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| Bank | VCCIO | I/O's Count | Available On Connectors | Notes |
|---|---|---|---|---|
| 0 | 3.3V | 7 | 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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Figure 4: Voltage monitor circuit
Power Rails
Power Rail Name | J1 Pins | J2 Pins | J3 Pins | JB1 Pin | Direction | Notes |
|---|---|---|---|---|---|---|
| VIN | 5 | 5 | 5 | - | Input | Power supply voltage |
| 1.8V | - | - | - | 6 | Output | JTAG VCCIO |
| 1.8V_OUT | - | - | - | 6 | Output | - |
| VCCIO34 | - | 6, 45 | - | - | Input | Bank voltage |
| VCCIO35 | 6, 45 | - | - | - | Input | Bank voltage |
Table 13: Board power rails
Bank Voltages
Bank | Bank I/O Voltage VCCO | Voltage Range |
|---|---|---|
| 0 (config) | 1.8V | fixed |
| 14 (HR) | 1.8V | fixed |
| 15 (HR) | 1.8V | fixed |
| 34 (HR) | VCCIO34 | 1.2V ... 3.3V |
| 35 (HR) | VCCIO34 | 1.2V ... 3.3V |
Table 14: Board bank voltages
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