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MSP430F438IPNR Datasheet(PDF) 4 Page - Texas Instruments |
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MSP430F438IPNR Datasheet(HTML) 4 Page - Texas Instruments |
4 / 67 page MSP430F43x MIXED SIGNAL MICROCONTROLLER SLAS713 -- JUNE 2010 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 Terminal Functions TERMINAL PN I/O DESCRIPTION NAME NO. I/O DESCRIPTION DVCC1 1 Digital supply voltage, positive terminal. P6.3/A3 2 I/O General-purpose digital I/O / analog input a3—12-bit ADC P6.4/A4 3 I/O General-purpose digital I/O / analog input a4—12-bit ADC P6.5/A5 4 I/O General-purpose digital I/O / analog input a5—12-bit ADC P6.6/A6 5 I/O General-purpose digital I/O / analog input a6—12-bit ADC P6.7/A7/SVSIN 6 I/O General-purpose digital I/O / analog input a7—12-bit ADC / analog input to supply voltage supervisor VREF+ 7 O Positive output terminal of the reference voltage in the ADC XIN 8 I Input terminal of crystal oscillator XT1 XOUT 9 O Output terminal of crystal oscillator XT1 VeREF+ 10 I/O Positive input terminal for an external reference voltage to the 12-bit ADC VREF--/VeREF-- 11 I Negative terminal for the 12-bit ADC reference voltage for both sources, the internal reference voltage or an external applied reference voltage to the 12-bit ADC. P5.1/S0/A12 12 I/O General-purpose digital I/O / LCD segment output 0/ analog input a12—12-bit ADC P5.0/S1/A13 13 I/O General-purpose digital I/O / LCD segment output 1/ analog input a13—12-bit ADC P4.7/S2/A14 14 I/O General-purpose digital I/O / LCD segment output 2/ analog input a14—12-bit ADC P4.6/S3/A15 15 I/O General-purpose digital I/O / LCD segment output 3/ analog input a15—12-bit ADC P4.5/S4 16 I/O General-purpose digital I/O / LCD segment output 4 P4.4/S5 17 I/O General-purpose digital I/O / LCD segment output 5 P4.3/S6 18 I/O General-purpose digital I/O / LCD segment output 6 P4.2/S7 19 I/O General-purpose digital I/O / LCD segment output 7 P4.1/S8 20 I/O General-purpose digital I/O / LCD segment output 8 P4.0/S9 21 I/O General-purpose digital I/O / LCD segment output 9 S10 22 O LCD segment output 10 S11 23 O LCD segment output 11 S12 24 O LCD segment output 12 S13 25 O LCD segment output 13 S14 26 O LCD segment output 14 S15 27 O LCD segment output 15 S16 28 O LCD segment output 16 S17 29 O LCD segment output 17 P2.7/ADC12CLK/S18 30 I/O General-purpose digital I/O / conversion clock—12-bit ADC / LCD segment output 18 P2.6/CAOUT/S19 31 I/O General-purpose digital I/O / Comparator_A output / LCD segment output 19 S20 32 O LCD segment output 20 S21 33 O LCD segment output 21 S22 34 O LCD segment output 22 S23 35 O LCD segment output 23 P3.7/S24 36 I/O General-purpose digital I/O / LCD segment output 24 P3.6/S25/DMAE0 37 I/O General-purpose digital I/O / LCD segment output 25/DMA Channel 0 external trigger P3.5/S26 38 I/O General-purpose digital I/O / LCD segment output 26 P3.4/S27 39 I/O General-purpose digital I/O / LCD segment output 27 |
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