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MSP430F249-EP_14 Datasheet, PDF (5/82 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER
MSP430F249-EP
MIXED SIGNAL MICROCONTROLLER
TERMINAL
NAME
NO.
AVCC
64
AVSS
62
DVCC
1
DVSS
63
P1.0/TACLK/
CAOUT
12
P1.1/TA0
13
P1.2/TA1
14
P1.3/TA2
15
P1.4/SMCLK
16
P1.5/TA0
17
P1.6/TA1
18
P1.7/TA2
19
P2.0/ACLK/CA2 20
P2.1/TAINCLK/
CA3
21
P2.2/CAOUT/TA0
/CA4
22
P2.3/CA0/TA1
23
P2.4/CA1/TA2
24
P2.5/ROSC/CA5
25
P2.6/
ADC12CLK/CA6
26
P2.7/TA0/CA7
27
P3.0/UCB0STE/
UCA0CLK
28
P3.1/UCB0SIMO/
UCB0SDA
29
P3.2/UCB0SOMI/
UCB0SCL
30
P3.3/UCB0CLK/
UCA0STE
31
P3.4/UCA0TXD/
UCA0SIMO
32
P3.5/UCA0RXD/
UCA0SOMI
33
P3.6/UCA1TXD/
UCA1SIMO
34
P3.7/UCA1RXD/
UCA1SOMI
35
P4.0/TB0
36
P4.1/TB1
37
2008
Terminal Functions
I/O
DESCRIPTION
Analog supply voltage, positive terminal. Supplies only the analog portion of ADC12.
Analog supply voltage, negative terminal. Supplies only the analog portion of ADC12.
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 / Timer_A, clock signal TACLK input/Comparator_A output
I/O General-purpose digital I/O / Timer_A, capture: CCI0A input, compare: Out0 output/BSL transmit
I/O General-purpose digital I/O / Timer_A, capture: CCI1A input, compare: Out1 output
I/O General-purpose digital I/O / Timer_A, capture: CCI2A input, compare: Out2 output
I/O General-purpose digital I/O / SMCLK signal output
I/O General-purpose digital I/O / Timer_A, compare: Out0 output
I/O General-purpose digital I/O / Timer_A, compare: Out1 output
I/O General-purpose digital I/O / Timer_A, compare: Out2 output
I/O General-purpose digital I/O / ACLK output/Comparator_A input
I/O General-purpose digital I/O / Timer_A, clock signal at INCLK
I/O
General-purpose digital I/O / Timer_A, capture: CCI0B input / Comparator_A output/BSL
receive/Comparator_A input
I/O General-purpose digital I/O / Timer_A, compare: Out1 output / Comparator_A input
I/O General-purpose digital I/O / Timer_A, compare: Out2 output / Comparator_A input
I/O
General-purpose digital I/O / Input for external resistor defining the DCO nominal frequency / Comparator_A
input
I/O General-purpose digital I/O / Conversion clock – 12-bit ADC / Comparator_A input
I/O General-purpose digital I/O / Timer_A, compare: Out0 output / Comparator_A input
I/O General-purpose digital I/O / USCI B0 slave transmit enable / USCI A0 clock input/output
I/O General-purpose digital I/O / USCI B0 slave in/master out in SPI mode, SDA I2C data in I2C mode
I/O General-purpose digital I/O / 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 / USCIA transmit data output in UART mode, slave data in/master out in SPI
mode
I/O
General-purpose digital I/O / USCI A0 receive data input in UART mode, slave data out/master in in SPI
mode
I/O
General-purpose digital I/O / USCI A1 transmit data output in UART mode, slave data in/master out in SPI
mode
I/O
General-purpose digital I/O / USCIA1 receive data input in UART mode, slave data out/master in in SPI
mode
I/O General-purpose digital I/O / Timer_B, capture: CCI0A/B input, compare: Out0 output
I/O General-purpose digital I/O / Timer_B, capture: CCI1A/B input, compare: Out1 output
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