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參數(shù)資料
| 型號： | SST89V58RD-33-I-PIE |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PDIP40 |
| 封裝： | ROHS COMPLIANT, PLASTIC, MS-011AC, DIP-40 |
| 文件頁數(shù)： | 31/81頁 |
| 文件大?。?/td> | 935K |
| 代理商： | SST89V58RD-33-I-PIE |
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Data Sheet
FlashFlex51 MCU
SST89E52RD2/RD / SST89E54RD2/RD / SST89E58RD2/RD
SST89V52RD2/RD / SST89V54RD2/RD / SST89V58RD2/RD
37
2006 Silicon Storage Technology, Inc.
S71255-05-000
5/06
4.2.4.7 Prog-SC0, Prog-SC1
Prog-SC0 command is used to program the SC0 bit. This
command only changes the SC0 bit and has no effect on
BSEL bit until after a reset cycle.
SC0 bit previously in un-programmed state can be pro-
grammed by this command. The Prog-SC0 command
should reside only in Block 1 or external code memory.
Prog-SC1 command is used to program the SC1 bit. This
command only changes the SC1 bit and has no effect on
SFCF[1] bit until after a reset cycle.
SC1 bit previously in un-programmed state can be pro-
grammed by this command. The Prog-SC1 command
should reside only in Block 1 or external code memory.
FIGURE
4-7: Prog-SC0 and Prog-SC1
4.2.4.8 Enable-Clock-Double
Enable-Clock-Double command is used to make the MCU
run at 6 clocks per machine cycle. The standard (default) is
12 clocks per machine cycle (i.e. clock double command
disabled).
FIGURE
4-8: Enable-Clock-Double
4.2.5 Polling
A command that uses the polling method to detect flash
operation completion should poll on the FLASH_BUSY bit
(SFST[2]). When FLASH_BUSY de-asserts (logic 0), the
device is ready for the next operation.
MOVC instruction may also be used for verification of the
Programming and Erase operation of the flash memory.
MOVC instruction will fail if it is directed at a flash block that
is still busy.
4.2.6 Interrupt Termination
If interrupt termination is selected, (SFCM[7] is set), then
an interrupt (INT1) will be generated to indicate flash opera-
tion completion. Under this condition, the INT1 becomes an
internal interrupt source. The INT1# pin can now be used
as a general purpose port pin and it cannot be the source
of External Interrupt 1 during in-application programming.
In order to use an interrupt to signal flash operation termi-
nation. EX1 and EA bits of IE register must be set. The IT1
bit of TCON register must also be set for edge trigger
detection.
Program SC0 or SC1 -
Interrupt scheme
MOV SFCM, #89H
Program SC0 or SC1 -
Polling scheme
MOV SFCM, #09H
INT1# Interrupt
indicates completion
Polling SFST[2]
indicates completion
1255 F14.0
IAP Enable
ORL SFCF, #40H
Set-up Program SC1
MOV SFAH, #0AAH
MOV SFDT, #0AAH
Set-up Program SC0
MOV SFAH, #5AH
MOV SFDT, #0AAH
Program Enable-Clock-Double
Interrupt scheme
MOV SFCM, #88H
Program Enable-Clock-Double
Polling scheme
MOV SFCM, #08H
INT1# Interrupt
indicates completion
Polling SFST[2]
indicates completion
1255 F15.0
IAP Enable
ORL SFCF, #40H
Set-up Enable-Clock-Double
MOV SFAH, #55H
MOV SFDT, #0AAH
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SST89V58RDA | 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex MCU |
| SST8H-D | 功能描述:電纜束帶 Cable Tie 2-Piece 27.5"L (699mm) Lt RoHS:否 制造商:Phoenix Contact 產(chǎn)品:Cable Tie Mounts 類型:Adhesive 顏色:Black 材料:Acrylonitrile Butadiene Styrene (ABS) 長度:19 mm 寬度:19 mm 抗拉強度: |
| SST8H-D0 | 功能描述:電纜束帶 Cable Tie, 2-Piece, 27.5"L (699mm), Ligh RoHS:否 制造商:Phoenix Contact 產(chǎn)品:Cable Tie Mounts 類型:Adhesive 顏色:Black 材料:Acrylonitrile Butadiene Styrene (ABS) 長度:19 mm 寬度:19 mm 抗拉強度: |
| SST8H-D30 | 功能描述:電纜束帶 Cable Tie, 2-Piece, 27.5"L (699mm), Ligh RoHS:否 制造商:Phoenix Contact 產(chǎn)品:Cable Tie Mounts 類型:Adhesive 顏色:Black 材料:Acrylonitrile Butadiene Styrene (ABS) 長度:19 mm 寬度:19 mm 抗拉強度: |
| SST8H-L | 功能描述:電纜束帶 Cable Tie 2-Piece 27.5"L (699mm) Lt RoHS:否 制造商:Phoenix Contact 產(chǎn)品:Cable Tie Mounts 類型:Adhesive 顏色:Black 材料:Acrylonitrile Butadiene Styrene (ABS) 長度:19 mm 寬度:19 mm 抗拉強度: |
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