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MSP430F21X2 Datasheet(PDF) 6 Page - Texas Instruments |
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MSP430F21X2 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 81 page MSP430F21x2 MIXED SIGNAL MICROCONTROLLER SLAS578A -- NOVEMBER 2007 -- REVISED APRIL 2008 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 Terminal Functions TERMINAL NAME 28-Pin PW 32-Pin RHB I/O DESCRIPTION XIN/P2.6/CA6 6 3 I/O Input terminal of crystal oscillator General-purpose digital I/O pin Comparator_A+ input XOUT/P2.7/CA7 5 2 I/O Output terminal of crystal oscillator General-purpose digital I/O pin Comparator_A+ input P3.0/UCB0STE/ UCA0CLK/A5 11 9 I/O General-purpose digital I/O pin USCI_B0 slave transmit enable/USCI_A0 clock input/output ADC10 analog input A5 P3.1/UCB0SIMO/ UCB0SDA 12 10 I/O General-purpose digital I/O pin USCI_B0 slave in/master out in SPI mode, SDA I2CdatainI2C mode P3.2/UCB0SOMI/ UCB0SCL 13 11 I/O General-purpose digital I/O pin USCI_B0 slave out/master in in SPI mode, SCL I2C clock in I2C mode P3.3/UCB0CLK/ UCA0STE 14 12 I/O General-purpose digital I/O USCI_B0 clock input/output, USCI_A0 slave transmit enable P3.4/UCA0TXD/ UCA0SIMO 15 13 I/O General-purpose digital I/O pin USCI_A0 transmit data output in UART mode, slave data in/master out in SPI mode P3.5/UCA0RXD/ UCA0SOMI 16 14 I/O General-purpose digital I/O pin USCI_A0 receive data input in UART mode, slave data out/master in in SPI mode P3.6/TA0_1/A6 17 15 I/O General-purpose digital I/O pin Timer1_A2, capture: CCI0B input, compare: Out0_1 Output ADC10 analog input A6 P3.7/TA1_1/A7 18 16 I/O General-purpose digital I/O pin Timer1_A2, capture: CCI1A input, compare: Out1_1 Output ADC10 analog input A7 RST/NMI/SBWTDIO 7 5 I Reset or nonmaskable interrupt input Spy--bi--Wire test data input/output during programming and test TEST/SBWTCK 1 29 I Selects test mode for JTAG pins on Port1. The device protection fuse is connected to TEST. P2.5/ROSC/CA5 3 32 I/O General-purpose digital I/O pin Input for external resistor defining the DCO nominal frequency Comparator_A+ input DVCC 2 30 Digital supply voltage DVSS 4 1 Digital supply voltage NC NA 4, 17, 20, 31 Not connected internally. Recommended connection to VSS. |
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Similar Description - MSP430F21X2 |
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