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STMPE2403 数据表(PDF) 38 Page - STMicroelectronics

部件名 STMPE2403
功能描述  24-bit Enhanced port expander with Keypad and PWM controller Xpander logic
PDF  63 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STMPE2403 数据表(HTML) 38 Page - STMicroelectronics

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GPIO controller
STMPE2403
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10.4
MUX Control Register (MCR)
STMPE2403 is integrated with 2 SPDT bi-directional signal multiplexer. The Ron of the
multiplexer is 5 OHM (Typical). Signal level is 1.8V (MAX). The MUX are controlled by the
MUX Control register.
MCR is to control the two analog multiplexers operation.
MCR
Bit
7
6
543
210
RESERVED
M1C1
M2C1
M1C1
M1C0
R/W
RRR
R
RW
RW
RW
RW
Reset
Value
0
0
000
000
Table 36. Bit description
Bits
Name
Description
0
M1C0
MUX 1 Control 0 bit selects whether Mux1In_0 or Mux1In_1 connects to
Mux1Out.
‘0’ – Mux1In_0 is connected to the Mux1Out.
‘1’ – Mux1In_1 is connected to the Mux1Out.
1
M1C1
MUX 1 Control 1 bit enables the MUX 1.
‘0’ – Enables the MUX 1.
‘1’ – Disables the MUX 1.
2
M2C0
MUX 2 Control 0 bit selects whether Mux2In_0 or Mux2In_1 connects to
Mux2Out.
‘0’ – Mux1In_0 is connected to the Mux1Out.
‘1’ – Mux1In_1 is connected to the Mux1Out.
3
M2C1
MUX 2 Control 1 bit enables the MUX 2.
‘0’ – Enables the MUX 2.
‘1’ – Disables the MUX 2.



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