n82802 Intel Corporation, n82802 Datasheet - Page 19

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

4.
Datasheet
Table 2.
Note:
Note: Commands other than those shown previously are reserved by Intel for future device implementations
R
Functional Descriptions
When the V
enabled, but programming and erase functions are disabled. Placing V
block erase and program operations.
and should not be used.
Read Array/Reset
Read Identifier Codes
Read Status Register
Clear Status Register
Block Erase
Program
Block Erase and Program
Suspend
Block Erase and Program
Resume
1.
2.
3.
4.
Command Definitions
Key:
Following the Read Identifier Codes command, read operations access manufacturer and device.
See Table 4 for the read identifier code data.
The block must not be write locked when attempting block erase or program operations. Attempts
to issue a block erase or program to a write-locked block will fail.
Either 40h or 10h are recognized by the WSM as the program setup.
Command
X
IA
BA
WA
SRD
WD
ID
PP
voltage ≤ V
= Any valid address within the device
= Identifier Code Address
= Address within the block being erased
= Address of memory location to be written
= Data read from status register.
= Data to be written at location WA
= Data read from identifier codes
Bus Cycles
PPLK
Required
≥ 2
, read operations from the status register, identifier codes or memory are
1
2
1
2
2
1
1
Notes
3,4
2
3
3
3
Oper.
Write
Write
Write
Write
Write
Write
Write
Write
First Bus Cycle
Addr.
WA
BA
X
X
X
X
X
X
(1)
Data
FFh
B0h
D0h
90h
70h
50h
20h
40h
10h
or
Intel
(2)
PPH1/2
®
Oper.
Read
Read
Write
Write
82802AB/AC Firmware Hub
on V
Second Bus Cycle
PP
Addr.
enables successful
WA
BA
IA
X
(1)
Data
SRD
D0h
WD
ID
(2)
19