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MSP430F5259 Datasheet(PDF) 79 Page - Texas Instruments |
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MSP430F5259 Datasheet(HTML) 79 Page - Texas Instruments |
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79 / 107 page ![]() P3.0/UCB0SIMO/UCB0SDA P3.1/UCB0SOMI/UCB0SCL P3.2/UCB0CLK/UCA0STE P3.3/UCA0TXD/UCA0SIMO P3.4/UCA0RXD/UCA0SOMI Direction 0:Input 1:Output P3SEL.x 1 0 P3DIR.x P3IN.x EN Tomodule 1 0 Frommodule P3OUT.x 1 0 DV SS DV IO P3REN.x PadLogic 1 P3DS.x 0:Lowdrive 1:Highdrive D Frommodule MSP430F5259, MSP430F5258, MSP430F5257, MSP430F5256 MSP430F5255, MSP430F5254, MSP430F5253, MSP430F5252 www.ti.com SLAS903A – MAY 2013 – REVISED JULY 2013 Port P3, P3.0 to P3.4, Input/Output With Schmitt Trigger Table 54. Port P3 (P3.0 to P3.4) Pin Functions CONTROL BITS AND SIGNALS(1) PIN NAME (P3.x) x FUNCTION P3DIR.x P3SEL.x P3.0/UCB0SIMO/UCB0SDA 0 P3.0 (I/O) I: 0; O: 1 0 UCB0SIMO/UCB0SDA(2) (3) X 1 P3.1/UCB0SOMI/UCB0SCL 1 P3.1 (I/O) I: 0; O: 1 0 UCB0SOMI/UCB0SCL (2) (3) X 1 P3.2/UCB0CLK/UCA0STE 2 P3.2 (I/O) I: 0; O: 1 0 UCB0CLK/UCA0STE(2) (4) X 1 P3.3/UCA0TXD/UCA0SIMO 3 P3.3 (I/O) I: 0; O: 1 0 UCA0TXD/UCA0SIMO(2) X 1 P3.4/UCA0RXD/UCA0SOMI 4 P3.4 (I/O) I: 0; O: 1 0 UCA0RXD/UCA0SOMI(2) X 1 (1) X = Don't care (2) The pin direction is controlled by the USCI module. (3) If the I2C functionality is selected, the output drives only the logical 0 to VSS level. (4) UCB0CLK function takes precedence over UCA0STE function. If the pin is required as UCB0CLK input or output, USCI_A0 is forced to 3-wire SPI mode if 4-wire SPI mode is selected. Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback 79 |
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