ST7FDALI 데이터 시트보기 (PDF) - STMicroelectronics

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ST7FDALI

8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, TIMERS, SPI, DALI

STMicroelectronics 

ST7DALI

Figure 12. Clock Management Block Diagram

CR7 CR6 CR5 CR4 CR3 CR2 CR1 CR0 RCCR

CLKIN

CLKIN

/OSC1

OSC2

Tunable

1% RC Oscillator

fCPU

PLL

8MHz -> 32MHz

12-BIT

AT TIMER 2

OSC,PLLOFF,

OSCRANGE[2:0]

Option bits

CLKIN

CLKIN

/2

DIVIDER

PLL 1MHz -> 8MHz

PLL 1MHz -> 4MHz

CLKIN/2

RC OSC

PLLx4x8

CLKIN/2

fOSC

OSC

1-16 MHZ

or 32kHz

OSC /2

DIVIDER

OSC/2

fOSC /32 DIVIDER

8-BIT

LITE TIMER 2 COUNTER

fOSC/32

1

fOSC 0

OSC,PLLOFF,

OSCRANGE[2:0]

Option bits

fLTIMER

(1ms timebase @ 8 MHz fOSC)

fCPU

TO CPU AND

PERIPHERALS

MCO SMS MCCSR

fCPU

MCO

25/141

1

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