NRF52810-QFAA-R datasheet(93/483 Pages) NORDIC

tên linh kiện	NRF52810-QFAA-R

Giải thích chi tiết về linh kiện	RF52810

PDF	483 Pages

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nhà sản xuất	NORDIC [Nordic Semiconductor]

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Power and clock management

Symbol

Description

Min.

Typ.

Max.

Units

fNOM_LFXO

Crystal frequency

32.768

kHz

fTOL_LFXO_BLE

Frequency tolerance requirement for BLE stack

±250

ppm

fTOL_LFXO_ANT

Frequency tolerance requirement for ANT stack

±50

ppm

CL_LFXO

Load capacitance

12.5

C0_LFXO

Shunt capacitance

RS_LFXO

Equivalent series resistance

100

kohm

PD_LFXO

Drive level

Cpin

Input capacitance on XL1 and XL2 pads

tSTART_LFXO

Startup time for 32.768 kHz crystal oscillator

0.25

VAMP_IN_XO_LOW

Peak to peak amplitude for external low swing clock. Input

signal must not swing outside supply rails.

200

1000

5.4.4.5 32.768 kHz synthesized from HFCLK (LFSYNT)

Symbol

Description

Min.

Typ.

Max.

Units

fNOM_LFSYNT

Nominal frequency

32.768

kHz

fTOL_LFSYNT

Frequency tolerance in addition to HFLCK tolerance12

ppm

tSTART_LFSYNT

Startup time for synthesized 32.768 kHz

100

12 Frequency tolerance will be derived from the HFCLK source clock plus the LFSYNT tolerance

4430_161 v1.0

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