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CMS32L051 User Manual |Chapter 2 Pin Function
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Table2-2 Configuration method for the concurrent output function
The feature name
Input/output
PxxCFP
PMCxx
PMxx
POMxx
Pxx
Remark
Analog channel
Input/output
4'h0
1
x
×
×
All analog functions are directed to
fixed ports only and are not
configurable, Refer to the data
sheets for each product family
Digital GPIO
output
4'h0
0
0
0
0/1
N-channel
open-drain
output
0
0
1
0/1
Concurrent
output that
can be
mapped to
any port
TO10
output
4'h1
0
0
0
0
Can be mapped to any port
TO11
output
4'h2
0
0
0
0
Can be mapped to any port
TO12
output
4'h3
0
0
0
0
Can be mapped to any port
TO13
output
4'h4
0
0
0
0
Can be mapped to any port
SDO00/TxD0
output
4'h5
0
0
0
1
Can be mapped to any port
SDO20/TxD2/IrTXD
output
4'h6
0
0
0
1
Can be mapped to any port
CLKBUZ0
output
4'h7
0
0
0
0
Can be mapped to any port
SCLKO00/SCL00
output
4'h8
0
0
0
1
Can be mapped to any port
SCLKO20/SCL20
output
4'h9
0
0
0
1
Can be mapped to any port
TxD1
output
4'ha
0
0
0
1
Can be mapped to any port
Concurrent
output
mapped to
a fixed port
TO00
output
P01CFG=4'h0
0
0
0
0
P01 is used by default and cannot be
mapped to other ports
TO01
output
P16CFG=4'h0
0
0
0
0
P16 is used by default and cannot be
mapped to other ports
TO02
output
P17CFG=4'h0
0
0
0
0
P17 is used by default and cannot be
mapped to other ports
TO03
output
P31CFG=4'h0
0
0
0
0
P31 is used by default and cannot be
mapped to other ports
SCLKO01/SCL01
output
P75CFG=4'h0
0
0
0
1
P75 is used by default and cannot be
mapped to other ports
SDO01
output
P73CFG=4'h0
0
0
0
1
P73 is used by default and cannot be
mapped to other ports
SDA01
bidirectional
P74CFG=4'h0
0
0
1
1
P74 is used by default and cannot be
mapped to other ports
SCLKO11/SCL11
output
P10CFG=4'h0
0
0
0
1
P10 is used by default and cannot be
mapped to other ports
SDA11
bidirectional
P11CFG=4'h0
0
0
1
1
P11 is used by default and cannot be
mapped to other ports
SDO11
output
P12CFG=4'h0
0
0
0
1
P12 is used by default and cannot be
mapped to other ports
SDA20
bidirectional
P14CFG=4'h0
0
0
1
1
P14 is used by default and cannot be
mapped to other ports
SCLKO21/SCL21
output
P70CFG=4'h0
0
0
0
1
P70 is used by default and cannot be
mapped to other ports
SDA21
bidirectional
P71CFG=4'h0
0
0
1
1
P71 is used by default and cannot be
mapped to other ports
SDO21
output
P72CFG=4'h0
0
0
0
1
P72 is used by default and cannot be
mapped to other ports
CLKBUZ1
output
P15CFG=4'h0
0
0
0
0
P15 is used by default and cannot be
mapped to other ports
RTC1HZ
output
P30CFG=4'h0
0
0
0
0
P30 is used by default and cannot be
mapped to other ports
VCOUT0
output
P120CFG=4'h0
0
0
0
0
P120 is used by default and cannot
be mapped to other ports
VCOUT1
output
P50CFG=4'h0
0
0
0
0
P50 is used by default and cannot be
mapped to other ports
Note: When using the port's dual output function, you need to set the port output latch Pxx, the configuration method is detailed in the above
table, for reasons please refer to 2.5.1Basic idea when using the multiplexed output feature