參數(shù)資料
型號(hào): SST89E54RC-33-C-PIE
廠商: Microchip Technology
文件頁數(shù): 21/71頁
文件大?。?/td> 0K
描述: IC MCU 8BIT 17KB 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: 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: 40-DIP(0.600",15.24mm)
包裝: 管件
2011 Silicon Storage Technology, Inc.
DS25088A
10/11
28
FlashFlex MCU
SST89E52RC / SST89E54RC
Data Sheet
A Microchip Technology Company
Chip-Erase
The Chip-Erase 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 12 for the default boot vector setting.
Table 12:Default Boot Vector Settings
Device
Address
SST89E54RC
4000H
SST89E52RC
2000H
T0-0.1 25008
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
1259 F05.0
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