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參數(shù)資料
| 型號(hào)： | M58WR064HU70ZB6U |
| 元件分類： | PROM |
| 英文描述： | 4M X 16 FLASH 1.8V PROM, 70 ns, PBGA44 |
| 封裝： | 7.70 X 9 MM, 0.50 MM PITCH, ROHS COMPLIANT, VFBGA-44 |
| 文件頁(yè)數(shù)： | 37/117頁(yè) |
| 文件大?。?/td> | 2300K |
| 代理商： | M58WR064HU70ZB6U |
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Command interface - Standard commands
M58WR064HU M58WR064HL
26/117
5.12
Block Lock command
The Block Lock command is used to lock a block and prevent Program or Erase operations
from changing the data in it. All blocks are locked at power-up or reset.
Two Bus Write cycles are required to issue the Block Lock command.
The first bus cycle sets up the Block Lock command.
The second Bus Write cycle latches the block address.
The lock status can be monitored for each block using the Read Electronic Signature
command. Table 15 shows the Lock Status after issuing a Block Lock command.
The Block Lock bits are volatile, once set they remain set until a hardware reset or power-
down/power-up. They are cleared by a Block Unlock command. Refer to Section 11: Block
flowchart and pseudo code, for a flowchart for using the Lock command.
5.13
Block Unlock command
The Block Unlock command is used to unlock a block, allowing the block to be programmed
or erased. Two Bus Write cycles are required to issue the Block Unlock command.
The first bus cycle sets up the Block Unlock command.
The second Bus Write cycle latches the block address.
The lock status can be monitored for each block using the Read Electronic Signature
command. Table 15 shows the protection status after issuing a Block Unlock command.
Locking Operations flowchart and pseudo code, for a flowchart for using the Unlock
command.
5.14
Block Lock-Down command
A locked or unlocked block can be locked-down by issuing the Block Lock-Down command.
A locked-down block cannot be programmed or erased, or have its protection status
changed when WP is low, VIL. When WP is high, VIH, the Lock-Down function is disabled
and the locked blocks can be individually unlocked by the Block Unlock command.
Two Bus Write cycles are required to issue the Block Lock-Down command.
The first bus cycle sets up the Block Lock command.
The second Bus Write cycle latches the block address.
The lock status can be monitored for each block using the Read Electronic Signature
command. Locked-Down blocks revert to the locked (and not locked-down) state when the
device is reset on power-down. Table 15 shows the Lock Status after issuing a Block Lock-
Down command. Refer to Section 11: Block locking, for a detailed explanation and
Appendix C, Figure 29: Locking Operations flowchart and pseudo code, for a flowchart for
using the Lock-Down command.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M58WR064KB70ZB6E | 制造商:Micron Technology Inc 功能描述:WIRELESS FLASH VFBGA 7.7X9.0X1.0 56 8X7 0.75 - Trays 制造商:Micron Technology Inc 功能描述:IC FLASH 64MBIT 70NS 56VFBGA |
| M58WR064KB70ZB6F | 制造商:Micron Technology Inc 功能描述:FLASH 28F640W18TD 60 VF-PBGA56 SB48 EX - Tape and Reel |
| M58WR064KB70ZB6F TR | 制造商:Micron Technology Inc 功能描述:IC FLASH 64MBIT 70NS 56VFBGA |
| M58WR064KB7AZB6E | 制造商:Micron Technology Inc 功能描述:WIRELESS - Trays 制造商:Micron Technology Inc 功能描述:IC FLASH 64MBIT 70NS 56VFBGA |
| M58WR064KB7AZB6F | 制造商:Micron Technology Inc 功能描述:WIRELESS - Tape and Reel |
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