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MSP430FE42XA Datasheet, PDF (4/44 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER
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MSP430FE42xA
MIXED SIGNAL MICROCONTROLLER
SLAS588 -- FEBRUARY 2008
Terminal Functions
TERMINAL
NAME
NO.
DVCC
1
I1+
2
I1--
3
I2+
4
I2--
5
V1+
6
V1--
7
XIN
8
XOUT
9
VREF
10
P2.2/STE0
11
S0
12
S1
13
S2
14
S3
15
S4
16
S5
17
S6
18
S7
19
S8
20
S9
21
S10
22
S11
23
S12
24
S13
25
S14
26
S15
27
S16
28
S17
29
S18
30
S19
31
S20
32
S21
33
S22
34
S23
35
COM0
36
COM1
37
COM2
38
COM3
39
R03
40
I/O
DESCRIPTION
Digital supply voltage, positive terminal.
I Current 1 positive analog input. Internal connection to SD16 Channel 0 A0+. (see Note 1)
I Current 1 negative analog input. Internal connection to SD16 Channel 0 A0--. (see Note 1)
I Current 2 positive analog input. Internal connection to SD16 Channel 1 A0+. (see Note 1)
I Current 2 negative analog input. Internal connection to SD16 Channel 1 A0--. (see Note 1)
I Voltage 1 positive analog input. Internal connection to SD16 Channel 2 A0+. (see Note 1)
I Voltage 1 negative analog input. Internal connection to SD16 Channel 2 A0--. (see Note 1)
I Input for crystal oscillator XT1. Standard or watch crystals can be connected.
O Output of crystal oscillator XT1
I/O Input for an external reference voltage / internal reference voltage output (can be used as mid-voltage)
I/O General-purpose digital I/O / slave transmit enable—USART0/SPI mode
O LCD segment output 0
O LCD segment output 1
O LCD segment output 2
O LCD segment output 3
O LCD segment output 4
O LCD segment output 5
O LCD segment output 6
O LCD segment output 7
O LCD segment output 8
O LCD segment output 9
O LCD segment output 10
O LCD segment output 11
O LCD segment output 12
O LCD segment output 13
O LCD segment output 14
O LCD segment output 15
O LCD segment output 16
O LCD segment output 17
O LCD segment output 18
O LCD segment output 19
O LCD segment output 20
O LCD segment output 21
O LCD segment output 22
O LCD segment output 23
O Common output COM0--3 are used for LCD backplanes.
O Common output COM0--3 are used for LCD backplanes.
O Common output COM0--3 are used for LCD backplanes.
O Common output COM0--3 are used for LCD backplanes.
I Input of fourth positive (lowest) analog LCD level (V5)
NOTE 1: It is recommended to short unused analog input pairs and connect them to analog ground.
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