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UM1868 数据表(PDF) 9 Page - STMicroelectronics

部件名 UM1868
功能描述  BlueNRG and BlueNRG-MS information register
PDF  19 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

UM1868 数据表(HTML) 9 Page - STMicroelectronics

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UM1868
BlueNRG GUI IFR utility
DocID027570 Rev 1
9/19
Table 3: Configuration data
Field name
Description
Supported value
Stack mode
Indicates stack mode. This
value (if valid) overrides the
STACK default (0x02)
Mode 1: slave/master, one connection only,
small GATT database (RAM2 off during sleep)
Mode 2: slave/master, one connection only,
large GATT database (RAM2 on during sleep)
Mode 3: up to eight connections, master only
(BlueNRG), master/slave (BlueNRG-MS), small
GATT database (RAM2 on during sleep)
Day
Allows a date (day) to be
associated with a specific
BlueNRG IFR configuration
[1-31]
Month
Allows a date (month) to be
associated with a specific
BlueNRG IFR configuration
[1-12]
Year
Allows a date (year) to be
associated with a specific
BlueNRG IFR configuration
[0-99]
High-speed
startup time
Startup time for the high-
speed crystal
(time unit = 2.4414 µsec)
Ranges from 512 µs to 1953 µs. It can be
measured using the XTAL_startup_TEST
described in AN4494 “Bringing up the BlueNRG”
Slave SCA
Slave sleep clock accuracy,
depends on low-speed
oscillator
[10-1500] ppm
Master SCA
Master sleep clock accuracy,
depends on low-speed
oscillator
20, 30, 50, 75, 100, 150, 250, 500 ppm
Low-speed
crystal period
Low-speed crystal period
(read-only value defined in
BlueNRG GUI)
Low-speed
crystal frequency
Low-speed crystal frequency
(read-only value defined in
BlueNRG GUI)
If 0xFFFFFFFF autocalibration is enabled
Maximum
connection event
time
Maximum duration of a
connection event in the slave
(time unit = 2.4414 µsec)
(1)
[0-4] s
GPIO
configuration
Sets GPIOs in a given
configuration for special
functions
(1)
Disabled: GPIOs in high impedance
Active state on TEST1: high when device is
active because of SPI or radio activity
UID
Allows existing UID with
given 32-bit number to be
overwritten.
(1)
Free
Allows IFR free addresses
with user-defined values to
be configured
(1)
Notes:
(1)
Available by selecting "Advanced" button



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