AT89C51CC02CA-TDSUM ATMEL [ATMEL Corporation], AT89C51CC02CA-TDSUM Datasheet - Page 61
AT89C51CC02CA-TDSUM
Manufacturer Part Number
AT89C51CC02CA-TDSUM
Description
Enhanced 8-bit Microcontroller with CAN Controller and Flash
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT89C51CC02CA-TDSUM.pdf
(156 pages)
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Registers
4126J–CAN–05/06
Table 38. TCON Register
TCON (S:88h)
Timer/Counter Control Register
Reset Value = 0000 0000b
Number
TF1
Bit
7
7
6
5
4
3
2
1
0
Mnemonic Description
TR1
TR1
TR0
Bit
TF1
TF0
IE1
IT1
IE0
IT0
6
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.
Timer 1 Run Control bit
Clear to turn off Timer/Counter 1.
Set to turn on Timer/Counter 1.
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.
Timer 0 Run Control bit
Clear to turn off Timer/Counter 0.
Set to turn on Timer/Counter 0.
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.
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.
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.
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.
TF0
5
TR0
4
IE1
3
AT/T89C51CC02
IT1
2
IE0
1
IT0
0
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