PF38F5070M0Y0T0 NUMONYX [Numonyx B.V], PF38F5070M0Y0T0 Datasheet - Page 53

• Manufacturer Part Number: PF38F5070M0Y0T0
• Description: Numonyx StrataFlash Wireless Memory
• Manufacturer: NUMONYX [Numonyx B.V]

Numonyx™ StrataFlash
11.3.4
11.4
11.5
11.6
November 2007
Order Number: 313295-04
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.
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
“Program Suspend/Resume Flowchart” on page
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
Characteristics” on page
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. V
unchanged while in program suspend. If RST# is asserted, the device is reset.
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
(see
Program Protection
When V
V
error. Block lock registers are not affected by the voltage level on V
programmed and read, even if V
PP
is below V
Figure 32, “Program Suspend/Resume Flowchart” on page
®
Wireless Memory (L18 AD-Mux)
PP
= V
IL
PPLK
, absolute hardware write protection is provided for all device blocks. If
PP
, programming operations halt and SR[3] is set indicating a V
must remain at its programming level, and WP# must remain
32.
PP
is less than V
77).
Section 7.7, “Program and Erase
PPLK
.
77).
PP
; they may still be
Figure 32,
PP
Datasheet
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53