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