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STMPE16M31PX датащи(PDF) 32 Page - STMicroelectronics

номер детали STMPE16M31PX
подробное описание детали  S-Touch® 16-channel touchkey controller with proximity sensing
PDF  75 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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STMPE16M31PX датащи(HTML) 32 Page - STMicroelectronics

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GPIO controller
STMPE16M31PX
32/75
Doc ID 17058 Rev 2
9
GPIO controller
A total of 16 GPIOs are available in the STMPE16M31PX. Most of the GPIOs are sharing
physical pins with some alternate functions. The GPIO controller contains the registers that
allow the host system to configure each of the pins into either a GPIO, or one of the
alternate functions. Unused GPIOs should be configured as outputs to minimize the power
consumption.
Table 11.
GPIO controller registers
GPIO_DIR
GPIO direction register
Address:
0x10 – 0x11
Type:
RW
Reset:
0x00
Description:
Direction seeting of the GPIO.
LSB (0x10)
MSB (0x11)
Address
Register name
Reset value
R/W
Description
0x10
GPDR
0X0000
R/W
GPIO direction register
0x12
GPMR
0X0000
R/W
GPOIO monitor pin state register
0x14
GPSR
0X0000
R/W
GPIO set pin register
0x16
GPFR
0X0000
R/W
GPIO alternate function register
76
543
210
IO-7
IO-6
IO-5
IO-4
IO-3
IO-2
IO-1
IO-0
RW
RW
RW
RW
RW
RW
RW
RW
00
000
000
76
543
210
IO-15
IO-14
IO-13
IO-12
IO-11
IO-10
IO-9
IO-8
RW
RW
RW
RW
RW
RW
RW
RW
00
000
000
[7:0] IO - X
Write ‘1’ to a bit to set the corresponding I/O to output.
Write ‘0’ to a bit to set the corresponding I/O to input.
Obsolete
Product(s)
- Obsolete
Product(s)



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