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If I am not using all the Stratix IV GX transceivers, what should I do with the transceiver power pins?
The power supply handling for the Stratix IV GX transceiver is shown below.
| pin name | specification | Processing when not in use | |
| VCCA_L | Transceiver high voltage power supply (left side) | GND | |
| VCCA_R | Transceiver high voltage power supply (right side) | GND | |
| VCCHIP_L | Transceiver HIP digital power supply (left side) | GND | |
| VCCHIP_R | Transceiver HIP Digital Power (Right) | GND | |
| VCCR_L | Receiver power supply (left side) | GND | |
| VCCR_R | Receiver power supply (right side) | GND | |
| VCCT_L | Transmitter power supply (left side) | GND | |
| VCCT_R | Transmitter power supply (right side) | GND | |
| VCCL_GXBLn | Transceiver clock supply (left side) | GND | |
| VCCL_GXBRn | Transceiver clock supply (right side) | GND | |
| VCCH_GXBLn | Transmitter output buffer supply (left side) | GND | |
| VCCH_GXBRn | Transmitter output buffer supply (right side) | GND |
Note (9) in the Stratix IV GX Pin Connection Guideline in the URL link below describes the power supply. In addition, detailed information is included, so please be sure to refer to it before finalizing pin processing.
https://www.altera.com/en_US/pdfs/literature/dp/stratix4/pcg-01005.pdf
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