n82802 Intel Corporation, n82802 Datasheet - Page 20

• Manufacturer Part Number: n82802
• Description: Firmware Hub Fwh
• Manufacturer: Intel Corporation

Intel
20
Table 3.
®
82802AB/AC Firmware Hub
Status Register Definition
Bit
7
6
5
4
3
2
1
0
WSMS
7
Write State Machine Status (SR.7). Check SR.7 to determine block erase or program completion.
SR.6–0 are invalid while SR.7 = 0.
1 = Ready
0 = Busy
Erase Suspend Status (SR.6).
1 = Block erase suspended
0 = Block erase in progress/completed
Erase Status (SR.5). If both SR.5 and SR.4 are 1s after a block erase attempt, an improper command
sequence was entered.
1 = Error in block erasure
0 = Successful block erase
Program Status (SR.4).
1 = Error in program
0 = Successful program
V
and indicates the V
reports accurate feedback only when V
1 = V
0 = V
Program Suspend Status (SR.2).
1 = Program suspended
0 = Program in progress/completed
Device Protect Status (SR.1). SR.1 does not provide a continuous indication of write-lock bit, TBL# pin
or WP# pin values. The WSM interrogates the write-lock bit, TBL# pin or WP# pin only after a block
erase or program operation. Depending on the attempted operation, it informs the system whether or not
the selected block is locked.
1 = Write-lock bit, TBL# pin, or WP# pin Detected, operation abort
0 = Unlock
Reserved for future enhancements (SR.0). SR.0 is reserved for future use and should be masked out
when polling the status register.
PP
Status (SR.3). SR.3 does not provide a continuous indication of V
PP
PP
low detect, operation abort
OK
ESS
6
PP
level only after a block erase or program operation. SR.3 is not guaranteed to
ES
5
PS
4
PP
≠ V
PPH1/2
Description
VPPS
.
3
PSS
2
PP
level. The WSM interrogates
DPS
1
R
0
Datasheet
R