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UCD3138064ARGCR Folha de dados(PDF) 46 Page - Texas Instruments |
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UCD3138064ARGCR Folha de dados(HTML) 46 Page - Texas Instruments |
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46 / 83 page ![]() 46 UCD3138064A SLUSCA5A – DECEMBER 2015 – REVISED AUGUST 2016 www.ti.com Submit Documentation Feedback Product Folder Links: UCD3138064A Detailed Description Copyright © 2015–2016, Texas Instruments Incorporated GPIO functionality. The Global I/O registers offer full control of: 1. Configuring each pin as a GPIO. 2. Setting each pin as input or output. 3. Reading the pin’s logic state, if it is configured as an input pin. 4. Setting the logic state of the pin, if it is configured as an output pin. 5. Connecting pin/pins to high rail through internal push/pull drivers or external pull up resistors. The Global I/O registers include Global I/O EN register, Global I/O OE Register, Global I/O Open Drain Control Register, Global I/O Value Register and Global I/O Read Register. The following is showing the format of Global I/O EN Register (GLBIOEN) as an example: BIT NUMBER 31:0 Bit Name GLOBAL_IO_EN Access R/W Default 0000_0000_0000_0000_0000_0000_0000_0000 Bits 29-0: GLOBAL_IO_EN – This register enables the global control of digital I/O pins 0 = Control of IO is done by the functional block assigned to the IO (Default) 1 = Control of IO is done by Global IO registers. BIT PIN_NAME PIN NUMBER UCD3138x 31 PWM2 11 30 PWM3 12 29 FAULT3 55 28 ADC_EXT_TRIG 14 27 TCK 45 26 TDO 46 25 TMS 48 24 TDI 47 23 SCI_TX1 37 22 SCI_TX0 35 21 SCI_RX1 38 20 SCI_RX0 36 19 TCAP0 49 18 PWM1 40 17 PWM0 39 16 TCAP1 13 15 I2C_DATA 20 14 PMBUS_CTRL 18 13 PMBUS_ALERT 17 12 EXT_INT 42 11 FAULT2 54 10 FAULT1 44 9 FAULT0 43 8 SYNC 34 7 DPWM3B 29 6 DPWM3A 28 5 DPWM2B 27 4 DPWM2A 26 3 DPWM1B 25 |
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