參數(shù)資料
型號: SST89E54RC-33-C-NJE
廠商: Microchip Technology
文件頁數(shù): 24/71頁
文件大?。?/td> 0K
描述: IC MCU 8BIT 17KB FLASH 44PLCC
標(biāo)準(zhǔn)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,UART/USART
外圍設(shè)備: POR,WDT
輸入/輸出數(shù): 32
程序存儲器容量: 16KB(16K x 8)
程序存儲器類型: 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: 44-LCC(J 形引線)
包裝: 管件
2011 Silicon Storage Technology, Inc.
DS25088A
10/11
30
FlashFlex MCU
SST89E52RC / SST89E54RC
Data Sheet
A Microchip Technology Company
Byte-Program
The Byte-Program command programs data into a single byte. The address is determined by the con-
tents of SFAH and SFAL. The data byte is in SFDT.
Byte-Verify
The Byte-Verify command allows the user to verify that the device has correctly performed an Erase or
Program command. Byte-Verify command returns the data byte in SFDT if the command is successful.
The previous flash operation has to be fully completed before a Byte-Verify command can be issued.
Move data to SFDT
MOV SFDT, #data
Command Execution
MOV SFCM, #0EH
SFCF[7] indicates
operation completion
Program byte address
MOV SFAH, #byte_addressH
MOV SFAL, #byte_addressL
1259 F08.0
IAP Enable
ORL SFCF, #40H
Feed Sequence
MOV SFIS0, #A2H
MOV SFIS1, #DFH
MOV SFCM, #0CH
SFDT register
contains data
Program byte address
MOV SFAH, #byte_addressH
MOV SFAL, #byte_addressL
1259 F09.0
IAP Enable
ORL SFCF, #40H
Feed Sequence
MOV SFIS0, #A2H
MOV SFIS1, #DFH
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