These are general purpose I/O signals that you can use to
control external devices, such as a Delay-Locked Loop (DLL). Table A.5 shows the user
signals.
Table A.5. User signals
| Signal | Type | Source or destination | Description |
|---|
| user_config0[USER_CONFIG0_WIDTH–1:0] | Output | External control logic | General purpose control signals that you program
using the User Config 0 Register. |
| user_config1[USER_CONFIG1_WIDTH–1:0] | Output | External control logic | General purpose control signals that you program
using the User Config 1 Register. |
| user_status[USER_STATUS_WIDTH–1:0] | Input | External control logic | General purpose input signals that are read
using the User Status Register. |
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