Datasheet

Interrupts
7−3
SLLS535E − April 2008 TUSB6250
7.1.3 IE1: Interrupt Enable Register (SFR at E8)
76543210
RSV RSV RSV RSV RSV RSV RSV EI6
R/O R/O R/O R/O R/O R/O R/O R/W
BIT
NAME RESET FUNCTION
0 EI6 0 Enable or disable RTK interrupt.
EI6 = 0 RTK interrupt is disabled
EI6 = 1 RTK interrupt is enabled
7−1 RSV 0 Reserved
7.1.4 IP1: Interrupt Priority Register (SFR at F8)
76543210
RSV RSV RSV RSV RSV RSV RSV PI6
R/O R/O R/O R/O R/O R/O R/O R/W
BIT NAME RESET FUNCTION
0 PI6 0 Selects EI6 priority.
EI6 = 0 Low priority
EI6 = 1 High priority
7−1 RSV 0000 000 Reserved
7.1.5 TCON: Timer/Counter Control Register (SFR at 88)
The TCON register is the standard 8051 TCON register.
76543210
TF1 TR1 TF0 TR0 RSV RSV RSV RSV
R/W R/W R/W R/W R/O R/O R/O R/O
BIT NAME RESET FUNCTION
3−0 RSV 0h Reserved
4 TR0 0 Timer-0 control bit
TR0 = 0 Timer is halted.
TR0 = 1 Timer is running.
5 TF0 0 Timer-0 overflow flag
TF0 = 0 Cleared by hardware when the MCU calls the interrupt routine
TF0 = 1 Set by hardware when the timer overflows
6 TR1 0 Timer-1 control bit
TR1 = 0 Timer is halted.
TR1 = 1 Timer is running.
7 TF1 0 Timer-1 overflow flag
TF1 = 0 Cleared by hardware when the MCU calls the interrupt routine
TF1 = 1 Set by hardware when the timer overflows