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| Bit | Description |
|---|---|
| 0 | enable INT1 |
| 1 | enable INT2 |
| 2 | enable RTC_INT |
| 3 | enable PHY_LED2 |
| 4 | OTG_RST |
| 5 | ETH_RST |
| 6 | MMC_RST |
| 7 | EN_ETH_CLK (not CR3, default enabled) |
CR3 bit description
Interrupt can be selected instead of PHY_LED2 on XIO6 pin, by setting CR2 bits 11 downto 8 to "0111"
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