Datasheet

MSP430x461x1, MSP430x461x
MIXED SIGNAL MICROCONTROLLER
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
MSP430x461x Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME NO.
I/O DESCRIPTION
DV
CC1
1 Digital supply voltage, positive terminal
P6.3/A3 2 I/O General-purpose digital I/O / analog input a3—12-bit ADC
P6.4/A4 3 I/O General-purpose digital I/O / analog input a4—12-bit ADC
P6.5/A5 4 I/O General-purpose digital I/O / analog input a5—12-bit ADC
P6.6/A6 5 I/O General-purpose digital I/O / analog input a6—12-bit ADC
P6.7/A7/SVSIN 6 I/O
General-purpose digital I/O / analog input a7—12-bit ADC / analog input to brownout,
supply voltage supervisor
V
REF+
7 O Output of positive terminal of the reference voltage in the ADC
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
Ve
REF+
10 I/O Input for an external reference voltage to the ADC
V
REF−
/Ve
REF−
11 I
Negative terminal for the ADC reference voltage for both sources, the internal reference
voltage, or an external applied reference voltage
P5.1/S0/A12 (see Note 1) 12 I/O General-purpose digital I/O / LCD segment output 0 / analog input a12 − 12−bit ADC
P5.0/S1/A13 (see Note 1) 13 I/O General-purpose digital I/O / LCD segment output 1 / analog input a13 − 12−bit ADC
P10.7/S2/A14 (see Note 1) 14 I/O General-purpose digital I/O / LCD segment output 2 / analog input a14 − 12−bit ADC
P10.6/S3/A15 (see Note 1) 15 I/O General-purpose digital I/O / LCD segment output 3 / analog input a15 − 12−bit ADC
P10.5/S4 16 I/O General-purpose digital I/O / LCD segment output 4
P10.4/S5 17 I/O General-purpose digital I/O / LCD segment output 5
P10.3/S6 18 I/O General-purpose digital I/O / LCD segment output 6
P10.2/S7 19 I/O General-purpose digital I/O / LCD segment output 7
P10.1/S8 20 I/O General-purpose digital I/O / LCD segment output 8
P10.0/S9 21 I/O General-purpose digital I/O / LCD segment output 9
P9.7/S10 22 I/O General-purpose digital I/O / LCD segment output 10
P9.6/S11 23 I/O General-purpose digital I/O / LCD segment output 11
P9.5/S12 24 I/O General-purpose digital I/O / LCD segment output 12
P9.4/S13 25 I/O General-purpose digital I/O / LCD segment output 13
P9.3/S14 26 I/O General-purpose digital I/O / LCD segment output 14
P9.2/S15 27 I/O General-purpose digital I/O / LCD segment output 15
P9.1/S16 28 I/O General-purpose digital I/O / LCD segment output 16
P9.0/S17 29 I/O General-purpose digital I/O / LCD segment output 17
P8.7/S18 30 I/O General-purpose digital I/O / LCD segment output 18
P8.6/S19 31 I/O General-purpose digital I/O / LCD segment output 19
P8.5/S20 32 I/O General-purpose digital I/O / LCD segment output 20
P8.4/S21 33 I/O General-purpose digital I/O / LCD segment output 21
P8.3/S22 34 I/O General-purpose digital I/O / LCD segment output 22
NOTE 1: Segments S0 through S3 are disabled when the LCD charge pump feature is enabled (LCDCPEN = 1) and cannot be used together
with the LCD charge pump. In addition, when using segments S0 through S3 with an external LCD voltage supply, V
LCD
≤ AV
CC
.