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IS25LP032D-RKLA3:P 数据表(PDF) 27 Page - Integrated Silicon Solution, Inc |
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IS25LP032D-RKLA3:P 数据表(HTML) 27 Page - Integrated Silicon Solution, Inc |
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27 / 118 page  IS25LP032D IS25WP032D Integrated Silicon Solution, Inc.- www.issi.com 27 Rev. A12 08/04/2020 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 EB7 EB6 EB5 EB4 EB3 EB2 EB1 EB0 ODS2 ODS1 ODS0 Reserved E_ERR P_ERR PROT_E WIP Default 1 1 1 1 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 an Program operation failure or protection error R Volatile EB3 E_ERR Erase Error Bit: "0" indicates no error "1" indicates a Erase operation failure or protection error R Volatile EB4 Reserved Reserved R Reserved 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 12.50% 0 1 0 25% 0 1 1 37.50% 1 0 0 Reserved 1 0 1 75% 1 1 0 100% 1 1 1 50% Default |
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