MSP430X241X Datasheet, PDF (9/98 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430x241x, MSP430x261x
MIXED SIGNAL MICROCONTROLLER
TERMINAL
NO.
NAME
64 80
PIN PIN
AV_CC
AV_SS
DV_CC1
DV_SS1
DV_CC2
DV_SS2
P1.0/TACLK/
CAOUT
64 80
62 78
1
1
63 79
52
53
12 12
P1.1/TA0
13 13
P1.2/TA1
14 14
P1.3/TA2
15 15
P1.4/SMCLK
16 16
P1.5/TA0
17 17
P1.6/TA1
18 18
P1.7/TA2
19 19
P2.0/ACLK/CA2 20 20
P2.1/TAINCLK/
CA3
21 21
P2.2/CAOUT/
TA0/CA4
22 22
P2.3/CA0/TA1
23 23
P2.4/CA1/TA2
24 24
P2.5/Rosc/CA5
25 25
P2.6/ADC12CLK/
DMAE0†/CA6
26
26
P2.7/TA0/CA7
27 27
P3.0/UCB0STE/
UCA0CLK
28
28
P3.1/UCB0SIMO/
UCB0SDA
29
29
P3.2/UCB0SOMI/
UCB0SCL
30
30
P3.3/UCB0CLK/
UCA0STE
31
31
P3.4/UCA0TXD/
UCA0SIMO
32
32
P3.5/UCA0RXD/
UCA0SOMI
33
33
P3.6/UCA1TXD/
UCA1SIMO
34
34
P3.7/UCA1RXD/
UCA1SOMI
35
35
† _{MSP430F261x devices only}
Terminal Functions
SLAS541A -- JUNE 2007 -- REVISED OCTOBER 2007
I/O
DESCRIPTION
Analog supply voltage, positive terminal. Supplies only the analog portion of ADC12 and DAC12.
Analog supply voltage, negative terminal. Supplies only the analog portion of ADC12 and DAC12.
Digital supply voltage, positive terminal. Supplies all digital parts.
Digital supply voltage, negative terminal. Supplies all digital parts.
Digital supply voltage, positive terminal. Supplies all digital parts.
Digital supply voltage, negative terminal. Supplies all digital parts.
I/O General-purpose digital I/O pin/Timer_A, clock signal TACLK input/Comparator_A output
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
I/O General-purpose digital I/O pin/Timer_A, compare: Out0 output
I/O General-purpose digital I/O pin/Timer_A, compare: Out1 output
I/O General-purpose digital I/O pin/Timer_A, compare: Out2 output
I/O General-purpose digital I/O pin/ACLK output/Comparator_A input
I/O General-purpose digital I/O pin/Timer_A, clock signal at INCLK
I/O
General-purpose digital I/O pin/Timer_A, capture: CCI0B input/Comparator_A output/BSL
receive/Comparator_A input
I/O General-purpose digital I/O pin/Timer_A, compare: Out1 output/Comparator_A input
I/O General-purpose digital I/O pin/Timer_A, compare: Out2 output/Comparator_A input
I/O
General-purpose digital I/O pin/input for external resistor defining the DCO nominal
frequency/Comparator_A input
I/O
General-purpose digital I/O pin/conversion clock – 12-bit ADC/DMA channel 0 external
trigger/Comparator_A input
I/O General-purpose digital I/O pin/Timer_A, compare: Out0 output/Comparator_A input
I/O General-purpose digital I/O pin/USCI B0 slave transmit enable/USCI A0 clock input/output
I/O General-purpose digital I/O pin/USCI B0 slave in/master out in SPI mode, SDA I²C data in I²C mode
I/O General-purpose digital I/O pin/USCI B0 slave out/master in in SPI mode, SCL I²C clock in I²C mode
I/O General-purpose digital I/O/USCI B0 clock input/output, USCI A0 slave transmit enable
I/O
General-purpose digital I/O pin/USCIA transmit data output in UART mode, slave data in/master out
in SPI mode
I/O
General-purpose digital I/O pin/USCI A0 receive data input in UART mode, slave data out/master
in in SPI mode
I/O
General-purpose digital I/O pin/USCI A1 transmit data output in UART mode, slave data in/master
out in SPI mode
I/O
General-purpose digital I/O pin/USCIA1 receive data input in UART mode, slave data out/master
in in SPI mode
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