Datasheet

MSP430F23x0
SLAS518E –AUGUST 2006– REVISED AUGUST 2011 www.ti.com
Table 3. Terminal Functions
TERMINAL DESCRIPTION
NAME YFF RHA I/O
DV
CC
B3 1 Digital supply voltage, positive terminal. Supplies all digital parts.
XIN/P2.6/CA6 A2 2 I/O Input terminal of crystal oscillator/general-purpose digital I/O pin/Comparator_A input
XOUT/P2.7/CA7 A3 3 I/O Output terminal of crystal oscillator/general-purpose digital I/O pin/Comparator_A input
P1.0/TACLK B4 4 I/O General-purpose digital I/O pin/Timer_A, clock signal TACLK input
P1.1/TA0 C4 5 I/O General-purpose digital I/O pin/Timer_A, capture: CCI0A input, compare: Out0 output
P1.2/TA1 A5 6 I/O General-purpose digital I/O pin/Timer_A, capture: CCI1A input, compare: Out1 output
P1.3/TA2 B5 7 I/O General-purpose digital I/O pin/Timer_A, capture: CCI2A input, compare: Out2 output
P1.4/SMCLK A6 8 I/O General-purpose digital I/O pin/SMCLK signal output
P1.5/TA0 B6 9 I/O General-purpose digital I/O pin/Timer_A, compare: Out0 output
P1.6/TA1 A7 10 I/O General-purpose digital I/O pin/Timer_A, compare: Out1 output
P1.7/TA2 B7 11 I/O General-purpose digital I/O pin/Timer_A, compare: Out2 output
P2.0/ACLK/CA2 C5 12 I/O General-purpose digital I/O pin/ACLK output/Comparator_A input
P2.1/TAINCLK/CA3 C7 13 I/O General-purpose digital I/O pin/Timer_A, clock signal at INCLK/Comparator_A input
General-purpose digital I/O pin/Comparator_A output/Timer_A, capture: CCI0B
P2.2/CAOUT/TA0/CA4 C6 14 I/O
input/Comparator_A input
P2.3/CA0/TA1 D7 15 I/O General-purpose digital I/O pin/Comparator_A input/Timer_A, compare: Out1 output
P2.4/CA1/TA2 D6 16 I/O General-purpose digital I/O pin/Comparator_A input/Timer_A, compare: Out2 output
General-purpose digital I/O pin/input for external resistor defining the DCO nominal
P2.5/R
OSC
/CA5 E7 17 I/O
frequency/Comparator_A input
P3.0/UCB0STE/
E6 18 I/O General-purpose digital I/O pin/USCIB0 slave transmit enable/USCIA clock input/output
UCA0CLK
P3.1/UCB0SIMO/ General-purpose digital I/O pin/USCIB0 slave in/master out in SPI mode, SDA I2C data
F7 19 I/O
UCB0SDA in I2C mode
P3.2/UCB0SOMI/ General-purpose digital I/O pin/USCIB0 slave out/master in in SPI mode, SCL I2C
F6 20 I/O
UCB0SCL clock in I2C mode
P3.3/UCB0CLK/
G7 21 I/O General-purpose digital I/O/USCIB0 clock input/output, USCIA0 slave transmit enable
UCA0STE
P3.4/UCA0TXD/ General-purpose digital I/O pin/USCIA0 transmit data output in UART mode, slave data
G6 22 I/O
UCA0SIMO in/master out in SPI mode
P3.5/UCA0RXD/ General-purpose digital I/O pin/USCIA0 receive data input in UART mode, slave data
G5 23 I/O
UCA0SOMI out/master in in SPI mode
P3.6 F5 24 I/O General-purpose digital I/O pin
P3.7 G4 25 I/O General-purpose digital I/O pin
P4.0/TB0 F4 26 I/O General-purpose digital I/O pin/Timer_B, capture: CCI0A input, compare: Out0 output
P4.1/TB1 G3 27 I/O General-purpose digital I/O pin/Timer_B, capture: CCI1A input, compare: Out1 output
P4.2/TB2 G2 28 I/O General-purpose digital I/O pin/Timer_B, capture: CCI2A input, compare: Out2 output
P4.3/TB0 F3 29 I/O General-purpose digital I/O pin/Timer_B, capture: CCI0B input, compare: Out0 output
P4.4/TB1 G1 30 I/O General-purpose digital I/O pin/Timer_B, capture: CCI1B input, compare: Out1 output
P4.5/TB2 F1 31 I/O General-purpose digital I/O pin/Timer_B, compare: Out2 output
General-purpose digital I/O pin/switch all PWM digital outputs to high impedance -
P4.6/TBOUTH/ACLK F2 32 I/O
Timer_B3: TB0 to TB2/ACLK output
P4.7/TBCLK E2 33 I/O General-purpose digital I/O pin/input clock TBCLK - Timer_B3
TDO/TDI E1 34 I/O Test data output port. TDO/TDI data output or programming data input terminal
Test data input or test clock input. The device protection fuse is connected to
TDI/TCLK D1 35 I
TDI/TCLK.
TMS D2 36 I Test mode select. TMS is used as an input port for device programming and test.
TCK C1 37 I Test clock. TCK is the clock input port for device programming and test.
RST/NMI C2 38 I Reset input, nonmaskable interrupt input port.
D/AV
SS
B1 39 Digital/analog supply voltage, negative terminal
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