參數(shù)資料
型號: SST89V58RD2-33-C-NJE
廠商: Microchip Technology
文件頁數(shù): 31/92頁
文件大?。?/td> 0K
描述: IC MCU 8BIT 40KB FLASH 44PLCC
標準包裝: 26
系列: FlashFlex®
核心處理器: 8051
芯體尺寸: 8-位
速度: 33MHz
連通性: EBI/EMI,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,WDT
輸入/輸出數(shù): 36
程序存儲器容量: 32KB(32K x 8)
程序存儲器類型: 閃存
EEPROM 大小: 8K x 8
RAM 容量: 1K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 3.6 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.
DS25087A
10/11
37
FlashFlex MCU
SST89V54RD2/RD / SST89V58RD2/RD
Not Recommended for New Designs
A Microchip Technology Company
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 11:Sector-Erase
Program sector address
MOV SFAH, #sector_addressH
MOV SFAL, #sector_addressL
Interrupt scheme
MOV SFCM, #8BH
Polling scheme
MOV SFCM, #0BH
INT1 interrupt
indicates completion
SFST[2] indicates
operation completion
1255 F10.0
IAP Enable
ORL SFCF, #40H
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