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BLUENRG-2 датащи(PDF) 19 Page - STMicroelectronics

номер детали BLUENRG-2
подробное описание детали  Bluetooth® low energy wireless system-on-chip
PDF  190 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

BLUENRG-2 датащи(HTML) 19 Page - STMicroelectronics

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BlueNRG-2
Functional details
DocID030675 Rev 2
19/190
Table 3: Relationship between BlueNRG-2 states and functional blocks
Functional blocks
RESET
STANDBY
SLEEP
Preactive
Active
LOCKRX/
LOCK TX
RX
TX
LDO_SOFT_1V2 or
LDO_SOFT_0V9
OFF
ON
ON
ON
ON
ON
ON
ON
LDO_STRONG_1V2
OFF
OFF
OFF
ON
ON
ON
ON
ON
LDO_DIG_1V8
OFF
OFF
OFF
ON
ON
ON
ON
ON
SMPS
OFF
OFF
OFF
ON
ON
ON
ON
ON
LDO_DIG_1V2
OFF
OFF
OFF
ON
ON
ON
ON
ON
BOR
OFF
ON
ON
ON
ON
ON
ON
ON
16 MHz RO
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
16 MHz XO
OFF
OFF
OFF
OFF
ON
ON
ON
ON
32 kHz RO or XO
OFF
OFF
ON
ON
ON
ON
ON
ON
3.4.3
System controller registers
SYSTEM_CTRL peripheral base address (SYSTEM_CTRL_BASE_ADDR) 0x40200000.
Table 4: SYSTEM_CTRL registers
Address offset
Name
RW
Reset
Description
0x00
WKP_IO_IS
RW
0x00000000
Level selection for wakeup IO (1 bit for
IO).
0: The system wakes up when IO is low.
1: The system wakes up when IO is high.
0x04
WKP_IO_IE
RW
0x00000007
Enables the IO that wakes up the device
(1 bit for IO).
0: The wakes up feature on the IO is
disabled.
1: The wakes up feature on the IO is
enabled.
0x08
CTRL
RW
0x00000000
XO frequency indication is provided by the
application. Refer to the detailed
description below.
0x0C
SLEEPIO_OEN
RW
0x00000007
GPIO output enable register for low power
modes.
0x10
SLEEPIO_OUT
RW
0x00000000
GPIO output value register for low power
modes.
0x14
SLEEPIO_DS
RW
0x00000000
GPIO drive strength control register for low
power modes.
0x18
SLEEPIO_PE
RW
0x00000000
GPIO pull enable register for low power
modes.



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