參數資料
型號： C8051F011R
廠商： Silicon Laboratories Inc
文件頁數： 162/171頁
文件大?。?/td> 0K
描述： IC 8051 MCU 32K FLASH 48TQFP
標準包裝： 1
系列： C8051F01x
核心處理器： 8051
芯體尺寸： 8-位
速度： 20MHz
連通性： SMBus（2 線/I²C），SPI，UART/USART
外圍設備： 欠壓檢測/復位，POR，PWM，溫度傳感器，WDT
輸入/輸出數： 16
程序存儲器容量： 32KB（32K x 8）
程序存儲器類型： 閃存
RAM 容量： 256 x 8
電壓 - 電源 (Vcc/Vdd)： 2.7 V ~ 3.6 V
數據轉換器： A/D 8x10b; D/A 2x12b
振蕩器型： 內部
工作溫度： -40°C ~ 85°C
封裝/外殼： 48-TQFP
包裝： 剪切帶 (CT)
其它名稱： 336-1006-1
C8051F000/1/2/5/6/7
C8051F010/1/2/5/6/7
prohibited from reading locations in the lower partition using the MOVC instruction.
(Executing a MOVC
instruction from the upper partition with a source address in the lower partition will always return a data value of
0x00.) Software running in the lower partition can access locations in both the upper and lower partition without
restriction.
The Value-added firmware should be placed in the lower partition. On reset, control is passed to the value-added
firmware via the reset vector. Once the value-added firmware completes its initial execution, it branches to a
predetermined location in the upper partition. If entry points are published, software running in the upper partition
may execute program code in the lower partition, but it cannot read the contents of the lower partition. Parameters
may be passed to the program code running in the lower partition either through the typical method of placing them
on the stack or in registers before the call or by placing them in prescribed memory locations in the upper partition.
The SRL address is specified using the contents of the Flash Access Register. The 16-bit SRL address is calculated
as 0xNN00, where NN is the contents of the SRL Security Register. Thus, the SRL can be located on 256-byte
boundaries anywhere in program memory space. However, the 512-byte erase sector size essentially requires that a
512 boundary be used. The contents of a non-initialized SRL security byte is 0x00, thereby setting the SRL address
to 0x0000 and allowing read access to all locations in program memory space by default.
Figure 11.3. FLACL: Flash Access Limit (C8051F005/06/07/15/16/17 only)
R/W
Reset Value
00000000
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
SFR Address:
0xB7
Bits 7-0: FLACL: Flash Access Limit.
This register holds the high byte of the 16-bit program memory read/write/erase limit
address. The entire 16-bit access limit address value is calculated as 0xNN00 where NN is
replaced by contents of FLACL. A write to this register sets the Flash Access Limit. This
register can only be written once after any reset. Any subsequent writes are ignored
until the next reset.
Rev. 1.7
90
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相關代理商/技術參數
參數描述
C8051F012 功能描述:8位微控制器 -MCU 32KB 10ADC RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
C8051F012/005 制造商:Silicon Laboratories Inc 功能描述:
C8051F012-GQ 功能描述:8位微控制器 -MCU 32KB 10ADC 32P MCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
C8051F012-GQR 功能描述:8位微控制器 -MCU 32KB 10ADC 32Pin MCU Tape and Reel RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
C8051F012-PX0005GQ 制造商:Silicon Laboratories Inc 功能描述:
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