MSP430F41x2
MIXED SIGNAL MICROCONTROLLER
SLAS648E -- APRIL 2009 -- REVISED MARCH 2011
APPLICATION INFORMATION
Port P6 pin schematic: P6.3 and P6.4, input/output with Schmitt trigger
Pad Logic
To Comparator_A
From Comparator_A
CAPD.5/6
ADC10AE0.3/4
INCH=3/4
To ADC10
P6DIR.x
0
1
Direction
0: Input
1: Output
from Module
P6OUT.x
0
1
Module Out
P6.3/UCB0STE/
UCA0CLK/A3/CA5/
Veref-/Vref-
P6.4/UCB0CLK/
UCA0STE/A4/CA6/
Veref+/Vref+
Bus
Keeper
EN
P6SEL.x
P6IN.x
EN
D
Module X IN
Port P6 (P6.3 and P6.4) pin functions
CONTROL BITS / SIGNALS
PIN NAME (P6.X)
X
FUNCTION
CAPD
ADC10AE0.y
P6DIR.x
P6SEL.x
P6.3/UCB0STE/
UCA0CLK/A3/CA5/
3
P6.x (I/O)
UCB0STE/UCA0CLK (see Note 2)
0
0
I: 0, O: 1
0
1
x
x
0
1
x
x
0
0
x
/V
/V
eref-- ref--
A3/V
CA5
/V
x
1 (y=3)
x
eref-- ref--
1 (CAPD.5)
x
x
P6.4/UCB0CLK/
UCA0STE/A4/CA6/
4
P6.x (I/O)
0
0
I: 0, O: 1
UCB0CLK/UCA0STE (see Note 2)
0
0
1 (y=4)
x
x
x
x
/V
/V
eref+ ref+
A4/V
CA6
/V
x
eref+ ref+
1 (CAPD.6)
NOTES: 1. x: Don’t care
2. The pin direction is controlled by the USCI module.
65
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