SST89E554 SST [Silicon Storage Technology, Inc], SST89E554 Datasheet - Page 14

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

TABLE
TABLE
©2001 Silicon Storage Technology, Inc.
Symbol Description
ACC
B
PSW
SP
DPL
DPH
IE
IEA
IP
IPH
IPA
IPAH
PCON
AUXR
AUXR1
Symbol Description
SFST
SFCF
SFCM
SFDT
SFAL
SFAH
1
1
1
1. Bit Addressable SFRs
1
1
1
1
Accumulator
B Register
Program Status
Word
Stack Pointer
Data Pointer
Low
Data Pointer
High
Interrupt Enable
Interrupt
Enable A
Interrupt Priority
Reg
Interrupt Priority
Reg High
Interrupt Priority
Reg A
Interrupt Priority
Reg A High
Power Control
Auxiliary Reg
Auxiliary Reg 1
SuperFlash
Status
SuperFlash
Configuration
SuperFlash
Command
SuperFlash
Data
SuperFlash
Address Low
SuperFlash
Address High
3-5: CPU
3-6: F
LASH
RELATED
M
EMORY
Address
Direct
Address
B6H
B1H
B2H
B5H
B3H
B4H
Direct
E0H
F0H
D0H
A8H
E8H
B8H
B7H
F8H
F7H
8EH
A2H
81H
82H
83H
87H
SFR
P
ROGRAMMING
S
SECD1
SMOD1 SMOD0
MSB
FIE
MSB
CY
-
EA
SuperFlash High Order Byte Address Register - A
-
-
-
-
-
-
-
SuperFlash Low Order Byte Address Register - A
SST89E564 / SST89V564 / SST89E554 / SST89V554
Bit Address, Symbol, or Alternative Port Function
Bit Address, Symbol, or Alternative Port Function
SECD2
IAPEN
SFR
AC
-
-
-
-
-
-
-
-
S
SECD3
PT2H
BOF
ET2
PT2
14
F0
SuperFlash Data Register
-
-
-
-
-
-
PSH
POF
RS1
ES0
PS
ACC[7:0]
DPH[7:0]
-
-
DPL[7:0]
-
-
-
-
-
SP[7:0]
B[7:0]
-
-
PT1H PX1H
EBO
PBO
PBO
RS0
GF1
GF2
FCM
ET1
PT1
H
-
FLASH_BUSY
EX1
PX1
GF0
OV
0
-
-
-
-
-
15
7
EXTRAM
toA
PT0H
toA
ET0
PT0
PD
F1
Preliminary Specifications
-
-
-
-
0
SWR
8
FlashFlex51 MCU
(SFAL)
(SFAH)
-
PX0H
LSB
DPS
EX0
PX0
BSEL
IDL
AO
LSB
S71181-03-000 9/01
P
-
-
-
-
xxxxxxx00b
00010000b
xx000000b
xx000000b
xxxx00x0b
xxxx0xxxb
xxxx0xxxb
xxxx0xxxb
xxxxx0xxb
x0xxxxxxb
RESET
RESET
Value
Value
00H
00H
00H
00H
07H
00H
40H
T3-5.10 384
00H
00H
00H
00H
T3-6.6 384
384