E28F016XS20 INTEL [Intel Corporation], E28F016XS20 Datasheet - Page 19

• Manufacturer Part Number: E28F016XS20
• Description: 16-MBIT (1 MBIT x 16, 2 MBIT x 8) SYNCHRONOUS FLASH MEMORY
• Manufacturer: INTEL [Intel Corporation]

4.4
NOTES:
1. RA can be the GSR address or any BSR address. See Figures 5 and 6 for Extended Status Register memory maps.
2. Upon device power-up, all BSR lock-bits come up locked. The Upload Status Bits command must be written to reflect the
3. This command sets the SFI Configuration allowing the device to be optimized for the specific sytem operating frequency.
4. The upper byte of the Data bus (D
Read Extended Status Register
Lock Block/Confirm
Upload Status Bits/Confirm
Device Configuration
actual lock-bit status.
ADDRESS
BA = Block Address
RA = Extended Register Address
PA = Program Address
X = Don’t Care
28F016XS—Enhanced Command Bus Definitions
Command
(until publication date)
INTEL CONFIDENTIAL
8–15
) during command writes is a “Don’t Care” in x16 operation of the device.
4/15/97 9:41 AM
Notes
DATA
AD = Array Data
BSRD = BSR Data
GSRD = GSR Data
DCCD = Device Configuration Code Data
1
2
3
Write
Write
Write
Oper
Write
First Bus Cycle
9053204.DOC
Addr
X
X
X
X
xx71H
xx77H
xx97H
xx96H
Data
(4)
28F016XS FLASH MEMORY
Read
Oper
Write
Write
Write
Second Bus Cycle
Addr
RA
BA
X
X
xxD0H
xxD0H
Data
GSRD
BSRD
DCCD
(4)
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