Echelon FTXL Hardware - Manual (Page 55)

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