SST89E554RC-40-C-NJE Silicon Storage Tech, SST89E554RC-40-C-NJE Datasheet - Page 83

• Manufacturer Part Number: SST89E554RC-40-C-NJE
• Description: Semiconductors and Actives, Microprocessors, Microcontrollers
• Manufacturer: Silicon Storage Tech

FlashFlex MCU
SST89E564RD / SST89V564RD
SST89E554RC / SST89V554RC
©2007 Silicon Storage Technology, Inc.
P3[7:6], P2[7:6]
P3[5:4], P2[5:0]
FIGURE 13-20: B
Programs the addressed code byte if the byte location has been successfully erased and not yet programmed.
Byte-Program operation is only allowed when the security lock is not activated on that flash memory block.
FIGURE 13-21: P
Programs the Security bits SB1, SB2 and SB3 respectively. Only a Chip-Erase will erase a programmed security bit.
P3[7:6], P2[7:6]
ALE/PROG#
ALE/PROG#
PSEN#
RST
P3[3]
PSEN#
EA#
RST
P3[3]
EA#
P1
P0
YTE
ROG
-P
-SB1 / P
ROGRAM
T SU
T SU
ROG
-SB2 / P
ROG
-SB3
T ADS
T ES
83
T ADS
T ES
T PROG
T PROG
1111b / 0011b / 0101b
1110b
AH
AL
DI
T DH
T PS
T DH
T PB
S71207-08-EOL
EOL Data Sheet
1207 F12.2
1207 F11.2
1/07