MSP430G2553-Q1_15 Datasheet, PDF (48/71 Pages) Texas Instruments – Automotive Mixed-Signal Microcontrollers

MSP430G2553-Q1, MSP430G2453-Q1
SLAS966 – MARCH 2014
Port P1 Pin Schematic: P1.4, Input/Output With Schmitt Trigger (continued)
Table 18. Port P1 (P1.4) Pin Functions
PIN NAME
(P1.x)
x
FUNCTION
P1DIR.x
P1SEL.x
CONTROL BITS AND SIGNALS⁽¹⁾
P1SEL2.x
ADC10AE.x
INCH.x=1
JTAG Mode
P1.4/
P1.x (I/O)
I: 0; O: 1
0
0
0
0
SMCLK/
SMCLK
1
1
0
0
0
UCB0STE/
UCB0STE
from USCI
1
1
0
0
UCA0CLK/
UCA0CLK
from USCI
1
1
0
0
VREF+/
VREF+
X
X
X
1
0
VEREF+/
4 _VEREF+
X
X
X
1
0
A4/
A4
X
X
X
1 (y = 4)
0
CA4
CA4
X
X
X
0
0
TCK/
TCK
X
X
X
0
1
Pin Osc
Capacitive
sensing
X
0
1
0
0
(1) X = don't care
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CAPD.y
0
0
0
0
0
0
0
1 (y = 4)
0
0
48
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