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參數(shù)資料
| 型號： | SST89E54RD2A-40-I-NJE |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQCC44 |
| 封裝： | ROHS COMPLIANT, PLASTIC, MS-018AC, LCC-44 |
| 文件頁數(shù)： | 33/84頁 |
| 文件大小： | 1755K |
| 代理商： | SST89E54RD2A-40-I-NJE |
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Data Sheet
FlashFlex MCU
SST89E54RD2A/RDA / SST89E58RD2A/RDA
SST89V54RD2A/RDA / SST89V58RD2A/RDA
39
2007 Silicon Storage Technology, Inc.
S71339-01-000
1/07
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
1339 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
1339 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
1339 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 |
|---|---|
| SST89E54RD2RD | 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89E54RD2-RD | 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89E54RD-33-C-PIE | 功能描述:8位微控制器 -MCU 24KB+1KB 33MHz RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| SST89E54RD-40-C-PI | 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89E54RD-40-C-PIE | 功能描述:8位微控制器 -MCU 24KB+1KB 40MHz RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
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