MSP430F6459-HIREL Datasheet, PDF (94/125 Pages) Texas Instruments – Mixed-Signal Microcontroller

MSP430F6459-HIREL
SLASEC3A – AUGUST 2016 – REVISED AUGUST 2016
6.14.5 Port P5, P5.0 and P5.1, Input/Output With Schmitt Trigger
Figure 6-6 shows the port schematic. summarizes selection of the pin function.
To/From
Reference
Pad Logic
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P5REN.x
P5DIR.x
0
1
DV_SS
0
DV_CC
1
1
P5OUT.x
Module X OUT
P5SEL.x
P5IN.x
Module X IN
0
1
EN
D
P5DS.x
0: Low drive
1: High drive
Bus
Keeper
P5.0/VREF+/VeREF+
P5.1/VREF–/VeREF–
Figure 6-6. Port P5 (P5.0 and P5.1) Schematic
PIN NAME (P5.x)
P5.0/VREF+/VeREF+
P5.1/VREF–/VeREF–
Port P5 (P5.0 and P5.1) Pin Functions
x
FUNCTION
CONTROL BITS OR SIGNALS⁽¹⁾
P5DIR.x
P5SEL.x
REFOUT
P5.0 (I/O)⁽²⁾
I: 0; O: 1
0
X
0 VeREF+⁽³⁾
X
1
0
VREF+ ⁽⁴⁾
X
1
1
P5.1 (I/O)⁽²⁾
I: 0; O: 1
0
X
1 VeREF– ⁽⁵⁾
X
1
0
VREF– ⁽⁶⁾
X
1
1
(1) X = Don't care
(2) Default condition
(3) Setting the P5SEL.0 bit disables the output driver and the input Schmitt trigger to prevent parasitic cross currents when applying analog
signals. An external voltage can be applied to VeREF+ and used as the reference for the ADC12_A, Comparator_B, or DAC12_A.
(4) Setting the P5SEL.0 bit disables the output driver and the input Schmitt trigger to prevent parasitic cross currents when applying analog
signals. The ADC12_A, VREF+ reference is available at the pin.
(5) Setting the P5SEL.1 bit disables the output driver and the input Schmitt trigger to prevent parasitic cross currents when applying analog
signals. An external voltage can be applied to VeREF- and used as the reference for the ADC12_A, Comparator_B, or DAC12_A.
(6) Setting the P5SEL.1 bit disables the output driver and the input Schmitt trigger to prevent parasitic cross currents when applying analog
signals. The ADC12_A, VREF– reference is available at the pin.
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Detailed Description
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