C8051F302-GSR Silicon Labs, C8051F302-GSR Datasheet - Page 75
C8051F302-GSR
Manufacturer Part Number
C8051F302-GSR
Description
8-bit Microcontrollers - MCU 8KB 8ADC 14Pin MCU
Manufacturer
Silicon Labs
Datasheet
1.C8051F301-GSR.pdf
(178 pages)
Specifications of C8051F302-GSR
Rohs
yes
Core
8051
Data Bus Width
8 bit
Processor Series
C8051
- Current page: 75 of 178
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8.3.5. 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 interrupt
conditions for the peripheral and the behavior of its interrupt-pending flag(s).
Bit7:
Bit6:
Bit5:
Bit4:
Bit3:
Bit2:
Bit1:
Bit0:
R/W
EA
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.
IEGF0: General Purpose Flag 0.
This is a general purpose flag for use under software control.
ET2: Enable Timer 2 Interrupt.
This bit sets the masking of the Timer 2 interrupt.
0: Disable Timer 2 interrupt.
1: Enable interrupt requests generated by the TF2L or TF2H flags.
ES0: Enable UART0 Interrupt.
This bit sets the masking of the UART0 interrupt.
0: Disable UART0 interrupt.
1: Enable UART0 interrupt.
ET1: Enable Timer 1 Interrupt.
This bit sets the masking of the Timer 1 interrupt.
0: Disable all Timer 1 interrupt.
1: Enable interrupt requests generated by the TF1 flag.
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 input.
ET0: Enable Timer 0 Interrupt.
This bit sets the masking of the Timer 0 interrupt.
0: Disable all Timer 0 interrupt.
1: Enable interrupt requests generated by the TF0 flag.
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 input.
IEGF0
R/W
Bit6
ET2
SFR Definition 8.7.
R/W
Bit5
ES0
R/W
Bit4
Rev. 2.9
ET1
R/W
Bit3
IE: Interrupt Enable
EX1
R/W
Bit2
C8051F300/1/2/3/4/5
ET0
R/W
Bit1
(bit addressable)
EX0
R/W
Bit0
SFR Address:
00000000
Reset Value
0xA8
75
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