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STMPE16M31 データシート(PDF) 33 Page - STMicroelectronics

部品番号 STMPE16M31
部品情報  S-Touch® 16/24-channel touchkey controller with PWM and ratio engines
PDF  85 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STMPE16M31 データシート(HTML) 33 Page - STMicroelectronics

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STMPE16M31, STMPE24M31
GPIO controller
Doc ID 16174 Rev 4
33/85
9
GPIO controller
A total of 16 GPIOs are available in the STMPE24M31/STMPE16M31. 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 setting 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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