UM1868 datasheet(8/19 Pages) STMICROELECTRONICS

Part #	UM1868

Description	BlueNRG and BlueNRG-MS information register

PDF	19 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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8 / 19 page

BlueNRG GUI IFR utility

UM1868

8/19

DocID027570 Rev 1

The tables below show the available IFR View/Edit window fields.

Table 1: Crystal selection

Field name

Description

Supported value

High-speed crystal

Select which crystal to be used

16 MHz

32 MHz

Low-speed source

Select which oscillator to be used

32 kHz crystal oscillator

Internal ring oscillator (without crystal)

Table 2: Power management

Field name

Description

10 µH SMPS inductor

Select this field if using SMPS with 10 µH inductor

4.7 µH SMPS inductor

Select this field if using SMPS with 4.7 µH inductor

(valid only for BlueNRG-MS)

Force SMPS off

Forces SMPS pins off. It may be used to disable the SMPS pin on the

WLCSP package or even on the QFN package when NO_SMPS pin is

connected to GND.

UM1868 Datasheet(PDF) 8 Page - STMicroelectronics