Hardware Owner's manual

Table Of Contents
FTXL Hardware Guide 47
chipselect: Select signal to enable access to the LED
write_n: Write-select signal to write to the LED
writedata: Data signal to the LED
out_port: Output signal from the LED
FTXL Service Pin
The FTXL service pin component defines the signals needed for an FTXL device
service-pin button, including:
clk: Nios II processor clock signal
reset_n: Nios II processor reset signal
address: 2-bit address signal for the service pin button
chipselect: Select signal to enable access to the service pin button
write_n: Write-select signal to write to the service pin button
writedata: Data signal to the service pin button
readdata: Data signal from the service pin button
irq: Interrupt signal from the service pin button
in_port: Input signal to the service pin button
FTXL Transceiver Interrupt
The FTXL Transceiver interrupt component defines the signals needed for the
FTXL Transceiver interrupt pin, including:
clk: Nios II processor clock signal
reset_n: Nios II processor reset signal
address: 2-bit address signal for the interrupt pin
chipselect: Select signal to enable access to the interrupt pin
write_n: Write-select signal to write to the interrupt pin
writedata: Data signal to the interrupt pin
readdata: Data signal from the interrupt pin
irq: Interrupt signal from the interrupt pin
in_port: Input signal to the interrupt pin
FTXL Transceiver Reset
The FTXL Transceiver reset component defines the signals needed for the FTXL
Transceiver reset pin, including:
clk: Nios II processor clock signal
reset_n: Nios II processor reset signal
address: 2-bit address signal for the reset pin