AT89C5122 ATMEL [ATMEL Corporation], AT89C5122 Datasheet - Page 160
AT89C5122
Manufacturer Part Number
AT89C5122
Description
MICROCONTROLLER WITH USB AND SMART CARD READER INTERFACES
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT89C5122.pdf
(213 pages)
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Figure 100. Interrupt Control System
160
CPRES
INT0#
P5.x
MISO
MOSI
CCLK
SCK
RXD
INT1
RXD
TXD
CIO
note (1) : Not applicable to AT83C5123
D+
D-
AT8xC5122/23
OELEV
ISEL.3
CPLEV
ISEL.7
0
1
1
0
CONTROLLER
CONTROLLER
CONTROLLER
CONTROLLER
SMART CARD
INTERFACE
INTERFACE
ISEL.1
PRESEN
ISEL.0
ISEL.2
RXEN
OEEN
SERIAL
KBLSx
USB
SPI
0
1
KBFx
TCON.0
TCON.2
IT0
IT1
0
1
0
1
PRESIT
TCON.3
TCON.1
TCON.5
TCON.7
SCON.0
SCON.1
ISEL.5
KBEx
ISEL.4
RXIT
IE0
IE1
TF1
TF0
RI
TI
(1)
ESPI
IEN0.0
IEN0.1
IEN0.2
IEN0.3
IEN0.4
EKB
IEN1.0
IEN1.2
IEN1.3
IEN1.6
EUSB
ESCI
EX0
ET0
EX1
ET1
ES
Interrupt Enable
(1)
(1)
IEN0.7
EA
Priority Enable
IPH/L
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
Lowest Priority
Interrupts
Highest Priority
4202D–SCR–06/05
Interrupts
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