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| Warning |
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Each pin of B2B connectors JM4 and JM5 is capable of a maximum current of 1.0 A. |
| Scroll pdf title |
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| title | On-board power rails summary. |
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power-rail
name | nominal
voltage (V) | maximum
current (A) | power
source | system
supply | user
supply | Vb2b | 4.0 to 7.0 | 4.0 (4 pin × 1.0 A/pin) | JM5 | module | - | Vusb | 5.0 | 0.5 | J1 | module | - | Vsup | 4.0 to 7.0 | < 0.5 | Vusb | 3 × DC/DC DC/DC sync power-fail | JM5 (≤1.0 A) | < 4 | Vb2b | 3.3V | 3.3 | 3.0 | Vsup â-º DC/DC | module | JM4 (≤1.0 A) JM5 (≤1.0 A) | 2.5V | 2.5 | 3.0 | Vsup â-º DC/DC | DDR SDRAM | JM5 (≤1.0 A) | 1.2V | 1.2 | 3.0 | Vsup â-º DC/DC | VCCINT | JM5 (≤1.0 A) | VCCAUX | 2.5 | 0.3 | 3.3V â-º LDO | VCCAUX | JM4 (≤1.0 A) | 3.3 | < 3.0 | 3.3V | VCCCIO0 | 2.5 | < 3.0 | 2.5V | VCCO
(bank 0) | JM4 (≤1.0 A) | 3.3 | < 3.0 | 3.3V | JM4 (≤1.0 A) | 1.10 to 3.60 | 2.0 (2 pin × 1.0 A/pin) | JM4 (30 + 44) | JM4 (30 / 44) | |
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| Scroll pdf title |
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| title | Assembly combination for power supply through J1. |
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| Warning |
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Any other assembly combination of R9, R11 and R12 is not allowed. |
On Board Power Rails
According to the Xilinx Spartan-3A DSP literature, there are the following power supply pin types:
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