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AN4494 데이터시트(PDF) 17 Page - STMicroelectronics

부품명 AN4494
상세설명  Bringing up the BlueNRG and BlueNRG-MS devices
PDF  34 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN4494 데이터시트(HTML) 17 Page - STMicroelectronics

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AN4494
IFR configuration
4.4
Test setup
4.4.1
Hardware
An oscilloscope is required for this test.
4.4.2
Software
ST BlueNRG GUI, to enable a dedicated test mode.
4.5
Test procedure
Tick the checkbox present in the BlueNRG IFR tool in the BlueNRG GUI to enable the
startup time test signals.
Put two scope probes on test points TEST8 and TEST9.
Set the BlueNRG in advertising mode, using these commands with the BlueNRG GUI:
BLUEHCI_GATT_INIT
BLUEHCI_GAP_INIT
BLUEHCI_GAP_SET_DISCOVERABLE (leave the default settings)
Measure the time between the rising edge of the two signals (see Figure 5: "XTAL_startup
measure").
Figure 5: XTAL_startup measure
DocID026361 Rev 3
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