GMS90C320 Datasheet, PDF (22/46 Pages) Hynix Semiconductor – HYNIX SEMICONDUCTOR INC. 8-BIT SINGLE-CHIP MICROCONTROLLERS

GMS90C320
Interrupt System
The GMS90C320 provides 6 interrupt sources with two priority levels. Figure 3 gives a general overview of the interrupt
sources and illustrates the request and control flags.
Timer 0 Overflow
TF0
TCON.5
ET0
IE.1
P1.1/
T2EX
Timer 1 Overflow
TF1
TCON.7
Timer 2 Overflow
TF2
T2CON.7
EXEN2
T2CON.3
USART
EXF2
T2CON.6
RI
SCON.0
TI
SCON.1
ET1
IE.3
ET2
IE.5
ES
IE.4
P3.2/
INT0
IT0
TCON.0
P3.3/
INT1
IT1
TCON.2
IE0
TCON.1
EX0
IE.0
IE1
TCON.3
EX1
IE.2
PT0
IP.1
PT1
IP.3
PT2
IP.5
PS
IP.4
PX0
IP.0
EA
PX1
IE.7
IP.2
High Priority
Low Priority
Figure 3
Interrupt Request Sources
18
OCT. 2000 Ver 1.2