SST89E554 SST [Silicon Storage Technology, Inc], SST89E554 Datasheet - Page 18

• Manufacturer Part Number: SST89E554
• Description: FlashFlex51 MCU
• Manufacturer: SST [Silicon Storage Technology, Inc]

SuperFlash Data Register (SFDT)
SuperFlash Address Registers (SFAL)
SuperFlash Address Registers (SFAH)
Interrupt Enable (IE)
Interrupt Enable A (IEA)
©2001 Silicon Storage Technology, Inc.
Location
Location
Location
Location
Location
0B5H
0B3H
0B4H
A8H
E8H
Symbol
SFDT
Symbol
SFAL
Symbol
SFAH
Symbol
EA
ET2
ES
ET1
EX1
ET0
EX0
Symbol
EBO
EA
7
7
7
7
7
-
Function
Mailbox register for interfacing with flash memory block. (Data register).
Function
Mailbox register for interfacing with flash memory block. (Low order address register).
Function
Mailbox register for interfacing with flash memory block. (High order address register).
Function
Global Interrupt Enable.
0 = Disable
1 = Enable
Timer 2 Interrupt Enable.
Serial Interrupt Enable.
Timer 1 Interrupt Enable.
External 1 Interrupt Enable.
Timer 0 Interrupt Enable.
External 0 Interrupt Enable.
Function
Brown-out Interrupt Enable.
1 = Enable the interrupt
0 = Disable the interrupt
6
6
6
6
6
-
-
SuperFlash High Order Byte Address Register
SuperFlash Low Order Byte Address Register
ET2
5
5
5
5
5
-
SST89E564 / SST89V564 / SST89E554 / SST89V554
SuperFlash Data Register
ES
4
4
4
4
4
-
18
EBO
ET1
3
3
3
3
3
EX1
2
2
2
2
2
-
ET0
1
1
1
1
1
-
Preliminary Specifications
FlashFlex51 MCU
EX0
0
0
0
0
0
-
S71181-03-000 9/01
Reset Value
Reset Value
Reset Value
Reset Value
Reset Value
00000000b
00000000b
00000000b
xxxx0xxxb
00H
384