Configuring Peripherals Using SRU2
4-74 ADSP-21368 SHARC Processor Hardware Reference
SRU(DPI_PB11_O, TWI_DATA_I); /* DPI pin 11 output connected
to TWI data input */
SRU(LOW,DPI_PB12_I) /* Since TWI output is an open-drain
output, the TWI pin is connected
to logic level low */
SRU2(TWI_CLK_PBEN_O,DPI_PBEN12_I) /* TWI clock connected to DPI
pin 12
*/
Listing 4-2. TWI Master Receive Mode
SRU(DPI_PB11_O,TWI_DATA_I) /* DPI pin 11 output connected to
TWI data input */
SRU(LOW,DPI_PB11_I) /* Since TWI output is an open-drain
output the TWI pin is connected to
logic level low */
SRU(TWI_DATA_PBEN_O,DPI_PBEN11_I) ) /* TWI data output
connected to DPI pin 11
input */
SRU(LOW,DPI_PB12_I) ) /* Since TWI output is an open-drain
output the TWI pin is connected to
logic level low */
SRU(TWI_CLK_PBEN_O,DPI_PBEN12_I) /* TWI Clock connected to DPI
pin 12