Rainbow-electronics T89C51CC01 Manuel d'utilisateur télécharger pdf (Page 18)

18

T89C51CC01

Rev. D – 17-Dec-01

Figure 5. Clock CPU Generation Diagram

XTAL1

XTAL2

PD

PCON.1

CPU Core

1

0

÷ 2

PERIPH

CLOCK

Clock

Peripheral Clock Symbol

CPU

CLOCK

CPU Core Clock Symbol

X2

CKCON.0

X2B

Hardware byte

CANX2

CKCON.7

WDX2

CKCON.6

PCAX2

CKCON.5

SIX2

CKCON.4

T2X2

CKCON.3

T1X2

CKCON.2

T0X2

CKCON.1

IDL

PCON.0

1

0

÷ 2

1

0

÷ 2

1

0

÷ 2

1

0

÷ 2

1

0

÷ 2

1

0

÷ 2

1

0

÷ 2

X2

CKCON.0

FCan Clock

FWd Clock

FPca Clock

FUart Clock

FT2 Clock

FT1 Clock

FT0 Clock

and ADC

On RESET

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 148 149

T89C51CC01 1

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