BLUENRG-345VC datasheet(39/72 Pages) STMICROELECTRONICS

39 / 72 page

Parameter

Test conditions

Typ.

Unit

RNG

µA

RTC

SPI1

SPI2

Peripheral clock at 16 MHz

SPI3

Peripheral clock at 16 MHz

Systick

TIM1

248

USART

SYSCFG

THSENS

301

CRC

5.3.2

General operating conditions

Table 14. General operating conditions

Symbol

Parameter

Conditions

Min.

Max.

Unit

fHCLK

Internal AHB clock frequency

MHz

fPCLK0

Internal APB0 clock

fPCLK1

Internal APB1 clock frequency

fPCLK2

Internal APB2 clock frequency

VDD

Standard operating voltage

1.7

3.6

VFBSMPS

SMPS feedback voltage

1.4

3.6

VDDRF

Minimum RF voltage

1.7

3.6

VIN

I/O input voltage

-0.3

VDD+0.3

Power dissipation at TA=105 °C(1)

QFN48 package

QFN32 package

Ambient temperature

Maximum power dissipation

-40

105

°C

Junction temperature range

-40

105

1. TA cannot exceed the TJ max.

5.3.3

RF general characteristics

All performance data are referred to a 50 Ω antenna connector, via reference design.

Table 15. Bluetooth Low Energy RF general characteristics

Symbol

Parameter

Test conditions

Min. Typ.

Max.

Unit

FRANGE

Frequency range(1)

2400

2483.5

MHz

RFCH

RF channel center frequency(1)

2402

2480

PLLRES

RF channel spacing(1)

MHz

BlueNRG-LP

Operating conditions

DS13282 - Rev 2

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