Rainbow Electronics AT89C5122 - Manual (Page 160)

160
AT8xC5122/23
4202E–SCR–06/06
Figure 100. Interrupt Control System
IE0
SPI
SMART CARD
INT1
CPRES
RXD
RXEN
0
1
IE1
1
0
0
1
PRESIT
ISEL.0
ISEL.4
RXIT
OEEN
ISEL.2
OELEV
ISEL.3
IT1
TCON.2
TCON.3
PRESEN
ISEL.1
CPLEV
ISEL.7
ISEL.5
0
1
IT0
TCON.0
TF0
TF1
RI
TI
ET1
IEN0.3
EUSB
IEN1.6
ES
IEN0.4
EX0
IEN0.0
00
01
10
11
EA
IEN0.7
ET0
IEN0.1
EX1
IEN0.2
EKB (1)
IEN1.0
ESPI (1)
IEN1.2
IPH/L
Interrupt Enable
Lowest Priority
Priority Enable
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
ESCI
IEN1.3
00
01
10
11
Highest Priority
Interrupts
Interrupts
TCON.1
INT0#
RXD
TXD
D+
D-
CIO
CCLK
MOSI
SCK
MISO
TCON.5
TCON.7
SCON.0
SCON.1
P5.x
0
1
KBFx
KBEx KBLSx
SERIAL
INTERFACE
CONTROLLER
CONTROLLER
USB
CONTROLLER
CONTROLLER
INTERFACE
note (1) : Not applicable to AT83C5123
(1)