MSP430F23X0 Datasheet, PDF (4/64 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430F23x0
MIXED SIGNAL MICROCONTROLLER
SLAS518A -- AUGUST 2006 -- REVISED MAY 2007
Terminal Functions, MSP430F23x0
TERMINAL
NAME
NO I/O
DESCRIPTION
DV_CC
XIN/P2.6/CA6
1
Digital supply voltage, positive terminal. Supplies all digital parts.
2 I/O Input terminal of crystal oscillator/general-purpose digital I/O pin/Comparator_A input
XOUT/P2.7/CA7
3 I/O Output terminal of crystal oscillator/general-purpose digital I/O pin/Comparator_A input
P1.0/TACLK
4 I/O General-purpose digital I/O pin/Timer_A, clock signal TACLK input
P1.1/TA0
5 I/O General-purpose digital I/O pin/Timer_A, capture: CCI0A input, compare: Out0 output
P1.2/TA1
6 I/O General-purpose digital I/O pin/Timer_A, capture: CCI1A input, compare: Out1 output
P1.3/TA2
7 I/O General-purpose digital I/O pin/Timer_A, capture: CCI2A input, compare: Out2 output
P1.4/SMCLK
8 I/O General-purpose digital I/O pin/SMCLK signal output
P1.5/TA0
9 I/O General-purpose digital I/O pin/Timer_A, compare: Out0 output
P1.6/TA1
10 I/O General-purpose digital I/O pin/Timer_A, compare: Out1 output
P1.7/TA2
11 I/O General-purpose digital I/O pin/Timer_A, compare: Out2 output
P2.0/ACLK/CA2
12 I/O General-purpose digital I/O pin/ACLK output/Comparator_A input
P2.1/TAINCLK/CA3
13 I/O General-purpose digital I/O pin/Timer_A, clock signal at INCLK/Comparator_A input
P2.2/CAOUT/TA0/CA4 14 I/O General-purpose digital I/O pin/Comparator_A output/Timer_A, capture: CCI0B input/Comparator_A
input
P2.3/CA0/TA1
15 I/O General-purpose digital I/O pin/Comparator_A input/Timer_A, compare: Out1 output
P2.4/CA1/TA2
16 I/O General-purpose digital I/O pin/Comparator_A input/Timer_A, compare: Out2 output
P2.5/R_OSC/CA5
17 I/O General-purpose digital I/O pin/input for external resistor defining the DCO nominal
frequency/Comparator_A input
P3.0/UCB0STE/
UCA0CLK
18 I/O General-purpose digital I/O pin/USCIB0 slave transmit enable/USCIA0 clock input/output
P3.1/UCB0SIMO/
UCB0SDA
19 I/O General-purpose digital I/O pin/USCIB0 slave in/master out in SPI mode, SDA I²C data in I²C mode
P3.2/UCB0SOMI/
UCB0SCL
20 I/O General-purpose digital I/O pin/USCIB0 slave out/master in in SPI mode, SCL I²C clock in I²C mode
P3.3/UCB0CLK/
UCA0STE
21 I/O General-purpose digital I/O/USCIB0 clock input/output, USCIA0 slave transmit enable
P3.4/UCA0TXD/
UCA0SIMO
22 I/O General-purpose digital I/O pin/USCIA0 transmit data output in UART mode, slave data in/master out in
SPI mode
P3.5/UCA0RXD/
UCA0SOMI
23 I/O General-purpose digital I/O pin/USCIA0 receive data input in UART mode, slave data out/master in in
SPI mode
P3.6
24 I/O General-purpose digital I/O pin
P3.7
25 I/O General-purpose digital I/O pin
P4.0/TB0
26 I/O General-purpose digital I/O pin/Timer_B, capture: CCI0A input, compare: Out0 output
P4.1/TB1
27 I/O General-purpose digital I/O pin/Timer_B, capture: CCI1A input, compare: Out1 output
P4.2/TB2
28 I/O General-purpose digital I/O pin/Timer_B, capture: CCI2A input, compare: Out2 output
P4.3/TB0
29 I/O General-purpose digital I/O pin/Timer_B, capture: CCI0B input, compare: Out0 output
P4.4/TB1
30 I/O General-purpose digital I/O pin/Timer_B, capture: CCI1B input, compare: Out1 output
P4.5/TB2
31 I/O General-purpose digital I/O pin/Timer_B, compare: Out2 output
P4.6/TBOUTH/ACLK
32 I/O General-purpose digital I/O pin/switch all PWM digital outputs to high impedance -- Timer_B3: TB0 to
TB2/ACLK output
P4.7/TBCLK
33 I/O General-purpose digital I/O pin/input clock TBCLK -- Timer_B3
TDO/TDI
34 I/O Test data output port. TDO/TDI data output or programming data input terminal
TDI/TCLK
35 I Test data input or test clock input. The device protection fuse is connected to TDI/TCLK.
TMS
36 I Test mode select. TMS is used as an input port for device programming and test.
4
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