GE28F320C3BD70 Intel, GE28F320C3BD70 Datasheet - Page 56

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GE28F320C3BD70

Manufacturer Part Number
GE28F320C3BD70
Description
Manufacturer
Intel
Datasheet

Specifications of GE28F320C3BD70

Density
32Mb
Access Time (max)
70ns
Interface Type
Parallel
Boot Type
Bottom
Address Bus
21b
Operating Supply Voltage (typ)
3/3.3V
Operating Temp Range
-40C to 85C
Package Type
VFBGA
Sync/async
Asynchronous
Operating Temperature Classification
Industrial
Operating Supply Voltage (min)
2.7V
Operating Supply Voltage (max)
3.6V
Word Size
16b
Number Of Words
2M
Supply Current
18mA
Mounting
Surface Mount
Pin Count
48
Lead Free Status / Rohs Status
Not Compliant
Appendix B Flow Charts
Figure 17: Word Program Flowchart
Datasheet
56
Word Address
Word Address
Read Status
Read Status
Write 0x40,
Write Data,
Full Status
(if desired)
Successful
Complete
Register
Program
Register
Program
SR[4] =
SR[7] =
SR[3] =
SR[1] =
Check
Start
1
0
0
0
0
1
1
1
(Setup)
(Confirm)
Protect Error
V
Suspend?
Program
P P
Device
Error
Error
Range
No
FULL STATUS CHECK PROCEDURE
WORD PROGRAM PROCEDURE
Yes
Program
Suspend
Loop
Operation Command
Repeat for subsequent Word Program operations.
Full Status Register check can be done after each program, or
after a sequence of program operations.
Write 0xFF after the last operation to set to the Read Array
state.
Operation
SR[3] MUST be cleared before the Write State Machine will
allow further program attempts.
If an error is detected, clear the Status Register before
continuing operations - only the Clear Staus Register
command clears the Status Register error bits.
Write
Write
Read
Bus
Bus
Idle
Idle
Idle
Idle
Command
Program
Setup
None
None
None
None
None
Data
Data = 0x40
Addr = Location to program
Data = Data to program
Addr = Location to program
Status register data: Toggle CE# or
OE# to update Status Register
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 = Block locked; operation aborted
P P
Error
Comments
Comments
C3 Discrete
March 2008
290645-24

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