AT89C51CC03C-RLTIM 查看數據表（PDF） - Atmel Corporation

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AT89C51CC03C-RLTIM

Enhanced 8-bit MCU with CAN Controller and Flash Memory

Atmel Corporation 

AT89C51CC03

Figure 5. Clock CPU Generation Diagram

X2B

Hardware byte On RESET

X2

CKCON.0

PCON.0

IDL

XTAL1

XTAL2

÷2

0

1

CPU Core

Clock

CPU

CLOCK

PD

PCON.1

CPU Core Clock Symbol

and ADC

÷2

1

0

÷2

1

0

÷2

1

0

÷2

1

0

÷2

1

0

÷2

1

0

÷2

1

0

FT0 Clock

FT1 Clock

FT2 Clock

FUart Clock

FPca Clock

FWd Clock

FCan Clock

÷2

1

0

FSPIClock

X2

CKCON.0

PERIPH

CLOCK

SPIX2 CANX2 WDX2 PCAX2 SIX2 T2X2 T1X2 T0X2

Peripheral

CKCON1.0 CKCON0.7 CKCON0.6 CKCON0.5 CKCON0.4 CKCON0.3 CKCON0.2 CKCON0.1 Clock Symbol

19

4182K–CAN–05/06

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