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T89C5115 Datasheet(PDF) 59 Page - ATMEL Corporation

No. de Pieza. T89C5115
Descripción  Low Pin Countl 8-bit Microcontroller with A/D Converter and 16 KBytes Flash Memory
Descarga  113 Pages
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Fabricante  ATMEL [ATMEL Corporation]
Página de inicio  http://www.atmel.com
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T89C5115 Datasheet(HTML) 59 Page - ATMEL Corporation

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AT89C5115
4128F–8051–05/06
Registers
Table 37. TCON Register
TCON (S:88h)
Timer/Counter Control Register
Reset Value = 0000 0000b
76
54
32
1
0
TF1
TR1
TF0
TR0
IE1
IT1
IE0
IT0
Bit
Number
Bit
Mnemonic
Description
7TF1
Timer 1 Overflow Flag
Cleared by hardware when processor vectors to interrupt routine.
Set by hardware on Timer/Counter overflow, when Timer 1 register overflows.
6TR1
Timer 1 Run Control bit
Clear to turn off Timer/Counter 1.
Set to turn on Timer/Counter 1.
5TF0
Timer 0 Overflow Flag
Cleared by hardware when processor vectors to interrupt routine.
Set by hardware on Timer/Counter overflow, when Timer 0 register overflows.
4TR0
Timer 0 Run Control bit
Clear to turn off Timer/Counter 0.
Set to turn on Timer/Counter 0.
3IE1
Interrupt 1 Edge Flag
Cleared by hardware when interrupt is processed if edge-triggered (See IT1).
Set by hardware when external interrupt is detected on INT1# pin.
2IT1
Interrupt 1 Type Control bit
Clear to select low level active (level triggered) for external interrupt 1 (INT1#).
Set to select falling edge active (edge triggered) for external interrupt 1.
1IE0
Interrupt 0 Edge Flag
Cleared by hardware when interrupt is processed if edge-triggered (See IT0).
Set by hardware when external interrupt is detected on INT0# pin.
0IT0
Interrupt 0 Type Control bit
Clear to select low level active (level triggered) for external interrupt 0 (INT0#).
Set to select falling edge active (edge triggered) for external interrupt 0.


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