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Table x: General overview of PL I/O signals connected to the B2B connectors.
PL I/O-Banks
| Bank | VCCIO | Available I/O's Count | I/O Count Available On Connectors | Notes |
|---|---|---|---|---|
| 0 | 3.3V | 117 | 4 | 4 I/O's used for JTAG interface, 3 control signals (DONE, PROG_B, INIT). |
| 14 | 3.3V | 12 | 11 | 8 I/O's (4 LVDS pairs) connected to J3, 3 I/O's to XMOD header JB1 (2 UART I/O's, 1 user I/O), 1 I/O to LED D2. |
| 15 | 1.8V | 18 | 0 | Used for optional HyperFlash™ U4. |
| 34 | User select | 42 | 42 | 0-Ohm resistor R17 option to select 1.8V I/O-bank VCCIO. |
| 35 | User select | 42 | 42 | 0-Ohm resistor R25 option to select 1.8V I/O-bank VCCIO. |
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