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Abov A96G166 User Manual

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6. Interrupt controller A96G166/A96A166/A96S166 User’s manual
56
6.3 Interrupt vector table
Interrupt controller of A96G166/A96A166/A96S166 supports 21 interrupt sources as shown in Table 8.
When interrupt is served, long call instruction (LCALL) is executed and program counter jumps to the
vector address. All interrupt requests have their own priority order.
Table 8. Interrupt Vector Address Table
Interrupt source
Symbol
Interrupt
Enable Bit
Priority
Mask
Vector
address
Hardware Reset
RESETB
―
0
Non-Maskable
0000H
External Interrupt 10
INT0
IE.0
1
Maskable
0003H
External Interrupt 11
INT1
IE.1
2
Maskable
000BH
External Interrupt 12
INT2
IE.2
3
Maskable
0013H
-
INT3
IE.3
4
Maskable
001BH
-
INT4
IE.4
5
Maskable
0023H
External Interrupt 0-4
INT5
IE.5
6
Maskable
002BH
External Interrupt 5
INT6
IE1.0
7
Maskable
0033H
External Interrupt 6
INT7
IE1.1
8
Maskable
003BH
I2C Interrupt
INT8
IE1.2
9
Maskable
0043H
USART1 RX Interrupt
INT9
IE1.3
10
Maskable
004BH
USART1 TX Interrupt
INT10
IE1.4
11
Maskable
0053H
USART0 RX Interrupt
INT11
IE1.5
12
Maskable
005BH
USART0 TX Interrupt
INT12
IE2.0
13
Maskable
0063H
T0 Match Interrupt
INT13
IE2.1
14
Maskable
006BH
T1 Match Interrupt
INT14
IE2.2
15
Maskable
0073H
T2 Match Interrupt
INT15
IE2.3
16
Maskable
007BH
-
INT16
IE2.4
17
Maskable
0083H
External Interrupt 7-A
INT17
IE2.5
18
Maskable
008BH
ADC Interrupt
INT18
IE3.0
19
Maskable
0093H
CRC Interrupt
INT19
IE3.1
20
Maskable
009BH
WT Interrupt
INT20
IE3.2
21
Maskable
00A3H
WDT Interrupt
INT21
IE3.3
22
Maskable
00ABH
BIT Interrupt
INT22
IE3.4
23
Maskable
00B3H
LVI Interrupt
INT23
IE3.5
24
Maskable
00BBH
For maskable interrupt execution, EA bit must set ‘1’ and specific interrupt must be enabled by writing
‘1’ to associated bit in the IEx. If an interrupt request is received, the specific interrupt request flag is
set to ‘1’.

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Abov A96G166 Specifications

General IconGeneral
BrandAbov
ModelA96G166
CategoryComputer Hardware
LanguageEnglish

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