ST7MC2N6T3 데이터 시트보기 (PDF) - STMicroelectronics

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ST7MC2N6T3

8-bit MCU with nested interrupts, Flash, 10-bit ADC, brushless motor control, five timers, SPI, LINSCI™

STMicroelectronics 

ST7MC1xx/ST7MC2xx

CLOCK AND TIMING CHARACTERISTICS (Cont’d)

12.5.4 Clock Security System with PLL

Table 88. PLL Characteristics

Symbol

Parameter

Min

Typ

Max

Unit

fOSC

PLL input frequency range

7

8

MHz

Output Frequency Output frequency when the PLL attain lock.

16

MHz

tLock

Jitter

PLL Lock Time (LOCKED = 1)

Jitter in the output clock

CPU clock frequency when VCO is con-

50

100

μs

2

%

fCPU

nected to ground (ICD internal clock or

back up oscillator )

3

MHz

Table 89. Clock Detector Characteristics

Symbol

Parameter

Min

Typ

Max

Unit

fDetect

tsetup

Detected Minimum Input Frequency

Time needed to detect OSCIN once CKD is

enabled

500 1)

KHz

3

μs

thold

Time needed to detect that OSCIN stops

3

μs

Notes:

1. Data based on characterization results, not tested in production.

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