參數(shù)資料
型號(hào): AT89C5115-TISUM
廠商: Atmel
文件頁數(shù): 46/113頁
文件大小: 0K
描述: IC 8051 MCU FLASH 16K 28SOIC
產(chǎn)品培訓(xùn)模塊: MCU Product Line Introduction
標(biāo)準(zhǔn)包裝: 972
系列: 89C
核心處理器: 8051
芯體尺寸: 8-位
速度: 40MHz
連通性: UART/USART
外圍設(shè)備: POR,PWM,WDT
輸入/輸出數(shù): 20
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> 2K x 8
RAM 容量: 512 x 8
電壓 - 電源 (Vcc/Vdd): 3 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x10b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 28-SOIC(0.400",10.16mm 寬)
包裝: 管件
配用: AT89OCD-01-ND - USB EMULATOR FOR AT8XC51 MCU
38
AT89C5115
4128G–8051–02/08
Figure 16. Hardware Programming Procedure
Reading the Flash Spaces
User
The following procedure is used to read the User space:
Read one byte in Accumulator by executing MOVC A,@A+DPTR with A+DPTR is
the address of the code byte to read.
Note:
FCON must be cleared (00h) when not used.
Extra Row
The following procedure is used to read the Extra Row space and is summarized in
Map the Extra Row space by writing 02h in FCON register.
Read one byte in Accumulator by executing MOVC A,@A+DPTR with A= 0 &
DPTR= FF80h to FFFFh.
Clear FCON to unmap the Extra Row.
Hardware Security Byte
The following procedure is used to read the Hardware Security Byte and is sum-
marized in Figure 17:
Map the Hardware Security space by writing 04h in FCON register.
Read the byte in Accumulator by executing MOVC A,@A+DPTR with A= 0 &
DPTR= 0000h.
Clear FCON to unmap the Hardware Security Byte.
Flash Spaces
Programming
Save & Disable IT
EA = 0
Launch Programming
FCON = 54h
FCON = A4h
End Programming
RestoreIT
FBusy
Cleared?
Clear Mode
FCON = 00h
Data Load
DPTR = 00h
ACC = Data
Exec: MOVX @DPTR, A
FCON = 0Ch
Save & Disable IT
EA = 0
End Loading
Restore IT
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