SST89E54RDA(2011) View Datasheet(PDF) - Silicon Storage Technology
Part Name
Description
View to exact match
SST89E54RDA Datasheet PDF : 91 Pages
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A Microchip Technology Company
FlashFlex MCU
SST89E54RD2A/RDA / SST89E58RD2A/RDA
Not Recommended for New Designs
Table 7: Flash Memory Programming SFRs
Direct
Bit Address, Symbol, or Alternative Port Function
Symbol Description Address MSB
LSB
Reset
Value
SFCF SuperFlash B1H
- IAPEN - -
-
Configuration
-
SWR BSEL x0xxxx00b
SFCM SuperFlash B2H FIE
FCM[6:0]
00H
Command
SFAL SuperFlash B3H SuperFlash Low Order Byte Address Register - A7 to A0 (SFAL) 00H
Address Low
SFAH SuperFlash
B4H
SuperFlash High Order Byte Address Register - A15 to A8
00H
Address High
(SFAH)
SFDT SuperFlash B5H
SuperFlash Data Register
00H
Data
SFST SuperFlash
Status
B6H SB1_i SB2_i SB3_i - EDC_i FLASH_BUSY -
- 000x00xxb
T0-0.0 25114
Table 8: Watchdog Timer SFRs
Symbol Description
WDTC1 Watchdog Timer
Control
WDTD Watchdog Timer
Data/Reload
1. Bit Addressable SFRs
Direct
Address
C0H
85H
Bit Address, Symbol, or Alternative Port Function
MSB
LSB
- - - WDOUT WDRE WDTS WDT SWDT
Watchdog Timer Data/Reload
Reset
Value
xxx00x00b
00H
T0-0.0 25114
©2011 Silicon Storage Technology, Inc.
18
DS25114A
12/11
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