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MSP430F1122 Datasheet(PDF) 6 Page - Texas Instruments

Part No. MSP430F1122
Description  MIXED SIGNAL MICROCONTROLLER
Download  48 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

MSP430F1122 Datasheet(HTML) 6 Page - Texas Instruments

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MSP430x11x2, MSP430x12x2
MIXED SIGNAL MICROCONTROLLER
SLAS361C − JANUARY 2002 − REVISED DECEMBER 2003
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Terminal Functions, MSP430x12x2
TERMINAL
TERMINAL
I/O
DESCRIPTION
NAME
DW & PW
RHB
I/O
DESCRIPTION
NAME
DW & PW
RHB
I/O
DESCRIPTION
P1.0/TACLK/
ADC10CLK
21
21
I/O
General-purpose digital I/O pin/Timer_A, clock signal TACLK input/conversion
clock—10-bit ADC
P1.1/TA0
22
22
I/O
General-purpose digital I/O pin/Timer_A, capture: CCI0A input, compare: Out0
output/BSL transmit
P1.2/TA1
23
23
I/O
General-purpose digital I/O pin/Timer_A, capture: CCI1A input, compare: Out1 output
P1.3/TA2
24
24
I/O
General-purpose digital I/O pin/Timer_A, capture: CCI2A input, compare: Out2 output
P1.4/SMCLK/TCK
25
25
I/O
General-purpose digital I/O pin/SMCLK signal output/test clock, input terminal for
device programming and test
P1.5/TA0/TMS
26
26
I/O
General-purpose digital I/O pin/Timer_A, compare: Out0 output/test mode select, input
terminal for device programming and test
P1.6/TA1/TDI/TCLK
27
27
I/O
General-purpose digital I/O pin/Timer_A, compare: Out1 output/test data input terminal
or test clock input
P1.7/TA2/TDO/TDI†
28
28
I/O
General-purpose digital I/O pin/Timer_A, compare: Out2 output/test data output
terminal or data input during programming
P2.0/ACLK/A0
8
6
I/O
General-purpose digital I/O pin/ACLK output/analog input to 10-bit ADC input A0
P2.1/INCLK/A1
9
7
I/O
General-purpose digital I/O pin/Timer_A, clock signal at INCLK/analog input to 10-bit
ADC input A1
P2.2/TA0/A2
10
8
I/O
General-purpose digital I/O pin/Timer_A, capture: CCI0B input, compare: Out0
output/analog input to 10-bit ADC input A2/BSL receive
P2.3/TA1/A3/VREF−/
VeREF−
19
18
I/O
General-purpose digital I/O pin/Timer_A, capture: CCI1B input, compare: Out1
output/analog input to 10-bit ADC input A3/negative reference voltage terminal.
P2.4/TA2/A4/VREF+/
VeREF+
20
19
I/O
General-purpose digital I/O pin/Timer_A, compare: Out2 output/analog input to 10-bit
ADC input A4/I/O of positive reference voltage terminal
P2.5/ROSC
3
32
I/O
General-purpose digital I/O pin/Input for external resistor that defines the DCO nominal
frequency
P3.0/STE0/A5
11
9
I/O
General-purpose digital I/O pin/slave transmit enable—USART0/SPI mode/analog
input to 10-bit ADC input A5
P3.1/SIMO0
12
10
I/O
General-purpose digital I/O pin/slave in/master out of USART0/SPI mode
P3.2/SOMI0
13
11
I/O
General-purpose digital I/O pin/slave out/master in of USART0/SPI mode
P3.3/UCLK0
14
12
I/O
General-purpose digital I/O pin/external clock input—USART0/UART or SPI mode,
clock output—USART0/SPI mode clock input
P3.4/UTXD0
15
13
I/O
General-purpose digital I/O pin/transmit data out—USART0/UART mode
P3.5/URXD0
16
14
I/O
General-purpose digital I/O pin/receive data in—USART0/UART mode
P3.6/A6
17
15
I/O
General-purpose digital I/O pin/analog input to 10-bit ADC input A6
P3.7/A7
18
16
I/O
General-purpose digital I/O pin/analog input to 10-bit ADC input A7
RST/NMI
7
5
I
Reset or nonmaskable interrupt input
TEST
1
29
I
Selects test mode for JTAG pins on P1.x
VCC
2
30
Supply voltage
VSS
4
1
Ground reference
XIN
6
3
I
Input terminal of crystal oscillator
XOUT
5
2
O
Output terminal of crystal oscillator
NC
NA
4,17,
20,31
No connect. Recommended connection to VSS to avoid floating nodes, otherwise
increased current consumption may occur.
† TDO or TDI is selected via JTAG instruction.


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