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STMPE1601 датащи(PDF) 18 Page - STMicroelectronics

номер детали STMPE1601
подробное описание детали  16-bit enhanced port expander with keypad and PWM controller Xpander Logic
PDF  58 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STMPE1601 датащи(HTML) 18 Page - STMicroelectronics

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System controller
STMPE1601
18/58
SYS_CTRL_2
System control register 2
Address:
0x03
Type:
R/W
Buffer:
Reset:
0x00
Description:
System control register
7
6
5
4
3
210
RESERVED
VIO_OFF
AUTOSLEEP_EN
SLEEP_2
SLEEP_1
SLEEP_0
R
R
RW
RW
RW
RW
0
0
0
000
[7] RESERVED
[6] RESERVED
[5] RESERVED
[4] VIO_OFF:
Writing a ‘1’ to this bit is mandatory before shuting off the VIO supply while maintaining the
VCC supply.
This ensure that the level shifters for GPIOs 15-8 are properly powered down so as not to
induce high current and also not to affect the integrity of any external signals that are on the
bus where these GPIOs are connected.
[3] AUTOSLEEP_EN:
“1” to enable auto-sleep feature. “0” to disable auto-sleep.
[2:0] SLEEP:
000 for 4 mS delay
001 for 16 mS delay
010 for 32 mS delay
011: for 64 mS delay
100: for 128 mS delay
101: for 256 mS delay
110: for 512 mS delay
111: for 1024 mS delay



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