參數(shù)資料
型號(hào): SST89E54RC-33-C-NJE
廠商: Microchip Technology
文件頁(yè)數(shù): 26/71頁(yè)
文件大?。?/td> 0K
描述: IC MCU 8BIT 17KB FLASH 44PLCC
標(biāo)準(zhǔn)包裝: 26
系列: FlashFlex®
核心處理器: 8051
芯體尺寸: 8-位
速度: 33MHz
連通性: EBI/EMI,UART/USART
外圍設(shè)備: POR,WDT
輸入/輸出數(shù): 32
程序存儲(chǔ)器容量: 16KB(16K x 8)
程序存儲(chǔ)器類型: 閃存
EEPROM 大?。?/td> 1K x 8
RAM 容量: 512 x 8
電壓 - 電源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振蕩器型: 外部
工作溫度: 0°C ~ 70°C
封裝/外殼: 44-LCC(J 形引線)
包裝: 管件
2011 Silicon Storage Technology, Inc.
DS25088A
10/11
32
FlashFlex MCU
SST89E52RC / SST89E54RC
Data Sheet
A Microchip Technology Company
Enable-Clock-Double
Enable-Clock-Double command is used to make the MCU run at 6 clocks per machine cycle. The stan-
dard (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.
Table 13: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
T0-0.0 25008
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
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