Datasheet

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 9