PUMA2E4001-12E Mosaic Semiconductor, PUMA2E4001-12E Datasheet - Page 11

• Manufacturer Part Number: PUMA2E4001-12E
• Description: 128K x 32 EEPROM Module
• Manufacturer: Mosaic Semiconductor

ISSUE 4.2 : November 1998
In the event the user wants to deactivate the software data protection feature for testing or reprogramming in an
E
will be in standard operating mode.
Software Data Protect Disable
2
PROM programmer. The following six step algorithm will reset the internal protection circuit. After t
LAST BYTE / WORD
ADDRESS 2AAA
ADDRESS 5555
ADDRESS 5555
LOAD DATA XX
ANY ADDRESS
LAST ADDRESS
ADDRESS 5555
ADDRESS 2AAA
LOAD DATA AA
ADDRESS 5555
LOAD DATA 80
LOAD DATA AA
LOAD DATA 55
LOAD DATA 55
LOAD DATA 20
TO
TO
TO
TO
TO
TO
TO
TO
11
(4)
EXIT DATA
PROTECT
STATE (3)
PUMA 2/67/77E4001/A - 12/15/20
WC
, the device