ADSP-21479 EZ-Board Evaluation System Manual
2-13
ADSP-21479 EZ-Board Hardware Reference
DPI [9–14] Enable Switch (SW14)
The DPI [9–14] enable switch (
SW14
) disconnects DPI pins nine through
14 on the processors from the associated peripherals on the EZ-Board and
allows the DPI signals to be used on the expansion II interface. See
Table 2-10. External Port Enable Switch (SW13)
SW13
Position
Processor Pin
Peripheral
Peripheral Net Switch Setting
(Default)
SW13.1
MS0
SDRAM
SDRAM_CS
ON
SW13.2
MS1
Parallel flash
memory
FLASH_CS
ON
SW13.3
FLAG1
/
IRQ1
Push buttons
PB1
ON
SW13.4
FLAG2
/
IRQ2
/
MS2
Push buttons
PB2
ON
SW13.5
FLAG3
/
MS3
SRAM
SRAM_CS
ON
SW13.6
WDTRSTO
(Watch Dog
Rest Out)
Reset Supervi-
sory IC
WDTRSTO
OFF
Table 2-11. DPI [9–14] Enable Switch (SW14)
SW14
Position
DPI Pin
Peripheral
Peripheral Net Switch Setting
(Default)
SW14.1
DPI_P9
UART
UART_TX
ON
SW14.2
DPI_P10
UART
UART_RX
ON
SW14.3
DPI_P11
UART
UART_RTS
OFF
SW14.4
DPI_P12
UART
UART_CTS
OFF
SW14.5
DPI_P13
LEDs
LED2
ON
SW14.6
DPI_P14
LEDs
LED3
ON