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參數(shù)資料
| 型號： | SST89V54RD-33-I-PIE |
| 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, PDIP40 |
| 封裝： | ROHS COMPLIANT, PLASTIC, MS-011AC, DIP-40 |
| 文件頁數(shù)： | 30/81頁 |
| 文件大?。?/td> | 935K |
| 代理商： | SST89V54RD-33-I-PIE |
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36
Data Sheet
FlashFlex51 MCU
SST89E52RD2/RD / SST89E54RD2/RD / SST89E58RD2/RD
SST89V52RD2/RD / SST89V54RD2/RD / SST89V58RD2/RD
2006 Silicon Storage Technology, Inc.
S71255-05-000
5/06
4.2.4.4 Byte-Program
The Byte-Program command programs data into a single
byte. The address is determined by the contents of SFAH
and SFAL. The data byte is in SFDT.
FIGURE
4-4: Byte-Program
4.2.4.5 Byte-Verify
The Byte-Verify command allows the user to verify that the
device has correctly performed an Erase or Program com-
mand. Byte-Verify command returns the data byte in SFDT
if the command is successful. The user is required to check
that the previous flash operation has fully completed before
issuing a Byte-Verify. Byte-Verify command execution time
is short enough that there is no need to poll for command
completion and no interrupt is generated.
FIGURE
4-5: Byte-Verify
4.2.4.6 Prog-SB3, Prog-SB2, Prog-SB1
Prog-SB3, Prog-SB2, Prog-SB1 commands are used to
program the security bits (see Table 9-1). Completion of
any of these commands, the security options will be
updated immediately.
Security bits previously in un-programmed state can be
programmed by these commands. Prog-SB3, Prog-SB2
and Prog-SB1 commands should only reside in Block 1 or
external code memory.
FIGURE
4-6: Prog-SB3, Prog-SB2, Prog-SB1
Move data to SFDT
MOV SFDT, #data
Interrupt scheme
MOV SFCM, #8EH
Polling scheme
MOV SFCM, #0EH
INT1 interrupt
indicates completion
SFST[2] indicates
operation completion
Program byte address
MOV SFAH, #byte_addressH
MOV SFAL, #byte_addressL
1255 F11.0
IAP Enable
ORL SFCF, #40H
MOV SFCM, #0CH
SFDT register
contains data
Program byte address
MOV SFAH, #byte_addressH
MOV SFAL, #byte_addressL
1255 F12.0
IAP Enable
ORL SFCF, #40H
Set-Up
MOV SFDT, #0AAH
OR
INT1# Interrupt
indicates completion
Polling SFST[2]
indicates completion
Program SB2
MOV SFCM, #03H
or
MOV SFCM, #83H
Program SB1
MOV SFCM, #0FH
or
MOV SFCM, #8FH
Program SB3
MOV SFCM, #05H
or
MOV SFCM, #85H
1255 F13.0
IAP Enable
ORL SFCF, #40H
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SST89V54RD-33-I-QIF | 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89V54RDA | 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex MCU |
| SST89V554 | 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89V554-25-C-NI | 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89V554-25-C-NJ | 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
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