ST7LITES2 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST7LITES2

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

STMicroelectronics 

SUPPLY, RESET AND CLOCK MANAGEMENT (Cont’d)

ST7LITE0x, ST7LITESx

Figure 13. Clock Management Block Diagram

CLKIN

CR7 CR6 CR5 CR4 CR3 CR2 CR1 CR0 RCCR

1MHz

Tunable

1% RC Oscillator

/2 DIVIDER

PLL 1MHz -> 8MHz

PLL 1MHz -> 4MHz

8MHz

4MHz

Option byte

0 to 8 MHz

fOSC

Option byte

fOSC /32 DIVIDER

7

8-BIT

LITE TIMER COUNTER

fLTIMER

(1ms timebase @ 8 MHz fOSC)

fOSC/32

1

fOSC

0

MCO SMS MCCSR

0

fCPU

TO CPU AND

PERIPHERALS

(except LITE

TIMER)

fCPU

MCO

27/125

1

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