參數(shù)資料
型號： M30L0T8000B0ZAQE
廠商： STMICROELECTRONICS
元件分類： PROM
英文描述： 16M X 16 FLASH 1.8V PROM, 85 ns, PBGA88
封裝： 8 X 10 MM, 0.80 MM PITCH, LEAD FREE, BGA-88
文件頁數(shù)： 20/103頁
文件大?。?/td> 794K
代理商： M30L0T8000B0ZAQE
M30L0T8000T0, M30L0T8000B0
Command interface
23/103
4.9
Buffer Enhanced Factory Program Command
The Buffer Enhanced Factory Program command has been specially developed to speed up
programming in manufacturing environments where the programming time is critical.
It is used to program one or more Write Buffer(s) of 32 Words to a block. Once the device
enters Buffer Enhanced Factory Program mode, the Write Buffer can be reloaded any
number of times as long as the address remains within the same block. Only one block can
be programmed at a time.
The use of the Buffer Enhanced Factory Program command requires certain operating
conditions:
●
VPP must be set to VPPH
●
VDD must be within operating range
●
Ambient temperature TA must be 30°C ± 10°C
●
The targeted block must be unlocked
●
The start address must be aligned with the start of a 32 Word buffer boundary
●
The address must remain the Start Address throughout programming.
Dual operations are not supported during the Buffer Enhanced Factory Program operation
and the command cannot be suspended.
If the block is protected, then the Buffered Enhanced Factory Program operation will abort.
The data in the block will not be changed as a result and the Status Register will output the
error.
The Buffer Enhanced Factory Program Command consists of three phases: the Setup
Phase, the Program and Verify Phase, and the Exit Phase, Please refer to Table 6: Factory
Program Command for detail information.
4.10
Setup Phase
The Buffer Enhanced Factory Program command requires two Bus Write cycles to initiate
the command.
●
The first Bus Write cycle sets up the Buffer Enhanced Factory Program command.
●
The second Bus Write cycle confirms the command.
After the confirm command is issued, read operations output the contents of the Status
Register. The read Status Register command must not be issued as it will be interpreted as
data to program.
The Status Register P/E.C. Bit SR7 should be read to check that the P/E.C. is ready to
proceed to the next phase.
If an error is detected, SR4 goes high (set to ‘1’) and the Buffer Enhanced Factory Program
operation is terminated. See Status Register section for details on the error.
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