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STMPE1601 Fiches technique(PDF) 32 Page - STMicroelectronics

No de pièce STMPE1601
Description  16-bit enhanced port expander with keypad and PWM controller Xpander Logic
PDF  61 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STMPE1601 Fiches technique(HTML) 32 Page - STMicroelectronics

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GPIO controller
STMPE1601
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10.2
GPIO alternate function registers
Each GPIO may be configured to one or more functions. A 2-bit field for each GPIO is used
for the configuration.
Table 22.
GPIO alternate function registers
GPIO alternate function
(upper word)
‘00’ for primary function
‘01’ for Alternate Function 1
‘10’ for Alternate Function 2
‘11’ - Reserved
GPIO alternate function
(lower word)
GPIO alternate function registers (upper)
15
14
13
12
11
10
98765
4321
0
AF[1:0]
AF[1:0]
AF[1:0]
AF[1:0]
AF[1:0]
AF[1:0]
AF[1:0]
AF[1:0]
GPIO-15
GPIO-14
GPIO-13
GPIO-12
GPIO-11
GPIO-10
GPIO-9
GPIO-8
GPIO alternate function registers (lower)
15
14
13
12
11
10
98765
4321
0
AF[1:0]
AF[1:0]
AF[1:0]
AF[1:0]
AF[1:0]
AF[1:0]
AF[1:0]
AF[1:0]
GPIO-7
GPIO-6
GPIO-5
GPIO-4
GPIO-3
GPIO-2
GPIO-1
GPIO-0



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