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MSP430F22x2
MSP430F22x4
www.ti.com
SLAS504G – JULY 2006 – REVISED AUGUST 2012
Table 3. Terminal Functions, MSP430F22x2 (continued)
TERMINAL
NO.
I/O
DESCRIPTION
NAME
YFF
DA
RHA
Output terminal of crystal oscillator
XOUT/P2.7
A1
5
2
I/O
General-purpose digital I/O pin
(2)
General-purpose digital I/O pin
USCI_B0 slave transmit enable
P3.0/UCB0STE/UCA0CLK/
B5
11
9
I/O
A5
USCI_A0 clock input/output
ADC10, analog input A5
General-purpose digital I/O pin
P3.1/UCB0SIMO/
A6
12
10
I/O
USCI_B0 SPI mode: slave in/master out
UCB0SDA
USCI_B0 I2C mode: SDA I2C data
General-purpose digital I/O pin
P3.2/UCB0SOMI/UCB0SCL
A7
13
11
I/O
USCI_B0 SPI mode: slave out/master in
USCI_B0 I2C mode: SCL I2C clock
General-purpose digital I/O pin
P3.3/UCB0CLK/UCA0STE
B6
14
12
I/O
USCI_B0 clock input/output
USCI_A0 slave transmit enable
General-purpose digital I/O pin
P3.4/UCA0TXD/
G6
25
23
I/O
USCI_A0 UART mode: transmit data output
UCA0SIMO
USCI_A0 SPI mode: slave in/master out
General-purpose digital I/O pin
P3.5/UCA0RXD/
G5
26
24
I/O
USCI_A0 UART mode: receive data input
UCA0SOMI
USCI_A0 SPI mode: slave out/master in
General-purpose digital I/O pin
P3.6/A6
F4
27
25
I/O
ADC10 analog input A6
General-purpose digital I/O pin
P3.7/A7
G4
28
26
I/O
ADC10 analog input A7
General-purpose digital I/O pin
P4.0/TB0
D6
17
15
I/O
Timer_B, capture: CCI0A input, compare: OUT0 output
General-purpose digital I/O pin
P4.1/TB1
D7
18
16
I/O
Timer_B, capture: CCI1A input, compare: OUT1 output
General-purpose digital I/O pin
P4.2/TB2
E6
19
17
I/O
Timer_B, capture: CCI2A input, compare: OUT2 output
General-purpose digital I/O pin
P4.3/TB0/A12
E7
20
18
I/O
Timer_B, capture: CCI0B input, compare: OUT0 output
ADC10 analog input A12
General-purpose digital I/O pin
P4.4/TB1/A13
F7
21
19
I/O
Timer_B, capture: CCI1B input, compare: OUT1 output
ADC10 analog input A13
General-purpose digital I/O pin
P4.5/TB2/A14
F6
22
20
I/O
Timer_B, compare: OUT2 output
ADC10 analog input A14
General-purpose digital I/O pin
P4.6/TBOUTH/A15
G7
23
21
I/O
Timer_B, switch all TB0 to TB3 outputs to high impedance
ADC10 analog input A15
(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.
Copyright © 2006–2012, Texas Instruments Incorporated
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