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MSP430F2481TRGCT Datasheet(PDF) 9 Page - Texas Instruments |
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MSP430F2481TRGCT Datasheet(HTML) 9 Page - Texas Instruments |
9 / 92 page MSP430F23x MSP430F24x(1) MSP430F2410 www.ti.com SLAS547H – JUNE 2007 – REVISED AUGUST 2011 Table 2. Terminal Functions, MSP430F23x TERMINAL I/O DESCRIPTION NAME NO. AVCC 64 Analog supply voltage, positive. Supplies only the analog portion of ADC12. AVSS 62 Analog supply voltage, negative. Supplies only the analog portion of ADC12. DVCC 1 Digital supply voltage, positive. Supplies all digital parts. DVSS 63 Digital supply voltage, negative. Supplies all digital parts. P1.0/TACLK/CAOUT 12 I/O General-purpose digital I/O / Timer_A, clock signal TACLK input/Comparator_A output P1.1/TA0 13 I/O General-purpose digital I/O / Timer_A, capture: CCI0A input, compare: Out0 output/BSL transmit P1.2/TA1 14 I/O General-purpose digital I/O / Timer_A, capture: CCI1A input, compare: Out1 output P1.3/TA2 15 I/O General-purpose digital I/O / Timer_A, capture: CCI2A input, compare: Out2 output P1.4/SMCLK 16 I/O General-purpose digital I/O / SMCLK signal output P1.5/TA0 17 I/O General-purpose digital I/O / Timer_A, compare: Out0 output P1.6/TA1 18 I/O General-purpose digital I/O / Timer_A, compare: Out1 output P1.7/TA2 19 I/O General-purpose digital I/O / Timer_A, compare: Out2 output P2.0/ACLK/CA2 20 I/O General-purpose digital I/O / ACLK output/Comparator_A input P2.1/TAINCLK/CA3 21 I/O General-purpose digital I/O / Timer_A, clock signal at INCLK General-purpose digital I/O / Timer_A, capture: CCI0B input/Comparator_A output/BSL P2.2/CAOUT/TA0/CA4 22 I/O receive/Comparator_A input P2.3/CA0/TA1 23 I/O General-purpose digital I/O / Timer_A, compare: Out1 output/Comparator_A input P2.4/CA1/TA2 24 I/O General-purpose digital I/O / Timer_A, compare: Out2 output/Comparator_A input General-purpose digital I/O / input for external resistor defining the DCO nominal frequency/Comparator_A P2.5/ROSC/CA5 25 I/O input P2.6/ADC12CLK/CA6 26 I/O General-purpose digital I/O / conversion clock - 12-bit ADC/Comparator_A input P2.7/TA0/CA7 27 I/O General-purpose digital I/O / Timer_A, compare: Out0 output/Comparator_A input P3.0/UCB0STE/ UCA0CLK 28 I/O General-purpose digital I/O / USCI_B0 slave transmit enable/USCI A0 clock input/output P3.1/UCB0SIMO/UCB0SDA 29 I/O General-purpose digital I/O / USCI_B0 slave in/master out in SPI mode, SDA I2C data in I2C mode P3.2/UCB0SOMI/ UCB0SCL 30 I/O General-purpose digital I/O / USCI_B0 slave out/master in in SPI mode, SCL I2C clock in I2C mode P3.3/UCB0CLK/UCA0STE 31 I/O General-purpose digital I/O / USCI_B0 clock input/output, USCI A0 slave transmit enable General-purpose digital I/O / USCI_A0 transmit data output in UART mode, slave data in/master out in SPI P3.4/UCA0TXD/ UCA0SIMO 32 I/O mode P3.5/UCA0RXD/ General-purpose digital I/O / USCI_A0 receive data input in UART mode, slave data out/master in in SPI 33 I/O UCA0SOMI mode P3.6 34 I/O General-purpose digital I/O P3.7 35 I/O General-purpose digital I/O P4.0/TB0 36 I/O General-purpose digital I/O / Timer_B, capture: CCI0A/B input, compare: Out0 output P4.1/TB1 37 I/O General-purpose digital I/O / Timer_B, capture: CCI1A/B input, compare: Out1 output P4.2/TB2 38 I/O General-purpose digital I/O / Timer_B, capture: CCI2A/B input, compare: Out2 output P4.3 39 I/O General-purpose digital I/O P4.4 40 I/O General-purpose digital I/O P4.5 41 I/O General-purpose digital I/O P4.6 42 I/O General-purpose digital I/O P4.7/TBCLK 43 I/O General-purpose digital I/O / Timer_B, clock signal TBCLK input P5.0 44 I/O General-purpose digital I/O P5.1 45 I/O General-purpose digital I/O P5.2 46 I/O General-purpose digital I/O P5.3 47 I/O General-purpose digital I/O P5.4/MCLK 48 I/O General-purpose digital I/O / main system clock MCLK output P5.5/SMCLK 49 I/O General-purpose digital I/O / submain system clock SMCLK output P5.6/ACLK 50 I/O General-purpose digital I/O / auxiliary clock ACLK output General-purpose digital I/O / switch all PWM digital output ports to high impedance - Timer_B TB0 to P5.7/TBOUTH/SVSOUT 51 I/O TB6/SVS comparator output P6.0/A0 59 I/O General-purpose digital I/O / analog input A0 - 12-bit ADC P6.1/A1 60 I/O General-purpose digital I/O / analog input A1 - 12-bit ADC P6.2/A2 61 I/O General-purpose digital I/O / analog input A2 - 12-bit ADC Copyright © 2007–2011, Texas Instruments Incorporated 9 |
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