参数资料
型号: SST89C58RC-40-I-TQJE
厂商: Microchip Technology
文件页数: 29/88页
文件大小: 0K
描述: IC MCU 8BIT FLASH 40TQFP
标准包装: 160
系列: FlashFlex®
核心处理器: 8051
芯体尺寸: 8-位
速度: 40MHz
连通性: EBI/EMI,I²C,SMBus,UART/USART
外围设备: 欠压检测/复位,POR,WDT
输入/输出数: 32
程序存储器容量: 32KB(32K x 8)
程序存储器类型: 闪存
EEPROM 大小: 2K x 8
RAM 容量: 1K x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 5.5 V
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 44-TQFP
包装: 托盘
2011 Silicon Storage Technology, Inc.
DS25100A
12/11
35
FlashFlex MCU
SST89C58RC
Data Sheet
A Microchip Technology Company
Partition0-Erase
The Partition0-Erase command erases all bytes in memory partition 0. All security bits associated with
Page0-3 are also reset.
Figure 9: Partition0-Erase
Sector-Erase
The Sector-Erase command erases all of the bytes in a sector. The sector size for the flash memory
blocks is 128 Bytes. The selection of the sector to be erased is determined by the contents of SFAH
and SFAL.
Figure 10:Sector-Erase
Set-Up
MOV SFDT, #55H
IAP Enable
ORL SFCF, #40H
Command Execution
MOV SFCM, #0DH
SFCF[7] indicates
operation completion
1323 F38.0
Feed Sequence
MOV SFIS0, #A2H
MOV SFIS1, #DFH
Program sector address
MOV SFAH, #sector_addressH
MOV SFAL, #sector_addressL
Command Execution
MOV SFCM, #0BH
SFCF[7] indicates
operation completion
1323 F39.0
IAP Enable
ORL SFCF, #40H
Feed Sequence
MOV SFIS0, #A2H
MOV SFIS1, #DFH
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