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UCD3138RHAR Folha de dados(PDF) 14 Page - Texas Instruments |
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UCD3138RHAR Folha de dados(HTML) 14 Page - Texas Instruments |
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14 / 78 page  UCD3138 SLUSAP2F – MARCH 2012 – REVISED NOVEMBER 2013 www.ti.com 2.9 Pin Functions (UCD3138RHA and UCD3138RMH) Additional pin functionality is specified in the following table. Table 2-2. Pin Functions ALTERNATE ASSIGNMENT CONFIGURABLE PIN NAME PRIMARY ASSIGNMENT AS A GPIO? NO. 1 NO. 2 NO. 3 1 AGND Analog ground 2 AD13 12-bit ADC, Ch 13, Connected to comparator E, I-share 3 AD06 12-bit ADC, Ch 6, Connected to comparator F 4 AD04 12-bit ADC, Ch 4, Connected to comparator D 5 AD03 12-bit ADC, Ch 3, Connected to comparator B & C 6 DGND Digital ground 7 RESET Device Reset Input, active low 8 ADC_EXT_TRIG ADC conversion external trigger input TCAP SYNC PWM0 Yes 9 PMBUS_CLK PMBUS Clock (Open Drain) SCI_TX0 Yes 10 PMBUS_DATA PMBus data (Open Drain) SCI_RX0 Yes 11 DPWM0A DPWM 0A output Yes 12 DPWM0B DPWM 0B output Yes 13 DPWM1A DPWM 1A output Yes 14 DPWM1B DPWM 1B output Yes 15 DPWM2A DPWM 2A output Yes 16 DPWM2B DPWM 2B output Yes 17 DWPM3A DPWM 3A output Yes 18 DPWM3B DPWM 3B output Yes 19 PMBUS_ALERT PMBus Alert (Open Drain) Yes 20 PMBUS_CTRL PMBus Control (Open Drain) Yes 21 TCK JTAG TCK (For manufacturer test only) TCAP SYNC PWM0 Yes 22 TDO JTAG TDO (For manufacturer test only) SCI_TX0 PMBUS_ALERT FAULT0 Yes 23 TDI JTAG TDI (For manufacturer test only) SCI_RX0 PMBUS_CTRL FAULT1 Yes 24 TMS JTAG TMS (For manufacturer test only) Yes 25 FAULT2 External fault input 2 Yes 26 DGND Digital ground 27 V33D Digital 3.3V core supply 28 BP18 1.8V Bypass 29 AGND Substrate analog ground 30 AGND Analog ground 31 EAP0 Channel #0, differential analog voltage, positive input 32 EAN0 Channel #0, differential analog voltage, negative input 33 EAP1 Channel #1, differential analog voltage, positive input 34 EAN1 Channel #1, differential analog voltage, negative input 35 EAP2 Channel #2, differential analog voltage, positive input (Recommended for peak currrent mode control) 36 AGND Analog ground 37 V33A Analog 3.3V supply 38 AD00 12-bit ADC, Ch 0, Connected to current source 39 AD01 12-bit ADC, Ch 1, Connected to current source 40 AD02 12-bit ADC, Ch 2, Connected to comparator A, I-share Corner Corner All four anchors should be soldered and tied to GND NA anchor pin (RMH only) 14 Overview Copyright © 2012–2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: UCD3138 |
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