ST7PLITEU09M3TR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST7PLITEU09M3TR

8-bit MCU with single voltage Flash memory, ADC, timers

STMicroelectronics 

ST7LITEU05 ST7LITEU09

SUPPLY, RESET AND CLOCK MANAGEMENT (Cont’d)

Figure 14. Clock Management Block Diagram

CR9 CR8 CR7 CR6 CR5 CR4 CR3 CR2 RCCR

CR1 CR0

SICSR

Tunable

internal RC Oscillator

8MHz(fRC)

Prescaler

8 MHz

4 MHz

2 MHz

1 MHz

500 kHz

RC OSC

CK2 CK1 CK0

CLKIN

AWU

RC

33kHz

fCLKIN

/2

DIVIDER

RC/AWU CKCNTCSR

Clock

Controller

AWU CK

Ext Clock

fOSC

AVDTHCR

CKSEL[1:0]

Option bits

fOSC

/32 DIVIDER

13-BIT

LITE TIMER COUNTER

fOSC

0

fOSC/32 1

fLTIMER

(1ms timebase @ 8 MHz fOSC)

fCPU

TO CPU AND

PERIPHERALS

MCO SMS MCCSR

MCO

26/115

1

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