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IS25LE02GG-RHLA2:P-TY 数据表(PDF) 29 Page - Integrated Silicon Solution, Inc |
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IS25LE02GG-RHLA2:P-TY 数据表(HTML) 29 Page - Integrated Silicon Solution, Inc |
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29 / 187 page  IS25LE02GG IS25WE02GG Integrated Silicon Solution, Inc.- www.issi.com 29 Rev. A1 10/02/2025 6.3.2 EXTENDED READ REGISTER Table 6.12 and Table 6.13 define all bits that control features in SPI/QPI modes. The ODS2, ODS1, ODS0 (EB7, EB6, EB5) bits provide a method to set and control driver strength. The four bits (EB3, EB2, EB1, EB0) are read- only bits and may be checked to know what the WIP status is or whether there is an error during an Erase, Program, or Write/Set Register operation. These bits are not affected by SERPNV or SERPV commands. EB4 bit remains reserved for future use. The SET EXTENDED READ PARAMETERS Operations (SERPNV: 85h, SERPV: 83h) are used to set all the Extended Read Register bits, and can thereby define the output driver strength used during READ modes. SRPNV is used to set the non-volatile register and SRPV is used to set the volatile register. Table 6.12 Extended Read Register Bit Table Bit EB7 EB6 EB5 EB4 EB3 EB2 EB1 EB0 Name ODS2 ODS1 ODS0 DLPEN E_ERR P_ERR PROT_E WIP Default 1 1 1 0 0 0 0 0 Table 6.13 Extended Read Register Bit Definition Bit Name Definition Read- /Write Type EB0 WIP Write In Progress Bit: Has exactly same function as the bit0 (WIP) of Status Register “0”: Ready, “1”: Busy R Volatile EB1 PROT_E Protection Error Bit: "0" indicates no error "1" indicates protection error in an Erase or a Program operation R Volatile EB2 P_ERR Program Error Bit: "0" indicates no error "1" indicates a Program operation failure or protection error R Volatile EB3 E_ERR Erase Error Bit: "0" indicates no error "1" indicates an Erase operation failure or protection error R Volatile EB4 DLPEN DLP Enable Bit "0" indicates Disable "1" indicates Enable R/W Non-Volatile and Volatile EB5 ODS0 Output Driver Strength: Output Drive Strength can be selected according to Table 6.14 R/W Non-Volatile and Volatile EB6 ODS1 R/W Non-Volatile and Volatile EB7 ODS2 R/W Non-Volatile and Volatile Table 6.14 Driver Strength Table ODS2 ODS1 ODS0 Description Remark 0 0 0 Reserved 0 0 1 90 ohms 0 1 0 60 ohms 0 1 1 45 ohms 1 0 0 Reserved 1 0 1 20 ohms 1 1 0 15 ohms 1 1 1 30 ohms Default |
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