Community Translation: nvSRAMデバイスのAutoStore動作 – KBA232809
Version: **
Question: Is there a potential for the AUTOSTORE cycle to be interrupted if a brownout occurs between 25 ns – 8 ms and will a potential data loss occur?
Answer:
AutoStore operation will be uninterrupted if the power provided by the AutoStore capacitor connected to the VCAP pin matches the datasheet specifications; hence there is no potential for data loss. For details about nvsRAM features, refer to the specific device datasheet.
The device will complete the ongoing AutoStore cycle and initiate power-up RECALL process even if it is interrupted by power-up cycle. When the voltage on the VCC pin drops below VSWITCH during power-down, the device automatically performs AutoStore operation using the voltage from the VCAP capacitor. Note that the AutoStore operation is initiated only if a Write operation has been performed since the last STORE operation (see Figure 1).
Figure 1. AutoStore or Power-Up Recall
