AT89C51ID2-SMSIM ATMEL [ATMEL Corporation], AT89C51ID2-SMSIM Datasheet - Page 72

• Manufacturer Part Number: AT89C51ID2-SMSIM
• Description: 8-bit Flash Microcontroller
• Manufacturer: ATMEL [ATMEL Corporation]

Interrupt Sources and
Vector Addresses
72
AT89C51ID2
Table 55. Interrupt Sources and Vector Addresses
Number
0
1
2
3
4
5
6
7
8
9
9
Polling Priority
0
1
2
3
4
6
7
5
8
9
9
Interrupt Source
Keyboard
Timer 0
Timer 1
Timer 2
UART
Reset
INT0
INT1
PCA
TWI
SPI
CF + CCFn (n = 0-4)
TF2+EXF2
Interrupt
Request
KBDIT
TWIIT
RI+TI
SPIIT
TF0
IE0
IE1
IF1
4289A–8051–09/03
Address
Vector
0000h
0003h
000Bh
0013h
001Bh
0023h
002Bh
0033h
003Bh
0043h
004Bh