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参数资料
| 型号： | PF38F40L0YUQ0 |
| 厂商： | NUMONYX |
| 元件分类： | PROM |
| 英文描述： | 16M X 16 FLASH 1.8V PROM, PBGA88 |
| 封装： | 8 X 11 MM, 1 MM HEIGHT, ROHS COMPLIANT, VFBGA-88 |
| 文件页数： | 52/99页 |
| 文件大小： | 1419K |
| 代理商： | PF38F40L0YUQ0 |
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Intel StrataFlash Wireless Memory (L18)
Intel StrataFlash Wireless Memory (L18) with A/D-Multiplexed I/O
Datasheet
July 2006
56
Order Number: 313295-002US
11.3.4
Buffered EFP Exit Phase
When SR[7] is set, the device has returned to normal operating conditions. A full status
check should be performed at this time to ensure the entire block programmed
successfully. After Buffered EFP exit, any valid command can be issued to the device.
11.4
Program Suspend
Issuing the Program Suspend command while programming suspends the
programming operation. This allows data to be accessed from memory locations other
than the one being programmed. The Program Suspend command can be issued to any
device address; the corresponding partition is not affected. A program operation can be
suspended to perform reads only. Additionally, a program operation that is running
during an erase suspend can be suspended to perform a read operation (see Figure 32,
When a programming operation is executing, issuing the Program Suspend command
requests the WSM to suspend the programming algorithm at predetermined points. The
partition that is suspended continues to output Status Register data after the Program
Suspend command is issued. Programming is suspended when Status Register bits
SR[7,2] are set. Suspend latency is specified in Section 7.7, “Program and Erase
To read data from blocks within the suspended partition, the Read Array command
must be issued to that partition. Read Array, Read Status Register, Read Device
Identifier, CFI Query, program RCR and Program Resume are valid commands during a
program suspend.
A program operation does not need to be suspended in order to read data from a block
in another partition that is not programming. If the other partition is already in a Read
Array, Read Device Identifier, or CFI Query state, issuing a valid address returns
corresponding read data. If the other partition is not in a read mode, one of the read
commands must be issued to the partition before data can be read.
During a program suspend, deasserting CE# places the device in standby, reducing
active current. VPP must remain at its programming level, and WP# must remain
unchanged while in program suspend. If RST# is asserted, the device is reset.
11.5
Program Resume
The Resume command instructs the device to continue programming, and
automatically clears Status Register bits SR[7,2]. This command can be written to any
partition. When read at the partition that’s programming, the device outputs data
corresponding to the partition’s last state. If error bits are set, the Status Register
should be cleared before issuing the next instruction. RST# must remain deasserted
11.6
Program Protection
When VPP = VIL, absolute hardware write protection is provided for all device blocks. If
VPP is below VPPLK, programming operations halt and SR[3] is set indicating a VPP-level
error. Block lock registers are not affected by the voltage level on VPP; they may still be
programmed and read, even if VPP is less than VPPLK.
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