FlashFlex51 MCU
SST89E52RD2 / SST89E54RD2 / SST89E58RD2 / SST89E516RD2
SST89V52RD2 / SST89V54RD2 / SST89V58RD2 / SST89V516RD2
Preliminary Specifications
T
SU
RST
T
ES
PSEN#
T
ADS
ALE/PROG#
T
T
DH
PROG
EA#
T
BE
P3[3]
P3[7:6], P2[7:6]
P3[5:4], P2[5:0]
1101b
AH
1255 F50.0
FIGURE 14-18: BLOCK-ERASE FOR SST89E5XRD2/SST89V5XRD2
Erases one of the flash memory blocks, if the security lock is not activated on that flash memory block.
T
SU
RST
T
ES
PSEN#
T
ADS
ALE/PROG#
T
T
DH
PROG
EA#
P3[3]
T
SE
P3[7:6], P2[7:6]
P3[5:4], P2[5:0]
1011b
AH
P1
AL
1255 F51.0
FIGURE 14-19: SECTOR-ERASE
Erases the addressed sector if the security lock is not activated on that flash memory block.
©2004 Silicon Storage Technology, Inc.
S71255-00-000
3/04
84
SST [ SILICON STORAGE TECHNOLOGY, INC ]
