MSP430G2955
MSP430G2855
MSP430G2755
www.ti.com
SLAS800 –MARCH 2013
Table 2. Terminal Functions (continued)
TERMINAL
NAME
NO.
I/O
DESCRIPTION
DA
RHA
P2.5/
General-purpose digital I/O pin
TA1.0/
ROSC
XIN/
3
40
I/O
Timer_A, capture: CCI0B input or BSL receive, compare: OUT0 output
Input for external DCO resistor to define DCO frequency
Input terminal of crystal oscillator
6
5
3
2
I/O
I/O
P2.6
General-purpose digital I/O pin
XOUT/
P2.7
Output terminal of crystal oscillator
General-purpose digital I/O pin(2)
P3.0/
General-purpose digital I/O pin
UCB0STE/
UCA0CLK/
A5
USCI_B0 slave transmit enable
11
9
I/O
USCI_A0 clock input/output
ADC10, analog input A5
P3.1/
General-purpose digital I/O pin
UCB0SIMO/
UCB0SDA
P3.2/
12
13
14
25
26
27
28
17
18
19
10
11
12
23
24
25
26
15
16
17
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
USCI_B0 slave in, master out in SPI mode
USCI_B0 SDA I2C data in I2C mode
General-purpose digital I/O pin
UCB0SOMI/
UCB0SCL
P3.3/
USCI_B0 slave out, master in SPI mode
USCI_B0 SCL I2C clock in I2C mode
General-purpose digital I/O pin
UCB0CLK/
UCA0STE
P3.4/
USCI_B0 clock input/output
USCI_A0 slave transmit enable
General-purpose digital I/O pin
UCA0TXD/
UCA0SIMO
P3.5/
USCI_A0 transmit data output in UART mode
USCI_A0 slave in, master out in SPI mode
General-purpose digital I/O pin
UCA0RXD/
UCA0SOMI
P3.6/
USCI_A0 receive data input in UART mode
USCI_A0 slave out, master in SPI mode
General-purpose digital I/O pin
TA1.1/
A6
Timer_A, capture: CCI1B input or BSL receive, compare: OUT2 output
ADC10 analog input A6
P3.7/
General-purpose digital I/O pin
TA1.2/
A7
Timer_A, capture: CCI2B input or BSL receive, compare: OUT2 output
ADC10 analog input A7
P4.0/
General-purpose digital I/O pin
TB0.0/
CA0
Timer_B, capture: CCI0A input, compare: OUT0 output
Comparator_A+, CA0 input
P4.1/
General-purpose digital I/O pin
TB0.1/
CA1
Timer_B, capture: CCI1A input, compare: OUT1 output
Comparator_A+, CA1 input
P4.2/
General-purpose digital I/O pin
TB0.2/
CA2
Timer_B, capture: CCI2A input, compare: OUT2 output
Comparator_A+, CA2 input
(2) If XOUT/P2.7 is used as an input, excess current flows until P2SEL.7 is cleared. This is due to the oscillator output driver connection to
this pad after reset.
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