S29PL-N SPANSION [SPANSION], S29PL-N Datasheet - Page 26

• Manufacturer Part Number: S29PL-N
• Description: 256/128/128 Mb (16/8/8 M x 16-Bit) CMOS, 3.0 Volt-only Simultaneous Read/Write, Page-Mode Flash Memory
• Manufacturer: SPANSION [SPANSION]

24
See
Legend:
Note:
Notes:
1.
2.
3.
The following is a C source code example of using the autoselect function to read the manufac-
turer ID. See the Spansion Low Level Driver User’s Guide (available on
www.fujitsu.com) for general information on Spansion Flash memory software development
guidelines.
Manufacturer ID
Sector
Protection
Verification
Indicator Bit
Software Functions and Sample Code
Description
Any offset within the device works.
BA = Bank Address. The bank address is required.
base = base address.
Table 12.1
Read
Cycle 1
Read
Cycle 2
Read
Cycle 3
Autoselect Command
For the PL129N Either CE1# or CE2# must be low to access Autoselect Codes
Unlock Cycle 1
Unlock Cycle 2
Unlock Cycle 1
L = Logic Low = V
Cycle
Cycle
See Note
for command sequence details.
CE#
L
L
L
L
L
L
OE# WE#
IL
L
L
L
L
, H = Logic High = V
S29PL-N MirrorBit™ Flash Family
H
H
H
H
A
(LLD Function = lld_AutoselectEntryCmd)
max
A12
BA
BA
SA
BA
(LLD Function = lld_AutoselectExitCmd)
Table 7.4 Autoselect Codes
Table 7.5 Autoselect Entry
Table 7.6 Autoselect Exit
–
Operation
Operation
A10 A9 A8 A7 A6
P r e l i m i n a r y
Write
Write
Write
Write
X
X
X
X
IH
X
X
X
X
, BA = Bank Address, SA = Sector Address, X = Don’t care.
X
X
X
X
L
L
L
L
L
L
L
L
Word Address
Word Address
base + xxxh
BAx2AAh
BAx555h
BAx555h
A5 –
A4
X
L
L
L
A3 A2 A1 A0
H
H
L
L
L
L
H
H
L
L
L
L
H
H
H
H
L
L
H 227Eh
H
H
L 0001h
L
L
223Ch (PL256N)
2220h (PL127N)
2221h (PL129N)
2200h (PL256N)
2200h (PL127N)
2200h (PL129N)
0000h
Unprotected
(Neither DYB nor PPB Locked),
0001h
Protected
(Either DYB or PPB Locked)
- DQ15 - DQ8 = 0
- DQ7 - Factory Lock Bit
- DQ6 -Customer Lock Bit
- DQ5 - Handshake Bit
- DQ4 & DQ3 -
- DQ2 - DQ0 = 0
1 = Locked, 0 = Not Locked
1 = Locked, 0 = Not Locked
1 = Reserved,
0 = Standard Handshake
WP# Protection Boot Code
00 = WP# Protects both Top Boot
and Bottom Boot Sectors,
11 = No WP# Protection
S29PL-N_00_A4 November 23, 2005
0x00AAh
0x0055h
0x0090h
0x00F0h
www.amd.com
DQ15 to DQ0
Data
Data
and