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參數(shù)資料
| 型號： | SST89E52RC-33-C-NJE |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQCC44 |
| 封裝： | ROHS COMPLIANT, PLASTIC, MS-018AC, LCC-44 |
| 文件頁數(shù)： | 24/57頁 |
| 文件大?。?/td> | 652K |
| 代理商： | SST89E52RC-33-C-NJE |
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30
Data Sheet
FlashFlex MCU
SST89E52RC / SST89E54RC
2007 Silicon Storage Technology, Inc.
S71259-04-000
1/07
4.2.3.7 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).
Note: VIL = Input Low Voltage; VIH = Input High Voltage; VIH1 = Input High Voltage (XTAL, RST); X = Don’t care;
AL = Address low order byte; AH = Address high order byte; DI = Data Input; DO = Data Output.
4.3 In-System Programming
SST provides an example In-System Programming (ISP)
solution for this device series. An example bootstrap loader
can be pre-programmed into Partition1 to demonstrate the
initial user program code loading or subsequent user code
updating via the IAP operation.
Users can either use the SST ISP solution or develop a
customized ISP solution. Customized ISP firmware can be
pre-programmed into a user-defined boot vector. See Sec-
tion “Boot Sequence” on page 40 for details.
Program Enable-Clock-Double
Command Execution
MOV SFCM, #08H
SFCF[7] indicates
operation complete
1259 F11.0
IAP Enable
ORL SFCF, #40H
Set-up Enable-Clock-Double
MOV SFAH, #E0H
Feed Sequence
MOV SFIS0, #A2H
MOV SFIS1, #DFH
TABLE
4-3: IAP COMMANDS
Operation
SFCM [6:0]
SFDT [7:0]
SFAH [7:0]
SFAL [7:0]
Chip-Erase
01H
55H
X
Partition0-Erase
0DH
55H
X
Sector-Erase
0BH
X
AH
AL
Byte-Program
0EH
DI
AH
AL
Byte-Verify (Read)
0CH
DO
AH
AL
Secure-Page0
03H
X
90H
X
Secure-Page1
03H
X
91H
X
Secure-Page2
03H
X
92H
X
Secure-Page3
03H
X
93H
X
Secure-Page4
03H
X
94H
X
Disable-Extern-IAP
05H
X
B0H
X
Disable-Extern-Boot
05H
X
B1H
X
Disable-Extern-MOVC
05H
X
B2H
X
Disable-Extern-Host-Cmd
05H
X
B3H
X
Enable-Clock-Double
08H
X
E0H
X
Boot-From-User-Vector
08H
X
E1H
X
Boot-From-Zero
08H
X
E2H
X
Set-User-Boot-Vector
09H
DI
F0H
X
T4-3.0 1259
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SST89E52RC-33-C-PIE | 功能描述:8位微控制器 -MCU 8-Bit 8K+1K Flash 33MHz 3/16-Bit Timer 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 安裝風格:SMD/SMT |
| SST89E52RD2 | 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:8 bit 8051-Compatibale Microcontroller (MCU) with Embedded SuperFlash Memory |
| SST89E52RD2/RD | 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89E52RD2_06 | 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89E52RD2-33-C-NI | 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
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