參數(shù)資料
型號(hào): SST89E52RC-33-C-PIE
廠商: Microchip Technology
文件頁數(shù): 40/71頁
文件大?。?/td> 0K
描述: IC MCU 8BIT 9KB FLASH 40PDIP
標(biāo)準(zhǔn)包裝: 9
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: 8KB(8K x 8)
程序存儲(chǔ)器類型: 閃存
EEPROM 大小: 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: 40-DIP(0.600",15.24mm)
包裝: 管件
2011 Silicon Storage Technology, Inc.
DS25088A
10/11
45
FlashFlex MCU
SST89E52RC / SST89E54RC
Data Sheet
A Microchip Technology Company
To unlock the security locks on Page0-3 of the primary partition (Partition0), the Partition0-Erase com-
mand must be used. To unlock the security lock on Page4, the Chip-Erase command must be used.
Read Operation Under Lock Condition
The following three cases can be used to indicate the Read operation is targeting a locked, secured
memory area:
1.
External host mode: Read-back = 55H (locked)
2.
IAP command: Read-back = previous SFDT data
3.
MOVC: Read-back = 00H (blank)
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