T89C51CC02 Atmel, T89C51CC02 Datasheet - Page 121

• Manufacturer Part Number: T89C51CC02
• Description: 8-Bit MCU
• Manufacturer: Atmel

18. Interrupt System
18.1. Introduction
The CAN Controller has a total of 10 interrupt vectors: two external interrupts (INT0 and INT1), three timer
interrupts (timers 0, 1 and 2), a serial port interrupt, a PCA, a CAN interrupt, a timer overrun interrupt and an
ADC. These interrupts are shown below.
Rev.A - May 17, 2001
CEX0:5
AIN1:0
INT0#
INT1#
RxDC
TxDC
TxD
RxD
CAN Timer
Interrupt 0
Interrupt 1
controller
Converter
External
External
Timer 0
Timer 1
Timer 2
A to D
UART
CAN
PCA
Figure 126. Interrupt Control System
Preliminary
ECAN
EADC
ETIM
IEN1.0
IEN1.1
IEN1.2
IEN0.0
IEN0.1
IEN0.2
IEN0.3
IEN0.6
IEN0.4
IEN0.5
Interrupt Enable
EX0
EX1
ET0
ET1
ET2
EC
ES
IE0.7
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
00
01
10
11
T89C51CC02
Lowest Priority Interrupts
Highest
Priority
Interrupts
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