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MSP430F2012IN 数据表(PDF) 75 Page - Texas Instruments |
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MSP430F2012IN 数据表(HTML) 75 Page - Texas Instruments |
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75 / 91 page ![]() MSP430F20x3 MSP430F20x2 MSP430F20x1 www.ti.com SLAS491G – AUGUST 2005 – REVISED APRIL 2011 Table 29. Port P1 (P1.4 to P1.7) Pin Functions, MSP430F20x3 CONTROL BITS / SIGNALS(1)(2) PIN NAME (P1.x) x FUNCTION P1DIR.x P1SEL.x USIP.x SD16AE.x INCHx JTAG Mode P1.4(3) input/output 0/1 0 N/A 0 N/A 0 N/A 0 1 N/A 0 N/A 0 P1.4/SMCLK/A2+/TCK 4 SMCLK 1 1 N/A 0 N/A 0 A2+(4) X X N/A 1 2 0 TCK(5) X X N/A X X 1 P1.5(3) input/output 0/1 0 0 0 N/A 0 N/A 0 1 0 0 N/A 0 Timer_A2.TA0 1 1 0 0 N/A 0 P1.5/TA0/SCLK/A2-/TMS 5 SCLK X X 1 0 N/A 0 A2-(4)(6) X X X 1 2 0 TMS(5) X X X X X 1 P1.6(3) input/output 0/1 0 0 0 N/A 0 Timer_A2.CCI1B 0 1 0 0 N/A 0 Timer_A2.TA1 1 1 0 0 N/A 0 P1.6/TA1/SDO/SCL/ 6 A3+/TDI SDO (SPI) / SCL (I2C) X X 1 0 N/A 0 A3+(4) X X X 1 3 0 TDI(5) X X X X X 1 P1.7(3) input/output 0/1 0 0 0 N/A 0 N/A 0 1 0 0 N/A 0 DVSS 1 1 0 0 N/A 0 P1.7/SDI/SDA/A3-/ 7 TDO/TDI SDI (SPI) / SDA (I2C) X X 1 0 N/A 0 A3-(4)(6) X X X 1 3 0 TDO/TDI(5)(7) X X X X X 1 (1) X = Don 't care (2) N/A = Not available or not applicable (3) Default after reset (PUC/POR) (4) 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. (5) In JTAG mode the internal pullup/down resistors are disabled. (6) With SD16AE.x = 0 the negative inputs are connected to VSS if the corresponding input is selected. (7) Function controlled by JTAG Copyright © 2005–2011, Texas Instruments Incorporated 75 |
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