T89C5115_08 ATMEL [ATMEL Corporation], T89C5115_08 Datasheet - Page 89
T89C5115_08
Manufacturer Part Number
T89C5115_08
Description
Low Pin Count 8-bit Microcontroller with A/D Converter and 16 KBytes Flash Memory
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.T89C5115_08.pdf
(113 pages)
- Current page: 89 of 113
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Interrupt System
Introduction
Figure 42. Interrupt Control System
4128G–8051–02/08
CEX0:1
AIN1:0
INT0#
INT1#
RxD
TxD
Interrupt 0
Interrupt 1
Timer 1
External
External
Timer 0
Timer 2
UART
PCA
ADC
The T89C5115 has a total of 8 interrupt vectors: two external interrupts (INT0 and
INT1), three timer interrupts (timers 0, 1 and 2), a serial port interrupt, a PCAand an
ADC. These interrupts are shown below.
EADC
Interrupt Enable
IEN0.0
IEN0.1
IEN0.2
IEN0.3
IEN0.6
IEN0.4
IEN0.5
IEN1.1
EX0
ET0
EX1
ET1
ET2
EC
ES
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
Lowest Priority Interrupts
Highest
Priority
Interrupts
89
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