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MSP430X43X Datasheet, PDF (6/64 Pages) Texas Instruments – Mixed signal microcontroller
MSP430x43x, MSP430x44x
MIXED SIGNAL MICROCONTROLLER
SLAS344C – JANUARY 2002 – REVISED MARCH2003
MSP430x43x Terminal Functions
PN
NAME
DVCC1
P6.3/A3
P6.4/A4
P6.5/A5
P6.6/A6
P6.7/A7/SVSin
TERMINAL
I/O
NO.
PZ
NAME
1
DVCC1
2 I/O P6.3/A3
3 I/O P6.4/A4
4 I/O P6.5/A5
5 I/O P6.6/A6
6 I/O P6.7/A7/SVSin
VREF+
7
XIN
8
XOUT/TCLK
9
VeREF+
10
VREF–/VeREF– 11
P5.1/S0
12
P5.0/S1
13
P4.7/S2
14
P4.6/S3
15
P4.5/S4
16
P4.4/S5
17
P4.3/S6
18
P4.2/S7
19
P4.1/S8
20
P4.0/S9
21
S10
22
S11
23
S12
24
S13
25
S14
26
S15
27
S16
28
S17
29
P2.7/ADC12CLK/ 30
S18
P2.6/CAOUT/S19 31
S20
32
S21
33
S22
34
S23
35
P3.7/S24
36
P3.6/S25
37
P3.5/S26
38
P3.4/S27
39
O VREF+
I XIN
I/O XOUT/TCLK
I VeREF+
I VREF–/VeREF–
I/O P5.1/S0
I/O P5.0/S1
I/O S2
I/O S3
I/O S4
I/O S5
I/O S6
I/O S7
I/O S8
I/O S9
O S10
O S11
O S12
O S13
O S14
O S15
O S16
O S17
I/O S18
I/O S19
O S20
O S21
O S22
O S23
I/O S24
I/O S25
I/O S26
I/O S27
I/O
NO.
DESCRIPTION
1
Digital supply voltage, positive terminal. Supplies all digital parts
2 I/O General-purpose digital I/O, analog input a3—12-bit ADC
3 I/O General-purpose digital I/O, analog input a4—12-bit ADC
4 I/O General-purpose digital I/O, analog input a5—12-bit ADC
5 I/O General-purpose digital I/O, analog input a6—12-bit ADC
6 I/O General-purpose digital I/O, analog input a7—12-bit ADC, analog input
to brownout, supply voltage supervisor
7 O Output of positive terminal of the reference voltage in the ADC
Input port for crystal oscillator XT1. Standard or watch crystals can be
8
I connected.
9 I/O Output terminal of crystal oscillator XT1 or test clock input
10 I Input for an external reference voltage to the ADC
11
I
Negative terminal for the ADC’s reference voltage for both sources, the
internal reference voltage, or an external applied reference voltage.
12 I/O General-purpose I/O / LCD segment output 0
13 I/O General-purpose I/O / LCD segment output 1
14 O General-purpose I/O / LCD segment output 2
15 O General-purpose I/O / LCD segment output 3
16 O General-purpose I/O / LCD segment output 4
17 O General-purpose I/O / LCD segment output 5
18 O General-purpose I/O / LCD segment output 6
19 O General-purpose I/O / LCD segment output 7
20 O General-purpose I/O / LCD segment output 8
21 O General-purpose I/O / LCD segment output 9
22 O LCD segment output 10
23 O LCD segment output 11
24 O LCD segment output 12
25 O LCD segment output 13
26 O LCD segment output 14
27 O LCD segment output 15
28 O LCD segment output 16
29 O LCD segment output 17
30 O General-purpose digital I/O / conversion clock—12-bit ADC
LCD segment output 18
31
O
General-purpose digital I/O / Comparator_A output / LCD segment
output 19
32 O LCD segment output 20
33 O LCD segment output 21
34 O LCD segment output 22
35 O LCD segment output 23
36 O General-purpose digital I/O / LCD segment output 24
37 O General-purpose digital I/O / LCD segment output 25
38 O General-purpose digital I/O / LCD segment output 26
39 O General-purpose digital I/O / LCD segment output 27
6
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