DT28F320S3110 Intel, DT28F320S3110 Datasheet - Page 38

• Manufacturer Part Number: DT28F320S3110
• Manufacturer: Intel

Specifications of DT28F320S3110

• Density: 32Mb
• Access Time (max): 110ns
• Interface Type: Parallel
• Boot Type: Not Required
• Address Bus: 22/21Bit
• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: -40C to 85C
• Package Type: SSOP
• Program/erase Volt (typ): 2.7/3.3/5V
• Sync/async: Asynchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 3.6V
• Word Size: 8/16Bit
• Number Of Words: 4M/2M
• Supply Current: 30mA
• Mounting: Surface Mount
• Pin Count: 56
• Lead Free Status / Rohs Status: Not Compliant

28F160S3, 28F320S3
38
FULL STATUS CHECK PROCEDURE
Clear Block Lock-Bits
Read Status Register
Clear Block Lock-Bits
Check if Desired
Data (See Above)
Read Status
Full Status
Write 60H
Write D0H
Complete
Successful
Register
SR.4,5 =
SR.3 =
SR.7 =
SR.1=
SR.5 =
Start
0
0
0
0
1
0
1
1
1
1
Clear Block Lock-Bits
Device Protect Error
Voltage Range Error
Command Sequence
Figure 13. Clear Block Lock-Bits Flowchart
Error
Error
Write FFH after the Clear Block Lock-Bits operation to place device
SR.5, SR.4, SR.3 and SR.1 are only cleared by the Clear Status
If error is detected, clear the Status Register before attempting
Operation
to read array mode.
Register command.
retry or other error recovery.
Operation
Standby
Standby
Standby
Standby
Standby
Read
Bus
Write
Write
Bus
ADVANCE INFORMATION
Lock-Bits Confirm
Lock-Bits Setup
Command
Clear Block
Clear Block
Command
Check SR.3
1 = Programming Voltage Error
Check SR.1
1 = Device Protect Detect
Check SR.4,5
Both 1 = Command Sequence Error
Check SR.5
1 = Clear Block Lock-Bits Error
Detect
RST# = V , Master Lock-Bit Is Set
Data = 60H
Addr = X
Data = D0H
Addr = X
Status Register Data
Check SR.7
1 = WSM Ready
0 = WSM Busy
Comments
IH
Comments