Analog Devices ADSP-BF592 EZ-KIT Lite, Manual

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ADSP-BF592 EZ-KIT Lite Evaluation System Manual 2-9
ADSP-BF592 EZ-KIT Lite Hardware Reference
Reset Push Button (SW7)
The reset push button (
SW7
) resets the processor’s ICs via a hardware reset.
The reset push button does not reset the on-board debug agent. The reset
push button does not reset the following ICs.
• SPI flash (
U4
)
• Audio codec (
U7
)
• UART0 (
U12
)
• Fuel gauge (
U17
)
The reset push button does not reset the debug agent once it has been
connected to a PC. The USB chip is not reset when the push button is
pressed after the USB cable has been plugged in and communication with
the PC has been initialized correctly. After USB communication has been
initialized, the only way to reset the USB chip is by powering down the
board.
Programmable Flag Push Buttons (SW8–9)
Two momentary push buttons (
SW8
and
SW9
) are provided for general-pur-
pose user input. The push buttons are connected to the
PF3
and
PF4
GPIO
pins of the processor, respectively. The push buttons are active high and,
when pressed, send a high (1) to the processor. The push button enable
Table 2-5. Table 10. Fuel Gauge Select Switch (SW6)
SW6 Position Function
1
BAT_GD
2
BAT_LOW
3
SCL
4
SDA