MSP430x22x2, MSP430x22x4
MIXED SIGNAL MICROCONTROLLER
SLAS504B − JULY 2006 − REVISED JULY 2007
Terminal Functions, MSP430x22x4
TERMINAL
NAME
P1.0/TACLK/
ADC10CLK
P1.1/TA0
P1.2/TA1
P1.3/TA2
P1.4/SMCLK/
TCK
P1.5/TA0/
TMS
P1.6/TA1/
TDI/TCLK
P1.7/TA2/
TDO/TDI
†
P2.0/ACLK/A0/OA0I0
P2.1/TAINCLK/SMCLK/
A1/OA0O
P2.2/TA0/
A2/OA0I1
P2.3/TA1/
A3/V
REF−
/V
eREF−
/OA1I1/OA1O
P2.4/TA2/
A4/V
REF+
/V
eREF+
/OA1I0
P2.5/
R
OSC
XIN/P2.6
XOUT/P2.7
P3.0/
UCB0STE/UCA0CLK/
A5
P3.1/
UCB0SIMO/UCB0SDA
P3.2/
UCB01SOMI/UCB0SCL
P3.3/
UCB0CLK/UCA0STE
P3.4/
UCA0TXD/UCA0SIMO
DA
NO.
31
RHA
NO.
29
I/O
I/O
DESCRIPTION
General-purpose digital I/O pin
Timer_A, clock signal TACLK input
ADC10, conversion clock
General-purpose digital I/O pin
Timer_A, capture: CCI0A input, compare: OUT0 output/BSL transmit
General-purpose digital I/O pin
Timer_A, capture: CCI1A input, compare: OUT1 output
General-purpose digital I/O pin
Timer_A, capture: CCI2A input, compare: OUT2 output
General-purpose digital I/O pin / SMCLK signal output
Test Clock input for device programming and test
General-purpose digital I/O pin / Timer_A, compare: OUT0 output
Test Mode Select input for device programming and test
General-purpose digital I/O pin / Timer_A, compare: OUT1 output
Test Data Input or Test Clock Input for programming and test
General-purpose digital I/O pin / Timer_A, compare: OUT2 output
Test Data Output or Test Data Input for programming and test
General-purpose digital I/O pin / ACLK output
ADC10, analog input A0 / OA0, analog input I0
General-purpose digital I/O pin / Timer_A, clock signal at INCLK
SMCLK signal output
ADC10, analog input A1 / OA0, analog output
General-purpose digital I/O pin
Timer_A, capture: CCI0B input/BSL receive, compare: OUT0 output
ADC10, analog input A2 / OA0, analog input I1
General-purpose digital I/O pin
Timer_A, capture CCI1B input, compare: OUT1 output
ADC10, analog input A3 / negative reference voltage output/input
OA1, analog input I1 / OA1, analog output
General-purpose digital I/O pin / Timer_A, compare: OUT2 output
ADC10, analog input A4 / positive reference voltage output/input
OA1, analog input I0
General-purpose digital I/O pin
Input for external DCO resistor to define DCO frequency
Input terminal of crystal oscillator
General-purpose digital I/O pin
Output terminal of crystal oscillator
General-purpose digital I/O pin
General-purpose digital I/O pin
USCI_B0 slave transmit enable / USCI_A0 clock input/output
ADC10, analog input A5
General-purpose digital I/O pin
USCI_B0 slave in/master out in SPI mode, SDA I
2
C data in I
2
C mode
General-purpose digital I/O pin
USCI_B0 slave out/master in in SPI mode, SCL I
2
C clock in I
2
C mode
General-purpose digital I/O pin
USCI_B0 clock input/output / USCI_A0 slave transmit enable
General-purpose digital I/O pin
USCI_A0 transmit data output in UART mode, slave in/master out in SPI mode
32
33
34
35
36
37
38
8
9
30
31
32
33
34
35
36
6
7
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
10
8
I/O
29
27
I/O
30
28
I/O
3
6
5
11
40
3
2
9
I/O
I/O
I/O
I/O
12
13
14
25
10
11
12
23
I/O
I/O
I/O
I/O
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443
•
•
9
TI [ TEXAS INSTRUMENTS ]
