MSP430G2X52_1112 Datasheet, PDF (6/62 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430G2x52
MSP430G2x12
SLAS722E – DECEMBER 2010 – REVISED DECEMBER 2011
www.ti.com
Table 2. Terminal Functions (continued)
TERMINAL
NAME
NO.
I/O
14
16
20
PW RSA N, PW
DESCRIPTION
P1.7/
General-purpose digital I/O pin
CAOUT/
Comparator_A+, output
SDI/
USI: Data input in SPI mode
SDA/
A7/
9
8
15
I/O USI: I2C data in I2C mode
ADC10 analog input A7⁽¹⁾
CA7/
TDO/TDI ⁽²⁾
Comparator_A+, CA7 input
JTAG test data output terminal or test data input during programming and test
P2.0
-
-
8
I/O General-purpose digital I/O pin
P2.1
-
-
9
I/O General-purpose digital I/O pin
P2.2
-
-
10
I/O General-purpose digital I/O pin
P2.3
-
-
11
I/O General-purpose digital I/O pin
P2.4
-
-
12
I/O General-purpose digital I/O pin
P2.5
-
-
13
I/O General-purpose digital I/O pin
XIN/
Input terminal of crystal oscillator
P2.6/
13
12
19
I/O General-purpose digital I/O pin
TA0.1
XOUT/
P2.7
Timer0_A, compare: Out1 output
Output terminal of crystal oscillator⁽³⁾
12
11
18
I/O
General-purpose digital I/O pin
RST/
Reset
NMI/
10
9
16
I Nonmaskable interrupt input
SBWTDIO
Spy-Bi-Wire test data input/output during programming and test
TEST/
SBWTCK
11
10
17
Selects test mode for JTAG pins on port 1. The device protection fuse is
I ^{connected to TEST.}
Spy-Bi-Wire test clock input during programming and test
DVCC
1
16
1
NA Supply voltage
AVCC
-
15
-
NA Supply voltage
DVSS
14
14
20 NA Ground reference
AVSS
-
13
-
NA Ground reference
NC
-
-
-
NA Not connected
QFN Pad
-
Pad
-
NA QFN package pad connection to V_SS recommended.
(2) TDO or TDI is selected via JTAG instruction.
(3) If XOUT/P2.7 is used as an input, excess current flows until P2SEL.7 is cleared. This is due to the oscillator output driver connection to
this pad after reset.
6
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