PMC
MEMORY BLOCKS AND ADDRESSES
Table 1. Top Boot Block Address Table (Pm29F002T)
Block
Main Block 2
Main Block 1
Parameter Block 2
Parameter Block 1
Boot Block
Block Siz e
128 Kbytes
96 Kbytes
8 Kbytes
8 Kbytes
16 Kbytes
Pm29F002
Address Range
00000h-1FFFFh
20000h-37FFFh
38000h-39FFFh
3A000h-3BFFFh
3C000h-3FFFFh
Table 2. Bottom Boot Block Address Table ( Pm29F002B)
Block
Boot Block
Parameter Block 1
Parameter Block 2
Main Block 1
Main Block 2
Block Siz e
16 Kbytes
8 Kbytes
8 Kbytes
96 Kbytes
128 Kbytes
Address Range
00000h-03FFFh
04000h-05FFFh
06000h-07FFFh
08000h-1FFFFh
20000h-3FFFFh
OPERATING MODES
Table 3. Bus Operation Modes
Mode
Read
Write
Standby
Output Disable
C E#
V
IL
V
IL
V
IH
X
OE#
V
IL
V
IH
X
V
IH
WE#
V
IH
V
IL
X
X
ADDRESS
X
(1)
I/O
D
OUT
D
IN
High Z
High Z
Manufacturer Code
Device Code
(3)
(3)
X
X
X
A2 - A17 = X, A9 = V
H (2)
,
A1 = V
IL
, A0 = V
IL
A2 - A17 = X, A9 = V
H (2)
,
A1 = V
IL
, A0 = V
IH
Product Identification
Hardware
V
IL
V
IL
V
IH
Notes:
1. X can be V
IL
, V
IH
or addresses.
2. V
H
= 12.0 V ± 0.5 V.
Programmable Microelectronics Corp.
3. Manufacturer Code: 9Dh;
Device Code: 1Dh (top boot), 2Dh (bottom boot)
7
Issue Date: March, 2001 Rev: 1.0
PMC [ PMC-SIERRA, INC ]
