ST7PLITE39F2B6TR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

ST7PLITE39F2B6TR

8-bit MCU with single voltage Flash, data EEPROM, ADC, timers, SPI, LINSCI™

STMicroelectronics 

ST7LITE3xF2

Figure 13. Clock Management Block Diagram

CR9 CR8 CR7 CR6 CR5 CR4 CR3 CR2 RCCR

CR1 CR0

SICSR

Tunable

1% RC Oscillator

1MHz

OSCRANGE[2:0]

Option bits

CLKIN

CLKIN

fCLKIN CLKIN

/2

DIVIDER

CLKIN/2 (Ext Clock)

RC OSC

8MHz

PLL 1MHz -> 8MHz

PLL 1MHz -> 4MHz 4MHz

PLL

Clock

fOSC

OSC Option bit

PLLx4x8

OSC,PLLOFF,

OSCRANGE[2:0]

Option bits

CLKIN/

OSC1

OSC2

OSC

1-16 MHZ

or 32kHz

/2

DIVIDER

Crystal OSC /2

fOSC /32 DIVIDER

8-BIT

LITE TIMER 2 COUNTER

fOSC/32

1

fOSC 0

fLTIMER

(1ms timebase @ 8 MHz fOSC)

fCPU

TO CPU AND

PERIPHERALS

MCO SMS MCCSR

fCPU

MCO

25/173

1

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