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#
P3[3]
T
PS
P3[5:4], P2[5:0]
P3[7:6], P2[7:6]
5AH / AAH
1001b
1255 F54.0
FIGURE 14-22: PROG-SC0 / PROG-SC1
Programs the start-up configuration bit SC0/SC1. Only a Chip-Erase will erase a programmed SC0/SC1 bit.
Prog-SC1 applies to SST89E5xRD2/SST89V5xRD2 only.
T
SU
RST
PSEN#
T
ES
ALE/PROG#
EA#
T
OA
1100b
P3[7:6], P2[7:6]
T
AHA
DO
P0
P1
T
ALA
AL
AH
P3[5:4], P2[5:0]
1255 F55.0
FIGURE 14-23: BYTE-VERIFY
Reads the code byte from the addressed flash memory location if the security lock is not activated on that flash
memory block.
©2004 Silicon Storage Technology, Inc.
S71255-00-000
3/04
86