參數(shù)資料
型號: SST89C58RC-40-C-QIF
廠商: Microchip Technology
文件頁數(shù): 28/88頁
文件大?。?/td> 0K
描述: IC MCU 8BIT FLASH 40WQFN
標準包裝: 81
系列: FlashFlex®
核心處理器: 8051
芯體尺寸: 8-位
速度: 40MHz
連通性: EBI/EMI,I²C,SMBus,UART/USART
外圍設備: 欠壓檢測/復位,POR,WDT
輸入/輸出數(shù): 32
程序存儲器容量: 32KB(32K x 8)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 2K x 8
RAM 容量: 1K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
振蕩器型: 外部
工作溫度: 0°C ~ 70°C
封裝/外殼: 40-WFQFN 裸露焊盤
包裝: 管件
2011 Silicon Storage Technology, Inc.
DS25100A
12/11
34
FlashFlex MCU
SST89C58RC
Data Sheet
A Microchip Technology Company
The Byte-Program command is to update a byte of flash memory. If the original flash byte is not FFH, it
should first be erased with an appropriate Erase command.
Warning: Do not attempt to write (Program or Erase) to a sector that the code is currently fetching
from. This will cause unpredictable program behavior and may corrupt program data.
Chip-Erase
Chip-Erase IAP command erases all bytes in both memory partitions. This command is only allowed
when EA# = 0 (external memory execution).
Chip-Erase ignores the Security setting status and will erase all settings on all pages and the different
chip-level security restrictions, returning the device to its Unlocked state. The Chip-Erase command
will also erase the boot vector setting. Upon completion of Chip-Erase command, the chip will boot
from the default setting. See Table 14 for the default boot vector setting
Figure 8: Chip-Erase
Table 14:Default Boot Vector Settings
Device
Address
SST89C58RC
0F800H
T0-0.1 25100
Set-Up
MOV SFDT, #55H
Feed Sequence
MOV SFIS0, #A2H
MOV SFIS1, #DFH
Command Execution
MOV SFCM, #01H
SFCF[7] indicates
operation completion
IAP Enable
ORL SFCF, #40H
1323 F37.0
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