参数资料
型号: C8051F226
厂商: Silicon Laboratories Inc
文件页数: 123/146页
文件大小: 0K
描述: IC 8051 MCU 8K FLASH 48TQFP
标准包装: 250
系列: C8051F2xx
核心处理器: 8051
芯体尺寸: 8-位
速度: 25MHz
连通性: SPI,UART/USART
外围设备: 欠压检测/复位,POR,WDT
输入/输出数: 32
程序存储器容量: 8KB(8K x 8)
程序存储器类型: 闪存
RAM 容量: 1.25K x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 3.6 V
数据转换器: A/D 32x8b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 48-TQFP
包装: 托盘
C8051F2xx
78
Rev. 1.6
SFR Definition 9.9. IP: Interrupt Priority
Bits7–6: UNUSED. Read = 00b, Write = don't care.
Bit5:
PT2 Timer 2 Interrupt Priority Control.
This bit sets the priority of the Timer 2 interrupts.
0: Timer 2 interrupts set to low priority level.
1: Timer 2 interrupts set to high priority level.
Bit4:
PS: Serial Port (UART) Interrupt Priority Control.
This bit sets the priority of the Serial Port (UART) interrupts.
0: UART interrupts set to low priority level.
1: UART interrupts set to high priority level.
Bit3:
PT1: Timer 1 Interrupt Priority Control.
This bit sets the priority of the Timer 1 interrupts.
0: Timer 1 interrupts set to low priority level.
1: Timer 1 interrupts set to high priority level.
Bit2:
PX1: External Interrupt 1 Priority Control.
This bit sets the priority of the External Interrupt 1 interrupts.
0: External Interrupt 1 set to low priority level.
1: External Interrupt 1 set to high priority level.
Bit1:
PT0: Timer 0 Interrupt Priority Control.
This bit sets the priority of the Timer 0 interrupts.
0: Timer 0 interrupts set to low priority level.
1: Timer 0 interrupt set to high priority level.
Bit0:
PX0: External Interrupt 0 Priority Control.
This bit sets the priority of the External Interrupt 0 interrupts.
0: External Interrupt 0 set to low priority level.
1: External Interrupt 0 set to high priority level.
R/W
Reset Value
-
PT2
PS
PT1
PX1
PT0
PX0
00000000
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
SFR Address:
(bit addressable)
0xB8
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