888]
portID = Val("&H" + "379") [379h = 889]
portID = Val("&H" + "37A") [37Ah = 890]
10
6
AD5162
SDI/SDA
1100
12
Latch Data