2.3. Pin Description
The following table lists the pins of the Intel® FPGA Download Cable female plug and describes their functions in the JTAG, active serial and passive serial modes.
| Pin | AS Mode | PS Mode | JTAG Mode | |||
|---|---|---|---|---|---|---|
| Signal Name | Description | Signal Name | Description | Signal Name | Description | |
| 1 | DCLK | Clock signal. | DCLK | Clock signal. | TCK | Clock signal. | 
| 2 | GND | Signal ground. | GND | Signal ground. | GND | Signal ground. | 
| 3 | CONF_DONE | Configuration done. | CONF_DONE | Configuration done. | TDO | Data from device. | 
| 4 | VCC(TRGT) | Target power supplied by the device board. | VCC(TRGT) | Target power supplied by the device board. | VCC(TRGT) | Target power supplied by the device board. | 
| 5 | nCONFIG | Configuration control. | nCONFIG | Configuration control. | TMS | JTAG state machine control. | 
| 6 | nCE | Cyclone chip enable. | — | — | — | — | 
| 7 | DATAOUT | Active serial data out. | nSTATUS | Configuration status. | — | — | 
| 8 | nCS | Serial configuration device chip select. | — | — | — | — | 
| 9 | ASDI | Active serial data in. | DATA0 | Data to device. | TDI | Data to device. | 
| 10 | GND | Signal ground. | GND | Signal ground. | GND | Signal ground. |