SST89E52RD2_06 Datasheet, PDF (17/81 Pages) Silicon Storage Technology, Inc – FlashFlex51 MCU

FlashFlex51 MCU
SST89E52RD2/RD / SST89E54RD2/RD / SST89E58RD2/RD
SST89V52RD2/RD / SST89V54RD2/RD / SST89V58RD2/RD
Data Sheet
TABLE 3-5: CPU related SFRs
Symbol Description
ACC¹ Accumulator
B¹
B Register
PSW¹ Program Status
Word
SP
Stack Pointer
DPL Data Pointer
Low
DPH
Data Pointer
High
IE¹
Interrupt Enable
IEA¹
Interrupt
Enable A
IP¹
Interrupt Priority
Reg
IPH
Interrupt Priority
Reg High
IP1¹
Interrupt Priority
Reg A
IP1H
Interrupt Priority
Reg A High
PCON Power Control
AUXR Auxiliary Reg
AUXR1 Auxiliary Reg 1
XICON² External
Interrupt Control
1. Bit Addressable SFRs
2. X = Don’t care
Direct
Address
E0H
F0H
D0H
81H
82H
83H
A8H
E8H
B8H
B7H
F8H
F7H
87H
8EH
A2H
AEH
Bit Address, Symbol, or Alternative Port Function
MSB
ACC[7:0]
B[7:0]
CY
AC
F0 RS1 RS0 OV
F1
SP[7:0]
DPL[7:0]
DPH[7:0]
EA
EC
ET2 ES ET1 EX1
ET0
-
-
-
- EBO
-
-
-
PPC PT2 PS PT1 PX1
PT0
-
PPCH PT2H PSH PT1H PX1H PT0H
-
-
-
- PBO PX3 PX2
-
-
-
- PBOH PX3H PX3
SMOD1 SMOD0 BOF POF GF1
-
-
-
-
-
-
-
-
- GF2
X
EX3 IE3 IT3 0
GF0
PD
- EXTRAM
0
-
EX2
IE2
LSB
P
EX0
-
PX0
PX0H
-
-
IDL
AO
DPS
IT2
Reset
Value
00H
00H
00H
07H
00H
00H
00H
xxxx0xxxb
x0000000b
x0000000b
xxxx0xxxb
xxxx0xxxb
00010000b
xxxxxxx00b
xxxx00x0b
00H
T3-5.0 1255
TABLE 3-6: Flash Memory Programming SFRs
Symbol Description
SFCF SuperFlash
Configuration
SFCM SuperFlash
Command
SFAL
SuperFlash
Address Low
SFAH SuperFlash
Address High
SFDT SuperFlash
Data
SFST SuperFlash
Status
Direct
Address
B1H
MSB
-
Bit Address, Symbol, or Alternative Port Function
LSB
IAPEN -
-
-
-
SWR BSEL
Reset
Value
x0xxxx00b
B2H FIE
FCM[6:0]
00H
B3H
SuperFlash Low Order Byte Address Register - A₇ to A₀ (SFAL)
00H
B4H
SuperFlash High Order Byte Address Register - A₁₅ to A₈ (SFAH)
00H
B5H
SuperFlash Data Register
00H
B6H SB1_i SB2_i SB3_i - EDC_i FLASH_BUSY -
- 000x00xxb
T3-6.0 1255
©2006 Silicon Storage Technology, Inc.
17
S71255-05-000
5/06