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MSP430X12X Datasheet(PDF) 2 Page - Texas Instruments |
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MSP430X12X Datasheet(HTML) 2 Page - Texas Instruments |
2 / 45 page MSP430x12x MIXED SIGNAL MICROCONTROLLER SLAS312C − JULY 2001 − REVISED SEPTEMBER 2004 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 pin designation, MSP430x12x 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 TEST VCC P2.5/ROSC VSS XOUT XIN RST/NMI P2.0/ACLK P2.1/INCLK P2.2/CAOUT/TA0 P3.0/STE0 P3.1/SIMO0 P3.2/SOMI0 P3.3/UCLK0 P1.7/TA2/TDO/TDI P1.6/TA1/TDI/TCLK P1.5/TA0/TMS P1.4/SMCLK/TCK P1.3/TA2 P1.2/TA1 P1.1/TA0 P1.0/TACLK P2.4/CA1/TA2 P2.3/CA0/TA1 P3.7 P3.6 P3.5/URXD0 P3.4/UTXD0 DW OR PW PACKAGE (TOP VIEW) RHB PACKAGE (TOP VIEW) XIN NC RST/NMI P2.0/ACLK P2.1/INCLK XOUT P1.1/TA0 P1.0/TACLK NC P2.4/CA1/TA2 P2.3/CA0/TA1 P1.2/TA1 1 10 11 12 13 27 28 29 2 5 7 6 3 4 14 30 31 VSS P1.3/TA2 8 24 23 20 18 19 22 21 17 26 15 P2.2/CAOUT/TA0 NC Note: NC pins not internally connected Power Pad connection to VSS recommended functional block diagram Oscillator ACLK SMCLK CPU Incl. 16 Reg. Bus Conv MCB XIN XOUT P3 P2 MDB, 16 Bit MAB, 16 Bit MCLK MAB, 4 Bit VCC VSS RST/NMI System Clock ROSC P1 8KB Flash 4KB Flash 256B RAM Watchdog Timer 15/16-Bit Timer_A3 3 CC Reg I/O Port 1 8 I/Os, with Interrupt Capability I/O Port 2 6 I/Os, with Interrupt Capability POR USART0 UART Mode SPI Mode I/O Port 3 8 I/Os MDB, 16-Bit MAB, 16-Bit JTAG TEST Test JTAG 8 6 8 Comparator A MDB, 8 Bit |
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