Boot Mode And Clock Ratio Select Switch (Sw10) - Analog Devices ADSP-21262 EZ-KIT Lite Manual

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Table 3-4. Push Button Enable Switch (SW9) Connections
Switch Position Push Button Reference Designator
1
SW1
2
SW2
3
SW3
4
SW4
Position 6 of connects or disconnects the latch-enable pin of the LED
SW9
to the logical " " of the
OR
the latch-enable pin of the LED latch ((
ing the latch transparent. In this position, the value of the LEDs is directly
connected to . When position 6 is "
AD7–0
set by writing to a memory location. The lower 8 bits of the data written
to the address
0x1400 0000
6 is " ", allowing the LEDs to be written by writing to a memory
ON
address. For more information refer to
on page 2-6.

Boot Mode and Clock Ratio Select Switch (SW10)

The switch sets the boot mode and clock multiplier ration.
SW10
shows how to set up the boot mode using positions 1 and 2. By default,
the EZ-KIT Lite boots in SPI master mode and Parallel Port mode, and
the DSP boots from Flash memory.
Table 3-5. Boot Mode Configuration
BOOTCFG1 Pin (Position 2)
OFF
OFF
ADSP-21262 EZ-KIT Lite Evaluation System Manual
EZ-KIT Lite Hardware Reference
and signals. When position is "
~WE ~LED_CS
) is always pulled "
U24
", the values of the LEDs are
ON
set the values of the LEDs. By default, position
"Using LEDs and Push Buttons"
BOOTCFG0 Pin (Position 1)
OFF
ON
DSP Pin
FLAG1
FLAG2
DAI19
DAI20
",
OFF
", mak-
HIGH
Table 3-5
Boot Mode
SPI Slave Boot
SPI Master Boot
3-11