DA14580
FINAL
Bluetooth Low Energy 4.2 SoC
Table 220: P28_MODE_REG (0x50003056)
Bit
Mode Symbol
Description
Reset
9:8
R/W
PUPD
00 = Input, no resistors selected
01 = Input, pull-up selected
0x2
10 = Input, Pull-down selected
11 = Output, no resistors selected
In analog mode, these bits are don't care
7:5
4:0
-
-
Reserved
0x0
0x0
R/W
PID
See P0x_MODE_REG[PID]
Table 221: P29_MODE_REG (0x50003058)
Bit
Mode Symbol
Description
Reset
0x0
15:10
9:8
-
-
Reserved
R/W
PUPD
00 = Input, no resistors selected
01 = Input, pull-up selected
0x2
10 = Input, Pull-down selected
11 = Output, no resistors selected
In analog mode, these bits are don't care
7:5
4:0
-
-
Reserved
0x0
0x0
R/W
PID
See P0x_MODE_REG[PID]
Table 222: P01_PADPWR_CTRL_REG (0x50003070)
Bit
Mode Symbol
Description
Reset
0x0
15:12
13:8
-
-
Reserved
R/W
P1_OUT_CTRL
1 = P1_x port output is powered by the 1 V rail
0 = P1_x port output is powered by the 3 V rail
bit 8 controls the power of P1[0],
bit 13 controls the power of P1[5]
(Note 3)
0x0
7:0
R/W
P0_OUT_CTRL
1 = P0_x port output is powered by the 1 V rail
0 = P0_x port output is powered by the 3 V rail
bit 0 controls the power of P0[0],
bit 7 controls the power of P0[7]
(Note 4)
0x0
Note 3: In Buck mode the output must be powered by the 3 V rail. In Boost mode the outputs can be powered by the 1 V rail or by the 3 V rail. In
Boost mode the 3 V rail can only supply a limited current, e.g. for switching a high-impedance input of an external device. See table 'Digital
input/output characteristics'.
Note 4: In Buck mode the output must be powered by the 3 V rail. In Boost mode the outputs can be powered by the 1 V rail or by the 3 V rail. In
Boost mode the 3 V rail can only supply a limited current, e.g. for switching a high-impedance input of an external device. See table 'Digital
input/output characteristics'.
Table 223: P2_PADPWR_CTRL_REG (0x50003072)
Bit
Mode Symbol
Description
Reset
0x0
15:10
9:0
-
-
Reserved
R/W
P2_OUT_CTRL
1 = P2_x port output is powered by the 1 V rail
0 = P2_x port output is powered by the 3 V rail
bit 0 controls the power of P2[0],
bit 9 controls the power of P2[9],
(Note 5)
0x0
Note 5: In Buck mode the output must be powered by the 3 V rail. In Boost mode the outputs can be powered by the 1 V rail or by the 3 V rail. In
Boost mode the 3 V rail can only supply a limited current, e.g. for switching a high-impedance input of an external device. See table 'Digital
Datasheet
Revision 3.4
09-Nov-2016
CFR0011-120-01
131 of 155
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