MSP430F1122 Datasheet, PDF (6/48 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

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