Lab 4 SPI DAC notes Lab 4 SPI DAC notes jgh 5/10/07jgh 5/10/07

• References:References:– CPE 329 lecture 8 on DACCPE 329 lecture 8 on DAC– CPE 329 lecture 11 on SPICPE 329 lecture 11 on SPI– EDK OPB Serial Peripheral Interface (SPI) EDK OPB Serial Peripheral Interface (SPI)

(v1.00d)(v1.00d)– Digilent PmodDA2 Digital to Analog Module Digilent PmodDA2 Digital to Analog Module

Converter Board Reference Manual and Converter Board Reference Manual and Schematic DiagramSchematic Diagram

– National Semiconductor DAC121S101 data National Semiconductor DAC121S101 data sheetsheet

Clarification on SPIRS(29) Tx_Empty for polling:When FIFO doesn’t exist, this bit is set, i.e., equals ‘1’, with the completion of a SPI transmit.