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BLUENRG-2 Datasheet(PDF) 20 Page - STMicroelectronics

Part # BLUENRG-2
Description  Bluetooth® low energy wireless system-on-chip
PDF  190 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

BLUENRG-2 Datasheet(HTML) 20 Page - STMicroelectronics

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BlueNRG-2
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DocID030675 Rev 2
Table 5: SYSTEM_CTRL - WKP_IO_IS register description: address offset
SYSTEM_CTRL_BASE_ADDR+0x00
Bit
Field name
Reset
RW
Description
4:0
LEVEL_SEL
0x00
RW
Selects the active wake up level for the
five IOs.0: The system wakes up when IO
is low.
1: The system wakes up when IO is high.
One bit by IO:
Bit0: IO9
Bit1: IO10
Bit2: IO11
Bit3: IO12
Bit4: IO13
31:5
RESERVED
0x00
R
RESERVED
Table 6: SYSTEM_CTRL - WKP_IO_IE register description: address offset
SYSTEM_CTRL_BASE_ADDR+0x04
Bit
Field name
Reset
RW
Description
4:0
IO_WAKEUP_EN
0x07
RW
Enables the IOs to be wake up source.
0: Wake up on the IO disabled.
1: Wake up on the IO enabled.
One bit by IO:
Bit0: IO9
Bit1: IO10
Bit2: IO11
Bit3: IO12
Bit4: IO13
31:5
RESERVED
0x00
R
RESERVED
Table 7: SYSTEM_CTRL - CTRL register description: address offset
SYSTEM_CTRL_BASE_ADDR+0x08
Bit
Field name
Reset
RW
Description
0
MHZ32_SEL
0x0
RW
Indicates the crystal frequency used in the
application.
0: The 16 MHz is selected.
1: The 32 MHz is selected.
31:1
RESERVED
0x0
R
RESERVED
Table 8: SYSTEM_CTRL - SLEEPIO_OEN register description: address offset
SYSTEM_CTRL_BASE_ADDR+0x0C
Bit
Field name
Reset
RW
Description
4:0
SLEEPIO_OEN
0x07
RW
Enables the IOs to act as output during
low power modes. 0: output mode
disabled. 1: output mode enabled. One
bit by IO: - Bit0: IO9 - Bit1: IO10 - Bit2:
IO11
31:5
RESERVED
0x00
R
RESERVED



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