Datasheet

MSP430F15x, MSP430F16x, MSP430F161x
MIXED SIGNAL MICROCONTROLLER
SLAS368G − OCTOBER 2002 − REVISED MARCH 2011
9
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
Terminal Functions (Continued)
TERMINAL
I/O
DESCRIPTION
NAME NO.
I/O
DESCRIPTION
P5.4/MCLK 48 I/O General-purpose digital I/O pin/main system clock MCLK output
P5.5/SMCLK 49 I/O General-purpose digital I/O pin/submain system clock SMCLK output
P5.6/ACLK 50 I/O General-purpose digital I/O pin/auxiliary clock ACLK output
P5.7/TBOUTH/
SVSOUT
51 I/O General-purpose digital I/O pin/switch all PWM digital output ports to high impedance − Timer_B TB0 to
TB6/SVS comparator output
P6.0/A0 59 I/O General-purpose digital I/O pin/analog input a0 – 12-bit ADC
P6.1/A1 60 I/O General-purpose digital I/O pin/analog input a1 – 12-bit ADC
P6.2/A2 61 I/O General-purpose digital I/O pin/analog input a2 – 12-bit ADC
P6.3/A3 2 I/O General-purpose digital I/O pin/analog input a3 – 12-bit ADC
P6.4/A4 3 I/O General-purpose digital I/O pin/analog input a4 – 12-bit ADC
P6.5/A5 4 I/O General-purpose digital I/O pin/analog input a5 – 12-bit ADC
P6.6/A6/DAC0 5 I/O General-purpose digital I/O pin/analog input a6 – 12-bit ADC/DAC12.0 output
P6.7/A7/DAC1/
SVSIN
6 I/O General-purpose digital I/O pin/analog input a7 – 12-bit ADC/DAC12.1 output/SVS input
RST/NMI 58 I Reset input, nonmaskable interrupt input port, or bootstrap loader start (in Flash devices).
TCK 57 I Test clock. TCK is the clock input port for device programming test and bootstrap loader start
TDI/TCLK 55 I Test data input or test clock input. The device protection fuse is connected to TDI/TCLK.
TDO/TDI 54 I/O Test data output port. TDO/TDI data output or programming data input terminal
TMS 56 I Test mode select. TMS is used as an input port for device programming and test.
Ve
REF+
10 I Input for an external reference voltage
V
REF+
7 O Output of positive terminal of the reference voltage in the ADC12
V
REF−
/Ve
REF−
11 I Negative terminal for the reference voltage for both sources, the internal reference voltage, or an external
applied reference voltage
XIN 8 I Input port for crystal oscillator XT1. Standard or watch crystals can be connected.
XOUT 9 O Output terminal of crystal oscillator XT1
XT2IN 53 I Input port for crystal oscillator XT2. Only standard crystals can be connected.
XT2OUT 52 O Output terminal of crystal oscillator XT2
QFN Pad NA NA QFN package pad connection to DV
SS
recommended (RTD package only)