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MSP430F42X Datasheet(PDF) 4 Page - Texas Instruments

Part No. MSP430F42X
Description  MIXED SIGNAL MICROCONTROLLER
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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MSP430F42X Datasheet(HTML) 4 Page - Texas Instruments

 
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MSP430F42x
MIXED SIGNAL MICROCONTROLLER
SLAS421 − APRIL 2004
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
MSP430F42x Terminal Functions
TERMINAL
PN
I/O
DESCRIPTION
NAME
NO.
I/O
DESCRIPTION
DVCC
1
Digital supply voltage, positive terminal. Supplies all digital parts.
A0.0+
2
I
Internal connection to SD16 Channel 0, input 0 +. (see Note 1)
A0.0−
3
I
Internal connection to SD16 Channel 0, input 0 −. (see Note 1)
A1.0+
4
I
Internal connection to SD16 Channel 1, input 0 +. (see Note 1)
A1.0−
5
I
Internal connection to SD16 Channel 1, input 0 −. (see Note 1)
A2.0+
6
I
Internal connection to SD16 Channel 2, input 0 +. (see Note 1)
A2.0−
7
I
Internal connection to SD16 Channel 2, input 0 −. (see Note 1)
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
VREF
10
I/O
Input for an external reference voltage / internal reference voltage output (can be used as mid-voltage)
P2.2/STE0
11
I/O
General-purpose digital I/O / slave transmit enable—USART0/SPI mode
S0
12
O
LCD segment output 0
S1
13
O
LCD segment output 1
S2
14
O
LCD segment output 2
S3
15
O
LCD segment output 3
S4
16
O
LCD segment output 4
S5
17
O
LCD segment output 5
S6
18
O
LCD segment output 6
S7
19
O
LCD segment output 7
S8
20
O
LCD segment output 8
S9
21
O
LCD segment output 9
S10
22
O
LCD segment output 10
S11
23
O
LCD segment output 11
S12
24
O
LCD segment output 12
S13
25
O
LCD segment output 13
S14
26
O
LCD segment output 14
S15
27
O
LCD segment output 15
S16
28
O
LCD segment output 16
S17
29
O
LCD segment output 17
S18
30
O
LCD segment output 18
S19
31
O
LCD segment output 19
S20
32
O
LCD segment output 20
S21
33
O
LCD segment output 21
S22
34
O
LCD segment output 22
S23
35
O
LCD segment output 23
COM0
36
O
Common output, COM0−3 are used for LCD backplanes.
COM1
37
O
Common output, COM0−3 are used for LCD backplanes.
COM2
38
O
Common output, COM0−3 are used for LCD backplanes.
COM3
39
O
Common output, COM0−3 are used for LCD backplanes.
R03
40
I
Input port of fourth positive (lowest) analog LCD level (V5)
NOTE 1: Open connection recommended for all unused analog inputs.


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