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EN25S20 Datasheet(PDF) 10 Page - Eon Silicon Solution Inc. |
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EN25S20 Datasheet(HTML) 10 Page - Eon Silicon Solution Inc. |
10 / 34 page This Data Sheet may be revised by subsequent versions ©2004 Eon Silicon Solution, Inc., www.eonssi.com or modifications due to changes in technical specifications. 10 EN25S20 Rev. H, Issue Date: 2011/11/07 Table 4. Instruction Set Instruction Name Byte 1 Code Byte 2 Byte 3 Byte 4 Byte 5 Byte 6 n-Bytes Write Enable 06h Write Disable / Exit OTP mode 04h Read Status Register 05h (S7-S0)(3) continuous(4) Write Status Register 01h S7-S0 Read Data 03h A23-A16 A15-A8 A7-A0 (D7-D0) (Next byte) continuous Fast Read 0Bh A23-A16 A15-A8 A7-A0 dummy (D7-D0) (Next Byte) continuous Page Program 02h A23-A16 A15-A8 A7-A0 D7-D0 Next byte continuous Sector Erase / OTP erase 20h A23-A16 A15-A8 A7-A0 Block Erase D8h A23-A16 A15-A8 A7-A0 Chip Erase C7h/ 60h Deep Power-down B9h Release from Deep Power-down, and read Device ID dummy dummy dummy (ID7-ID0) (5) Release from Deep Power-down ABh 00h (M7-M0) (ID7-ID0) Manufacturer/ Device ID 90h dummy dummy 01h (ID7-ID0) (M7-M0) (6) Read Identification 9Fh (M7-M0) (ID15-ID8) (ID7-ID0) (7) Enter OTP mode 3Ah Notes: 1. (BR7-BR0) : The output data of block protection register. 2. The Block Protection Registers contents will repeat continuously until CS# terminates the instruction. 3. Data bytes are shifted with Most Significant Bit first. Byte fields with data in parenthesis “( )” indicate data being read from the device on the DO pin. 4. The Status Register contents will repeat continuously until CS# terminate the instruction. 5. The Device ID will repeat continuously until CS# terminates the instruction. 6. The Manufacturer ID and Device ID bytes will repeat continuously until CS# terminates the instruction. 00h on Byte 4 starts with MID and alternate with DID, 01h on Byte 4 starts with DID and alternate with MID. 7. (M7-M0) : Manufacturer, (ID15-ID8) : Memory Type, (ID7-ID0) : Memory Capacity. Table 5. Manufacturer and Device Identification OP Code (M7-M0) (ID15-ID0) (ID7-ID0) ABh 71 90h 1Ch 71 9Fh 1Ch 3812h |
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