Datasheet

©2011 Silicon Storage Technology, Inc. DS-25015A 04/11
56
64 Mbit (x16) Advanced Multi-Purpose Flash Plus
SST38VF6401 / SST38VF6402 / SST38VF6403 / SST38VF6404
Data Sheet
A
Microchip Technology Company
Figure 32:Non-Volatile Block Protect Mode
Program
(Protect Block)
Load data: XXAAH
Address: 555H
Load data: XX55H
Address: 2AAH
Load data: XXC0H
Address: 555H
Wait T
IDA
Load data: XX80H
Address: XXH
Read data: Data
Address: BA
Load data: XXA0H
Address: XXH
Load data: XX30H
Address: 00H
Wait for end of
Program, Erase,
or Read
Load data: XX90H
Address: XXH
Load data: XX00H
Address: XXH
Load data: XX00H
Address: BA
More to
Program,Erase,
or Read
Erase
Read Protect
Status
Ye s
No
1309 F30.1
Program, Erase or Read
Note: Data = 00H (unprotect);
Data = 01H (protect).
X can be V
IL
or V
IH,
but no other value.
Programming NVPB requires 2x T
BP
, which results in a 20µs maximum programming time