ST72622L2M1L View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST72622L2M1L

LOW SPEED USB 8-BIT MCU WITH 3 ENDPOINTS, FLASH OR ROM MEMORY, LVD, WDG, 10-BIT ADC, 2 TIMERS, SCI, SPI

STMicroelectronics 

ST7262

CLOCK AND TIMING CHARACTERISTICS (Cont’d)

12.5.3 External Clock Source

Symbol

Parameter

VOSCINH

VOSCINL

tw(OSCINH)

tw(OSCINL)

tr(OSCIN)

tf(OSCIN)

IL

OSCIN input pin high level voltage

OSCIN input pin low level voltage

OSCIN high or low time 1)

OSCIN rise or fall time1)

OSCx Input leakage current

Conditions

see Figure 58

VSS≤VIN≤VDD

Figure 58. Typical Application with an External Clock Source

Min

Typ

0.7xVDD

VSS

15

Max

VDD

0.3xVDD

Unit

V

ns

15

±1

µA

VOSCINH

VOSCINL

90%

10%

tr(OSCIN)

tf(OSCIN)

tw(OSCINH)

tw(OSCINL)

EXTERNAL

CLOCK SOURCE

OSCOUT

OSCIN

Not connected internally

fOSC

IL

ST72XXX

Figure 59. Typical Application with a Crystal Resonator

i2

CL1

OSCIN

fOSC

RESONATOR

RF

CL2

OSCOUT

ST72XXX

104/132

Share Link: