M95320-R Просмотр технического описания (PDF) - STMicroelectronics
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M95320-R Datasheet PDF : 48 Pages
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Instructions
6
Instructions
M95320-W M95320-R M95320-DR
Each instruction starts with a single-byte code, as summarized in Table 3.
If an invalid instruction is sent (one not contained in Table 3), the device automatically
deselects itself.
Table 3. Instruction set
Instruction
Description
WREN
Write Enable
WRDI
Write Disable
RDSR
WRSR
Read Status Register
Write Status Register
READ
Read from Memory Array
WRITE
Write to Memory Array
Instruction format
0000 0110
0000 0100
0000 0101
0000 0001
0000 0011
0000 0010
Table 4. M95320-DR instruction set
Instruction
Description
WREN
Write Enable
WRDI
Write Disable
RDSR
Read Status Register
WRSR
Write Status Register
READ
Read from Memory Array
WRITE
Write to Memory Array
Read Identification
Page
Reads the page dedicated to identification.
Write Identification
Page
Writes the page dedicated to identification.
Read Lock Status Reads the lock status of the Identification Page.
Lock ID
Locks the Identification page in read-only mode.
1. Address bit A10 must be 0, all other address bits are Don't Care.
2. Address bit A10 must be 1, all other address bits are Don't Care.
Instruction
format
0000 0110
0000 0100
0000 0101
0000 0001
0000 0011
0000 0010
1000 0011(1)
1000 0010(1)
1000 0011(2)
1000 0010(2)
Table 5. Address range bits
Address significant bits
1. Upper MSBs are Don’t Care.
A11-A0(1)
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Doc ID 5711 Rev 14
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