SST89E52RC 데이터 시트보기 (PDF) - Silicon Storage Technology
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SST89E52RC Datasheet PDF : 57 Pages
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FlashFlex MCU
SST89E52RC / SST89E54RC
Data Sheet
TABLE 3-4: Flash Memory Programming SFRs
Symbol Description
SFCF SuperFlash
Configuration
SFCM
SuperFlash
Command
SFAL SuperFlash
Address Low
Direct
Address
B1H
B2H
B3H
SFAH SuperFlash
B4H
Address High
SFDT
SFST
SuperFlash
Data
SuperFlash
Status
B5H
B6H
SFST_SEL=
0H
SFST_SEL=
1H
SFST_SEL=
2H
SFST_SEL=
3H
SFST_SEL=
4H
SFST_SEL=
5H
Bit Address, Symbol, or Alternative Port Function
MSB
LSB
CMD_ IAPEN - HWIAP
-
Status
SFST_SEL
-
FCM[6:0]
Reset
Value
10000000b
00H
SuperFlash
Low Order Byte Address Register
A7 to A0 (SFAL)
SuperFlash
High Order Byte Address Register
A15 to A8 (SFAH)
SuperFlash
Data Register
Manufacturer’s ID
00H
00H
00H
BFH
Device ID0
(F7H indicates Device ID1 is real ID)
Device ID1
Boot Vector
-
-
- PAGE4 PAGE3 PAGE2 PAGE1 PAGE0
X
Boot Boot- Enable Disable- Disable- Disable- Disable-
From From- Clock- Extern- Extern- Extern- Extern-
Zero User- Double Host- MOVC Boot
IAP
Vector
Cmd
T3-4.0 1259
TABLE 3-5: Watchdog Timer SFRs
Symbol Description
WDTC1 Watchdog Timer
Control
WDTD Watchdog Timer
Data/Reload
1. Bit Addressable SFRs
Direct
Address
C0H
85H
MSB
-
Bit Address, Symbol, or Alternative Port Function
WDTON WDFE
-
WDRE WDTS WDT
Watchdog Timer Data/Reload
LSB
SWDT
Reset
Value
x0000000b
00H
T3-5.0 1259
TABLE 3-6: Feed Sequence SFRs
Symbol Description
SFIS0 Sequence Reg 0
SFIS1 Sequence Reg 1
Direct
Address
97H
C4H
MSB
Bit Address, Symbol, or Alternative Port Function
(Write only)
(Write only)
LSB
Reset
Value
00H
00H
T3-6.0 1259
©2007 Silicon Storage Technology, Inc.
14
S71259-04-000
1/07
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