AT29C010A-12 ATMEL [ATMEL Corporation], AT29C010A-12 Datasheet - Page 10

• Manufacturer Part Number: AT29C010A-12
• Description: 1-Megabit (128K x 8) 5-volt Only Flash Memory
• Manufacturer: ATMEL [ATMEL Corporation]

Software Data Protection Enable
Algorithm
Notes:
10
Software Protected Program Cycle Waveform
Notes:
1. Data Format: I/O7 - I/O0 (Hex); Address Format:
2. Data Protect state will be activated at end of pro-
3. Data Protect state will be deactivated at end of pro-
4. 128 bytes of data MUST BE loaded.
1. A7 through A16 must specify the sector address during each high to low transition of WE (or CE) after the software code
2. OE must be high when WE and CE are both low.
3. All bytes that are not loaded within the sector being programmed will be indeterminate.
AT29C010A
A14 - A0 (Hex).
gram cycle.
gram period.
has been entered.
PAGE (128 BYTES)
ADDRESS 2AAA
(1)
LOAD DATA AA
ADDRESS 5555
ADDRESS 5555
LOAD DATA 55
LOAD DATA A0
LOAD DATA
TO
TO
TO
TO
(4)
WRITES ENABLED
ENTER DATA
PROTECT STATE
(2)
Software Data Protection Disable
Algorithm
(1)(2)(3)
PAGE (128 BYTES)
ADDRESS 2AAA
ADDRESS 2AAA
(1)
LOAD DATA AA
ADDRESS 5555
ADDRESS 5555
LOAD DATA AA
ADDRESS 5555
ADDRESS 5555
LOAD DATA 55
LOAD DATA 80
LOAD DATA 55
LOAD DATA 20
LOAD DATA
TO
TO
TO
TO
TO
TO
TO
(4)
EXIT DATA
PROTECT STATE
0394E–FLASH–11/02
(3)