Rainbow Electronics AT89C5132 - Manual (Page 38)

38
AT8xC5132
4173A–8051–08/02
Figure 21. Interrupt Control System
EI2C
IEN1.1
EUSB
IEN1.6
ESPI
IEN1.2
EX0
IEN0.0
00
01
10
11
External
Interrupt 0
INT0
EA
IEN0.7
EX1
IEN0.2
External
Interrupt 1
INT1
ET0
IEN0.1
Timer 0
ET1
IEN0.3
Timer 1
EAUD
IEN0.6
Audio
Interface
EADC
IEN1.3
A-to-D
Converter
SPI
Controller
USB
Controller
EKB
IEN1.4
Keyboard
MMC
Controller
IPH/L
Interrupt Enable Lowest Priority Interrupts
Highest
KIN3:0
Priority Enable
SCK
SI
SO
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
Priority
Interrupts
ES
IEN0.4
Serial
Port
00
01
10
11
TXD
RXD
MCLK
MDAT
MCMD
AIN1:0
D+
D-