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AT91SAM3U1C Datasheet(PDF) 5 Page - ATMEL Corporation |
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AT91SAM3U1C Datasheet(HTML) 5 Page - ATMEL Corporation |
5 / 7 page 5 6483A–ATARM–04-Aug-09 ATSAM3U Errata Use NCS1 available on PC12 (Peripheral A) or use a another chip select or drive the chip select by software. Problem Fix This issue will be fixed in the next revision. 1.2.8 Backup Mode 1.2.8.1 Backup mode: VDDUTMI current consumption in Backup mode In Backup mode, the current consumption measured on VDDUMTI can be around 500 µA instead of less than 0.1 µA. Workaround Disable externally the voltage on VDDUTMI in Backup mode. Problem Fix This issue will be fixed in the next revision. 1.2.8.2 Backup mode: the PIO states are not kept When entering in Backup mode with WFE command, the PIO states are not kept. All the PIOs go into input with pull-up state in Backup mode. Workaround .Instead of using the WFE command to go into Backup mode, set the VROFF bit (SUPC_CR). Problem Fix This issue will be fixed in the next revision. 1.2.9 Wait Mode 1.2.9.1 Wait mode: VDDCORE current consumption Some parts may show a higher current consumption than expected (50 µA instead of 5 µA) on VDDCORE. Workaround None. Problem Fix This issue will be fixed in the next revision. |
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