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| 型号： | PM49FL004T-33VCE |
| 厂商： | PMC-Sierra, Inc. |
| 英文描述： | 2 Mbit / 4 Mbit 3.3 Volt-only Firmware Hub/LPC Flash Memory |
| 中文描述： | 2兆位/ 4兆位3.3伏，只固件集线器/ LPC快闪记忆体 |
| 文件页数： | 32/46页 |
| 文件大小： | 208K |
| 代理商： | PM49FL004T-33VCE |
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Programmable Microelectronics Corp.
Issue Date: December, 2003 Rev: 1.4
32
PMC
Pm49FL002 / 004
AUTOMATIC ERASE
Chart 2. Automatic Erase Flowchart
SECTOR ERASE COMMAND
DEVICE OPERATIONS FLOWCHARTS (CONTINUED)
Start
Write Chip, Sector,
or Block
Erase Command
Data = FFh
or
I/O6 Stop Toggle
Erasure
Completed
Yes
No
Load Data AAh
to
Address 5555h
Load Data 55h
to
Address 2AAAh
Load Data 80h
to
Address 5555h
Load Data AAh
to
Address 5555h
Load Data 55h
to
Address 2AAAh
Load Data 10h
to
Address 5555h
(3)
Load Data AAh
to
Address 5555h
Load Data 55h
to
Address 2AAAh
Load Data 80h
to
Address 5555h
Load Data AAh
to
Address 5555h
Load Data 55h
to
Address 2AAAh
Load Data 30h
to
SA
(1,2,3)
Notes:
1. Please see Table 12 to Table 13 for
Sector/Block Address Tables.
2. Only erase one sector or one block per
erase operation.
3. When the TBL# pin is pulled low (V
IL
),
the boot block will not be erased.
CHIP ERASE COMMAND
BLOCK ERASE COMMAND
Load Data AAh
to
Address 5555h
Load Data 55h
to
Address 2AAAh
Load Data 80h
to
Address 5555h
Load Data AAh
to
Address 5555h
Load Data 55h
to
Address 2AAAh
Load Data 50h
to
BA
(1,2,3)
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