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MSP430F423IPM Datasheet(PDF) 7 Page - Texas Instruments

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Part # MSP430F423IPM
Description  Mixed-Signal Microcontrollers
PDF  59 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

MSP430F423IPM Datasheet(HTML) 7 Page - Texas Instruments

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MSP430F427, MSP430F425, MSP430F423
www.ti.com
SLAS421B – APRIL 2004 – REVISED NOVEMBER 2016
Submit Documentation Feedback
Product Folder Links: MSP430F427 MSP430F425 MSP430F423
Terminal Configuration and Functions
Copyright © 2004–2016, Texas Instruments Incorporated
(1)
TI recommends open connection for all unused analog inputs.
4.2
Signal Descriptions
Table 4-1 describes the signals for all device variants
Table 4-1. Terminal Functions
SIGNAL NAME
PIN NO.
I/O
DESCRIPTION
DVCC
1
Digital supply voltage, positive terminal
A0.0+
2
I
Internal connection to SD16 channel 0, input 0 +(1)
A0.0
−
3
I
Internal connection to SD16 channel 0, input 0
−(1)
A1.0+
4
I
Internal connection to SD16 channel 1, input 0 + (1)
A1.0
−
5
I
Internal connection to SD16 channel 1, input 0
−(1)
A2.0+
6
I
Internal connection to SD16 channel 2, input 0 + (1)
A2.0
−
7
I
Internal connection to SD16 channel 2, input 0
−(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 for USART0 in 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
−COM3 are used for LCD backplanes.
COM1
37
O
Common output, COM0
−COM3 are used for LCD backplanes.
COM2
38
O
Common output, COM0
−COM3 are used for LCD backplanes.
COM3
39
O
Common output, COM0
−COM3 are used for LCD backplanes.
R03
40
I
Input port of fourth positive (lowest) analog LCD level (V5)
R13
41
I
Input port of third most positive analog LCD level (V4 or V3)
R23
42
I
Input port of second most positive analog LCD level (V2)



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