參數(shù)資料
型號(hào): SST89C58-33-I-TQJE
廠商: SILICON STORAGE TECHNOLOGY INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQFP44
封裝: LEAD FREE, TQFP-44
文件頁數(shù): 7/52頁
文件大?。?/td> 967K
代理商: SST89C58-33-I-TQJE
Data Sheet
FlashFlex51 MCU
SST89C54 / SST89C58
15
2004 Silicon Storage Technology, Inc.
S71131-04-000
6/04
Symbol
Function
VIS
Upper flash block visibility.
1: 4 KByte flash block visible from F000H-FFFFH.
0: 4 KByte flash block not visible.
The VIS bit is ignored when re-map is in effect:
The VIS bit is “don’t care” after re-mapped 1KB, 2KB or 4KB.
VIS controls the visibility of Block 1 to program counter (PC) only when
re-map is 0 KByte.
IAPEN
Enable IAP operation.
1: IAP commands are enabled.
0: IAP commands are disabled.
Map-En1
Map enable bit 1.
Map-En0
Map enable bit 0.
Map-En[1:0] are initialized to default value according to RE-MAP[1:0] during Reset.
Refer to Table 3-1.
TABLE
3-4: FLASH MEMORY PROGRAMMING SFRS
Symbol Description
Direct
Address
Bit Address, Symbol, or Alternative Port Function
RESET
Value
MSB
LSB
SFCF
SuperFlash
Configuration
B1H
VIS
IAPEN
-
Map-En
00xxxxxxb
SFCM
SuperFlash
Command
B2H
FIE
FCM
00H
SFAL
SuperFlash
Address Low
B3H
SuperFlash Low Order Byte Address Register - A7 to A0 (SFAL)
00H
SFAH
SuperFlash
Address High
B4H
SuperFlash High Order Byte Address Register - A15 to A8 (SFAH)
00H
SFDT
SuperFlash Data
B5H
SuperFlash Data Register
00H
SFST
SuperFlash Status
B6H
SB[2:0]
-
BUSY
Flash_busy
-
xxxx00xxb
T3-4.7 1131
SuperFlash Configuration Register (SFCF)
Location
76543210
Reset Value
B1H
VIS
IAPEN
----
Map-En1
Map-En0
00xxxxxxb
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