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T89C5115-RATIM Datasheet(PDF) 89 Page - ATMEL Corporation

Part # T89C5115-RATIM
Description  Low Pin Countl 8-bit Microcontroller with A/D Converter and 16 KBytes Flash Memory
PDF  113 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

T89C5115-RATIM Datasheet(HTML) 89 Page - ATMEL Corporation

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AT89C5115
4128F–8051–05/06
Interrupt System
Introduction
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.
Figure 42. Interrupt Control System
EX0
IEN0.0
00
01
10
11
External
Interrupt 0
INT0#
EX1
IEN0.2
External
Interrupt 1
INT1#
ET0
IEN0.1
Timer 0
EC
IEN0.6
PCA
ET1
IEN0.3
Timer 1
ES
IEN0.4
UART
Interrupt Enable
Lowest Priority Interrupts
Highest
Priority Enable
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
Priority
Interrupts
AIN1:0
IPH/L
Timer 2
00
01
10
11
ET2
IEN0.5
TxD
RxD
CEX0:1
ADC
00
01
10
11
EADC
IEN1.1
EA
IEN0.7



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