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S25FL256SDPNFAQ Datasheet(PDF) 54 Page - Cypress Semiconductor |
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S25FL256SDPNFAQ Datasheet(HTML) 54 Page - Cypress Semiconductor |
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54 / 149 page ![]() Document Number: 001-98283 Rev. *M Page 53 of 148 S25FL128S/S25FL256S 7.5.3 Status Register 2 (SR2) Related Commands: Read Status Register 2 (RDSR2 07h). Erase Suspend (ES) SR2[1] : The Erase Suspend bit is used to determine when the device is in Erase Suspend mode. This is a status bit that cannot be written. When Erase Suspend bit is set to 1, the device is in erase suspend mode. When Erase Suspend bit is cleared to 0, the device is not in erase suspend mode. Refer to Erase Suspend and Resume Commands (75h) (7Ah) for details about the Erase Suspend/Resume commands. Program Suspend (PS) SR2[0]: The Program Suspend bit is used to determine when the device is in Program Suspend mode. This is a status bit that cannot be written. When Program Suspend bit is set to 1, the device is in program suspend mode. When the Program Suspend bit is cleared to 0, the device is not in program suspend mode. Refer to Section 9.5.4 Program Suspend (PGSP 85h) and Resume (PGRS 8Ah) on page 105 for details. 7.5.4 AutoBoot Register Related Commands: AutoBoot Read (ABRD 14h) and AutoBoot Write (ABWR 15h). The AutoBoot Register provides a means to automatically read boot code as part of the power-on reset, hardware reset, or software reset process. Table 30. Status Register 2 (SR2) Bits Field Name Function Type Default State Description 7 RFU Reserved 0 Reserved for Future Use 6 RFU Reserved 0 Reserved for Future Use 5 RFU Reserved 0 Reserved for Future Use 4 RFU Reserved 0 Reserved for Future Use 3 RFU Reserved 0 Reserved for Future Use 2 RFU Reserved 0 Reserved for Future Use 1 ES Erase Suspend Volatile, Read only 0 1 = In erase suspend mode 0 = Not in erase suspend mode 0 PS Program Sus- pend Volatile, Read only 0 1 = In program suspend mode 0 = Not in program suspend mode Table 31. AutoBoot Register Bits Field Name Function Type Default State Description 31 to 9 ABSA AutoBoot Start Address Non-Volatile 000000h 512 byte boundary address for the start of boot code access 8 to 1 ABSD AutoBoot Start Delay Non-Volatile 00h Number of initial delay cycles between CS# going low and the first bit of boot code being transferred 0 ABE AutoBoot Enable Non-Volatile 0 1 = AutoBoot is enabled 0 = AutoBoot is not enabled |
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