Datasheet

MSP430x22x2, MSP430x22x4
MIXED SIGNAL MICROCONTROLLER
SLAS504B − JULY 2006 − REVISED JULY 2007
10
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443
Terminal Functions, MSP430x22x4 (Continued)
TERMINAL
NAME
DA RHA
I/O
DESCRIPTION
NAME
NO. NO.
I/O
DESCRIPTION
P3.5/
UCA0RXD/UCA0SOMI
26 24 I/O General-purpose digital I/O pin
USCI_A0 receive data input in UART mode, slave out/master in in SPI mode
P3.6/A6/OA0I2 27 25 I/O General-purpose digital I/O pin
ADC10 analog input A6 / OA0 analog input I2
P3.7/A7/OA1I2 28 26 I/O General-purpose digital I/O pin
ADC10 analog input A7 / OA1 analog input I2
P4.0/TB0 17 15 I/O General-purpose digital I/O pin
Timer_B, capture: CCI0A input, compare: OUT0 output
P4.1/TB1 18 16 I/O General-purpose digital I/O pin
Timer_B, capture: CCI1A input, compare: OUT1 output
P4.2/TB2 19 17 I/O General-purpose digital I/O pin
Timer_B, capture: CCI2A input, compare: OUT2 output
P4.3/TB0/
A12/OA0O
20 18 I/O General-purpose digital I/O pin
Timer_B, capture: CCI0B input, compare: OUT0 output
ADC10 analog input A12 / OA0 analog output
P4.4/TB1
A13/OA1O
21 19 I/O General-purpose digital I/O pin
Timer_B, capture: CCI1B input, compare: OUT1 output
ADC10 analog input A13 / OA1 analog output
P4.5/TB2
A14/OA0I3
22 20 I/O General-purpose digital I/O pin
Timer_B, compare: OUT2 output
ADC10 analog input A14 / OA0 analog input I3
P4.6/TBOUTH
A15/OA1I3
23 21 I/O General-purpose digital I/O pin
Timer_B, switch all TB0 to TB3 outputs to high impedance
ADC10 analog input A15 / OA1 analog input I3
P4.7/TBCLK 24 22 I/O General-purpose digital I/O pin
Timer_B, clock signal TBCLK input
RST/NMI/SBWTDIO 7 5 I Reset or nonmaskable interrupt input
Spy-Bi-Wire test data input/output during programming and test
TEST/SBWTCK 1 37 I Selects test mode for JTAG pins on Port1. The device protection fuse is
connected to TEST.
Spy-Bi-Wire test clock input during programming and test
DV
CC
2 38, 39 Digital supply voltage
AV
CC
16 14 Analog supply voltage
DV
SS
4 1, 4 Digital ground reference
AV
SS
15 13 Analog ground reference
QFN Pad NA Package
Pad
NA QFN package pad connection to DV
SS
recommended.
†
TDO or TDI is selected via JTAG instruction.
NOTE: If XOUT/P2.7/CA7 is used as an input, excess current will flow until P2SEL.7 is cleared. This is due to the oscillator output driver connection
to this pad after reset.