PF38F5070M0P0B NUMONYX [Numonyx B.V], PF38F5070M0P0B Datasheet - Page 60
PF38F5070M0P0B
Manufacturer Part Number
PF38F5070M0P0B
Description
Numonyx Wireless Flash Memory (W18)
Manufacturer
NUMONYX [Numonyx B.V]
Datasheet
1.PF38F5070M0P0B.pdf
(102 pages)
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Figure 26: Word Program Flowchart
11.2
Datasheet
60
Factory Programming
The standard factory programming mode uses the same commands and algorithm as
the Word Program mode (40h/10h). When V
are drawn through VCC. If VPP is driven by a logic signal, V
V
12 V power supply, the device draws program and erase current directly from VPP. This
eliminates the need for an external switching transistor to control the V
Figure 35, “Examples of VPP Power Supply Configurations” on page 77
of flash power supply usage in various configurations.
PP1
Word Address
Word Address
Status Check
Full Program
Read Status
Read Status
Write Data
Successful
Write 40h,
(if desired)
Min value to perform in-system flash modifications. When VPP is connected to a
Complete
Program
Program
Register
Register
SR[4] =
SR[7] =
SR[3] =
SR[1] =
Start
1
0
0
0
0
1
1
1
Protect Error
V
Suspend
Program
Program
PP
Device
Error
Error
Range
FULL PROGRAM STATUS CHECK PROCEDURE
No
WORD PROGRAM PROCEDURE
Yes
Suspend
Program
Loop
Operation
Operation
Repeat for subsequent programming operations.
Full status register check can be done after each program or
after a sequence of program operations.
SR[3] MUST be cleared before the WSM will allow further
program attempts
Only the Clear Staus Register command clears SR[4:3,1].
If an error is detected, clear the status register before
attempting a program retry or other error recovery.
Standby
Standby
Standby
Standby
Write
Write
Read
Bus
Bus
PP
is at V
Command
Command
Program
Numonyx™ Wireless Flash Memory (W18)
Numonyx™ Wireless Flash Memory (W18)
Setup
Data
PP1
, program and erase currents
Data = 40h
Addr = Location to program (WA)
Data = Data to program (WD)
Addr = Location to program (WA)
Read SRD
Toggle CE# or OE# to update SRD
Check SR[7]
1 = WSM ready
0 = WSM busy
Check SR[3]
1 = V
Check SR[4]
1 = Data program error
Check SR[1]
1 = Attempted program to locked block
PP1
Program aborted
PP
must remain above the
error
Order Number: 290701-18
Comments
Comments
shows examples
PP
voltage.
November 2007
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