FlashFlex51 MCU
SST89E52RD2 / SST89E54RD2 / SST89E58RD2 / SST89E516RD2
SST89V52RD2 / SST89V54RD2 / SST89V58RD2 / SST89V516RD2
Preliminary Specifications
T
SU
RST
T
ES
PSEN#
T
ADS
ALE/PROG#
T
DH
T
PROG
EA#
T
CE
P3[3]
P3[7:6], P2[7:6]
0001b
1255 F48.0
FIGURE 14-16: CHIP-ERASE
Erases both flash memory blocks. Security lock is ignored and the security bits are erased too.
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]
1101b
1255 F49.0
FIGURE 14-17: BLOCK-ERASE FOR SST89E516RD2/SST89V516RD2
Erases one of the flash memory blocks, if the security lock is not activated on that flash memory block.
©2004 Silicon Storage Technology, Inc.
S71255-00-000
3/04
83