參數(shù)資料
型號: C8051F226
廠商: Silicon Laboratories Inc
文件頁數(shù): 122/146頁
文件大小: 0K
描述: IC 8051 MCU 8K FLASH 48TQFP
標(biāo)準(zhǔn)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(shè)備: 欠壓檢測/復(fù)位,POR,WDT
輸入/輸出數(shù): 32
程序存儲器容量: 8KB(8K x 8)
程序存儲器類型: 閃存
RAM 容量: 1.25K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 32x8b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 48-TQFP
包裝: 托盤
C8051F2xx
Rev. 1.6
77
9.4.6. Interrupt Register Descriptions
The SFRs used to enable the interrupt sources and set their priority level are described below. Refer to
the datasheet section associated with a particular on-chip peripheral for information regarding valid inter-
rupt conditions for the peripheral and the behavior of its interrupt-pending flag(s).
SFR Definition 9.8. IE: Interrupt Enable
Bit7:
EA: Enable All Interrupts.
This bit globally enables/disables all interrupts. It overrides the individual interrupt mask set-
tings.
0: Disable all interrupt sources.
1: Enable each interrupt according to its individual mask setting.
Bit6:
UNUSED. Read = 0, Write = don't care.
Bit5:
ET2: Enable Timer 2 Interrupt.
This bit sets the masking of the Timer 2 interrupt.
0: Disable all Timer 2 interrupts.
1: Enable interrupt requests generated by the TF2 flag (T2CON.7)
Bit4:
ES: Enable Serial Port (UART) Interrupt.
This bit sets the masking of the Serial Port (UART) interrupt.
0: Disable all UART interrupts.
1: Enable interrupt requests generated by the R1 flag (SCON.0) or T1 flag (SCON.1).
Bit3:
ET1: Enable Timer 1 Interrupt.
This bit sets the masking of the Timer 1 interrupt.
0: Disable all Timer 1 interrupts.
1: Enable interrupt requests generated by the TF1 flag (TCON.7).
Bit2:
EX1: Enable External Interrupt 1.
This bit sets the masking of external interrupt 1.
0: Disable external interrupt 1.
1: Enable interrupt requests generated by the /INT1 pin.
Bit1:
ET0: Enable Timer 0 Interrupt.
This bit sets the masking of the Timer 0 interrupt.
0: Disable all Timer 0 interrupts.
1: Enable interrupt requests generated by the TF0 flag (TCON.5).
Bit0:
EX0: Enable External Interrupt 0.
This bit sets the masking of external interrupt 0.
0: Disable external interrupt 0.
1: Enable interrupt requests generated by the /INT0 pin.
R/W
Reset Value
EA
-
ET2
ES
ET1
EX1
ET0
EX0
00000000
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
SFR Address:
(bit addressable)
0xA8
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