參數(shù)資料
型號: C8051F019-GQR
廠商: Silicon Laboratories Inc
文件頁數(shù): 118/154頁
文件大?。?/td> 0K
描述: IC 8051 MCU 16K FLASH 48TQFP
產(chǎn)品培訓模塊: Serial Communication Overview
標準包裝: 500
系列: C8051F018
核心處理器: 8051
芯體尺寸: 8-位
速度: 25MHz
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(shù): 16
程序存儲器容量: 16KB(16K x 8)
程序存儲器類型: 閃存
RAM 容量: 1.25K x 8
電壓 - 電源 (Vcc/Vdd): 2.8 V ~ 3.6 V
數(shù)據(jù)轉換器: A/D 8x10b
振蕩器型: 內部
工作溫度: -40°C ~ 85°C
封裝/外殼: 48-TQFP
包裝: 帶卷 (TR)
C8051F018
C8051F019
Figure 8.14. EIP2: Extended Interrupt Priority 2
R/W
Reset Value
PXVLD
-
PX7
PX6
PX5
PX4
PADC0
PT3
00000000
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
SFR Address:
0xF7
Bit7:
PXVLD: External Clock Source Valid (XTLVLD) Interrupt Priority Control.
This bit sets the priority of the XTLVLD interrupt.
0: XTLVLD interrupt set to low priority level.
1: XTLVLD interrupt set to high priority level.
Bit6:
Reserved: Must write 0. Reads 0.
Bit5:
PX7: External Interrupt 7 Priority Control.
This bit sets the priority of the External Interrupt 7.
0: External Interrupt 7 set to low priority level.
1: External Interrupt 7 set to high priority level.
Bit4:
PX6: External Interrupt 6 Priority Control.
This bit sets the priority of the External Interrupt 6.
0: External Interrupt 6 set to low priority level.
1: External Interrupt 6 set to high priority level.
Bit3:
PX5: External Interrupt 5 Priority Control.
This bit sets the priority of the External Interrupt 5.
0: External Interrupt 5 set to low priority level.
1: External Interrupt 5 set to high priority level.
Bit2:
PX4: External Interrupt 4 Priority Control.
This bit sets the priority of the External Interrupt 4.
0: External Interrupt 4 set to low priority level.
1: External Interrupt 4 set to high priority level.
Bit1:
PADC0: ADC End of Conversion Interrupt Priority Control.
This bit sets the priority of the ADC0 End of Conversion Interrupt.
0: ADC0 End of Conversion interrupt set to low priority level.
1: ADC0 End of Conversion interrupt set to high priority level.
Bit0:
PT3: Timer 3 Interrupt Priority Control.
This bit sets the priority of the Timer 3 interrupts.
0: Timer 3 interrupt set to low priority level.
1: Timer 3 interrupt set to high priority level.
Rev. 1.2
66
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