Specifications

30 GL-S MirrorBit
®
Family IS29GL_128S_01GS_00_Rev.A February 2015
Data Sheet
Figure 5.3 Write Buffer Programming Operation with Status Register
Notes:
1. See Table 6.1, Command Definitions on page 57 for the command sequence as required for Write Buffer Programming.
2. When Sector Address is specified, any address in the selected sector is acceptable. However, when loading Write-Buffer address
locations with data, all addresses MUST fall within the selected Write-Buffer Page.
Write “Write to Buffer”
command Sector Address
Write “Word Count”
to program - 1 (WC)
Sector Address
Write Starting Address/Data
WC = 0?
ABORT Write to
Buffer Operation?
Write to a different
Sector Address
Write to Buffer ABORTED.
Must write “Write-to-Buffer
ABORT RESET”
command sequence to
return to READ mode.
Write next Address/Data pair
WC = WC - 1
Write Program Buffer to Flash
Confirm, Sector Address
Read Status Register
DRB
SR[7] = 0?
WBASB
SR[3] = 1?
PSB
SR[4] = 0?
Program Fail
Program Successful
No
Yes
(Note 2)
No
No
No
Yes
Yes
Yes
No
Yes
Program aborted during
Write to Buffer command
SLSB
SR[1] = 0?
No
Yes
Sector Locked Error
Program Fail