Datasheet

35
AT89C5132
4173C–USB–07/04
Figure 19. Interrupt Control System
EI2C
IEN1.1
EMMC
IEN1.0
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
Two-wire
Controller
IPH/L
Interrupt Enable Lowest Priority Interrupts
Highest
KIN3:0
Priority Enable
SCK
SI
SO
SCL
SDA
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
00
01
10
11
Priority
Interrup
ts
ES
IEN0.4
Serial
Port
00
01
10
11
TXD
RXD
MCLK
MDAT
MCMD
AIN1:0
D+
D-