Datasheet

Interrupts
7−2
SLLS535E − April 2008TUSB6250
7.1.1 IE: Interrupt Enable Register (SFR at A8)
76543210
EA RSV EI5 ES ET1 RSV ETO RSV
R/W R/O R/W R/W R/W R/O R/W R/O
BIT
NAME RESET FUNCTION
0 RSV 0 Reserved
1 ET0 0 Enable or disable timer-0 interrupt.
ET0 = 0 Timer-0 interrupt is disabled
ET0 = 1 Timer-0 interrupt is enabled
2 RSV 0 Reserved
3 ET1 0 Enable or disable timer-1 interrupt.
ET1 = 0 Timer-1 interrupt is disabled
ET1 = 1 Timer-1 interrupt is enabled
4 ES 0 Enable or disable serial port interrupts.
ES = 0 Serial port interrupt is disabled
ES = 1 Serial port interrupt is enabled
5 EI5 0 Used for all internal interrupts.
EI5 = 0 INT5 is disabled
EI5 = 1 INT5 is enabled
6 RSV 0 Reserved
7 EA 0 Enable or disable all interrupts (global disable).
EA = 0 Disable all interrupts
EA = 1 Each interrupt source is individually controlled
7.1.2 IP: Interrupt Priority Register (SFR at B8)
76543210
RSV RSV PI5 PS PT1 RSV PT0 RSV
R/O R/O R/W R/W R/W R/O R/W R/O
BIT
NAME RESET FUNCTION
0 RSV 0 Reserved
1 PT0 0 Selects ET0 priority.
PT0 = 0 Low priority
PT0 = 1 High priority
2 RSV 0 Reserved
3 PT1 0 Selects ET1 priority.
PT1 = 0 Low priority
PT1 = 1 High priority
4 PS 0 Selects ES priority.
PS = 0 Low priority
PS = 1 High priority
5 PI5 0 Selects EI5 priority.
PI5 = 0 Low priority
PI5 = 1 High priority
7−6 RSV 00 Reserved