CC2430
8051 CPU : Interrupts
IRCON (0xC0) – Interrupt Flags 4
Bit
Name
Reset
R/W
Description
7
0
R/W
STIF – Sleep timer interrupt flag
STIF
0
1
Interrupt not pending
Interrupt pending
6
5
0
0
R/W
R/W
Must be written 0. Writing a 1 will always enable interrupt source.
P0IF – Port 0 interrupt flag
-
P0IF
0
1
Interrupt not pending
Interrupt pending
4
3
2
1
0
0
0
0
0
0
R/W
H0
T4IF – Timer 4 interrupt flag. Set to 1 when Timer 4 interrupt
occurs and cleared when CPU vectors to the interrupt service
routine.
T4IF
T3IF
T2IF
T1IF
DMAIF
0
1
Interrupt not pending
Interrupt pending
R/W
H0
T3IF – Timer 3 interrupt flag. Set to 1 when Timer 3 interrupt
occurs and cleared when CPU vectors to the interrupt service
routine.
0
1
Interrupt not pending
Interrupt pending
R/W
H0
T2IF – Timer 2 interrupt flag. Set to 1 when Timer 2 interrupt
occurs and cleared when CPU vectors to the interrupt service
routine.
0
1
Interrupt not pending
Interrupt pending
R/W
H0
T1IF – Timer 1 interrupt flag. Set to 1 when Timer 1 interrupt
occurs and cleared when CPU vectors to the interrupt service
routine.
0
1
Interrupt not pending
Interrupt pending
R/W
DMAIF – DMA complete interrupt flag.
0
1
Interrupt not pending
Interrupt pending
CC2430 Data Sheet (rev. 2.1) SWRS036F
Page 56 of 211
TAOS [ TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS ]
