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MSP430F4250IDL Datasheet(PDF) 40 Page - Texas Instruments |
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MSP430F4250IDL Datasheet(HTML) 40 Page - Texas Instruments |
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40 / 63 page ![]() MSP430F42x0 MIXED SIGNAL MICROCONTROLLER SLAS455D − MARCH 2005 − REVISED APRIL 2007 40 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 Port P1 pin schematic: P1.2, input/output with Schmitt−trigger and analog functions Bus Keeper EN Direction 0: Input 1: Output P1SEL.x 1 0 P1DIR.x P1IN.x INCH=4 A4− Pad Logic SD16AE.x P1IRQ.x D EN Module X IN 1 0 Module X OUT P1OUT.x Note: x = 2 P1.2/TA1/A4− 1 0 AV SS Interrupt Edge Select Q EN Set P1SEL.x P1IES.x P1IFG.x P1IE.x Port P1 (P1.2) pin functions PIN NAME (P1 X) X FUNCTION CONTROL BITS / SIGNALS PIN NAME (P1.X) X FUNCTION P1DIR.x P1SEL.x SD16AE.x P1.2/TA1/A4− 2 P1.2† Input/Output 0/1 0 0 Timer_A3.CCI1A 0 1 0 Timer_A3.TA1 1 1 0 A4− (see Notes 3, 4) X X 1 † Default after reset (PUC/POR) NOTES: 1. N/A: Not available or not applicable. 2. X: Don’t care. 3. Setting the SD16AE.x bit disables the output driver as well as the input Schmitt trigger to prevent parasitic cross currents when applying analog signals. 4. Negative input to SD16_A (A4−) connected to VSS if corresponding SD16AE.x bit is cleared. |
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