PMC
Pm39F010 / Pm39F020 / Pm39F040
OPERATING MODES
Table 2. Bus Operation Modes
Mode
Read
CE#
VIL
VIL
VIH
X
OE#
VIL
VIH
X
WE#
VIH
VIL
X
ADDRESS
I/O
DOUT
X (1)
X
Write
DIN
Standby
X
High Z
High Z
Output Disable
VIH
X
X
(2)
A2 - AMS
= X, A9 =
(3)
VH
,
Manufacturer ID
A1 = VIL, A0 = VIL
Product Identification
Hardware
VIL
VIL
VIH
(2)
A2 - AMS
= X, A9 =
(3)
VH
,
Device ID
A1 = VIL, A0 = VIH
Notes:
3. VH = 12.0 V ± 0.5 V.
1. X can be VIL, VIH or addresses.
2. AMS = Most significant address;
AMS = A16 for Pm39F010, A17 for Pm39F020, and
A18 for Pm39F040.
COMMAND DEFINITION
Table 3. Software Command Definition
1st Bus
Cycle
2nd Bus
Cycle
3rd Bus
Cycle
4th Bus
Cycle
5th Bus
Cylce
6th Bus
Cycle
Command
Sequence
Bus
Cycle
Addr Data Addr Data Addr Data Addr Data Addr Data Addr Data
Read
1
6
6
6
4
3
3
1
Addr DOUT
Chip Erase
555h AAh
555h AAh
555h AAh
555h AAh
555h AAh
555h AAh
XXXh F0h
2AAh 55h 555h 80h
2AAh 55h 555h 80h
2AAh 55h 555h 80h
2AAh 55h 555h A0h
2AAh 55h 555h 90h
2AAh 55h 555h F0h
555h AAh
555h AAh
555h AAh
Addr DIN
2AAh 55h 555h 10h
2AAh 55h SA (1) 30h
2AAh 55h BA (2) 50h
Sector Erase
Block Erase
Byte Program
Product ID Entry
Product ID Exit (3)
Product ID Exit (3)
Notes:
1. SA = Sector address of the sector to be erased.
2. BA = Block address of the block to be erased.
3. Either one of the Product ID Exit command can be used.
Issue Date: March, 2004, Rev: 1.3
Programmable Microelectronics Corp.
10
PMC [ PMC-SIERRA, INC ]
