參數(shù)資料
型號: C8051F221
廠商: Silicon Laboratories Inc
文件頁數(shù): 126/146頁
文件大小: 0K
描述: IC 8051 MCU 8K FLASH 32LQFP
標準包裝: 250
系列: C8051F2xx
核心處理器: 8051
芯體尺寸: 8-位
速度: 25MHz
連通性: SPI,UART/USART
外圍設備: 欠壓檢測/復位,POR,WDT
輸入/輸出數(shù): 22
程序存儲器容量: 8KB(8K 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(shù)據(jù)轉(zhuǎn)換器: A/D 22x8b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 32-LQFP
包裝: 托盤
C8051F2xx
80
Rev. 1.6
SFR Definition 9.11. EIE2: Extended Interrupt Enable 2
Bit7:
EXVLD: Enable External Clock Source Valid (XTLVLD) Interrupt.
This bit sets the masking of the XTLVLD interrupt.
0: Disable all XTLVLD interrupts.
1: Enable interrupt requests generated by the XTLVLD flag (OSCXCN.7)
Bit6:
Reserved. Must write 0. Reads 0.
Bit5:
ESCI3: Enable Software Controlled Interrupt 3.
This bit sets the masking of Software Controlled Interrupt 3.
0: Disable Software Controlled Interrupt 3.
1: Enable interrupt requests generated setting the Software Controlled Interrupt Bit 3.
Bit4:
ESCI2: Enable Software Controlled Interrupt 2.
This bit sets the masking of Software Controlled Interrupt 2.
0: Disable Software Controlled Interrupt 2.
1: Enable interrupt requests generated setting the Software Controlled Interrupt Bit 2.
Bit3:
ESCI1: Enable Software Controlled Interrupt 1.
This bit sets the masking of Software Controlled Interrupt 1.
0: Disable Software Controlled Interrupt 1.
1: Enable interrupt requests generated setting the Software Controlled Interrupt Bit 1.
Bit2:
ESCI0: Enable Software Controlled Interrupt 0.
This bit sets the masking of Software Controlled Interrupt 0.
0: Disable Software Controlled Interrupt 0.
1: Enable interrupt requests generated setting the Software Controlled Interrupt Bit 0.
Bit1:
EADC0: Enable ADC0 End of Conversion Interrupt.
This bit sets the masking of the ADC0 End of Conversion Interrupt.
0: Disable ADC0 Conversion Interrupt.
1: Enable interrupt requests generated by the ADC0 Conversion Interrupt.
Bit0:
Reserved. Read = 0, Write = don't care.
R/W
Reset Value
EXVLD
-
ESCI3
ESCI2
ESCI1
ESCI0
EADC0
-
00000000
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
SFR Address:
0xE7
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