Texas Instruments TRS3122EEVM User Manual Download Page 5 | Manualshive

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SLCU001 – May 2016

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Copyright © 2016, Texas Instruments Incorporated

TRS3122EEVM User's Guide

Printed Circuit Board Layouts

PCB Layout

PCB Layout

PCB Layer Plots

Figure 0-1. Top Layer

Figure 0-2. Bottom Layer

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Summary of Contents for TRS3122EEVM

Page 1: ...n module for the TRS3122E device a 1 8 V high speed RS 232 transceiver The module enables device evaluation using the installed DB9 connector and terminal block The board interfaces data and control CMOS logic levels on the terminal block to RS 232 levels supporting data RX TX channels and flow control RTS CTS channels on the DB9 connector TRS3122EEVM Board Features Interface with MCUs or processo...

Page 2: ...apter For initial testing external wires can be added to screw terminals CTS2 to RTS2 and TX2 to RX2 to loop back the signal The ideal usage involves connecting the terminal block data and control lines to a system that has an UART Universal asynchronous receiver transmitter onboard The EVM has pull up resistors on the TRS3122E FORCEOFF and FORCEON pins to keep both driver and receiver active If d...

Page 3: ...er by a 0 Ω resistor to loopback the unused handshaking lines Pin 5 is grounded Screw Terminal Connector Screw Terminal Connector Pinout The screw terminal port provides access to the TRS3122E device communication pins as well as control output and power pins Note that pins are numbered from left to right in the description below Pins 1 through 4 provide access to the logic communication lines CTS...

Page 4: ...s feature H L H 30s Hi Z Receiver Function Table INPUTS OUTPUT RECEIVER STATUS RIN FORCEOFF FORCEON TIME ELAPSED SINCE LAST RIN OR DIN TRANSITION ROUT X L X X Hi Z Powered off L H X X H Normal Operation with auto powerdown plus disabled enabled H H X X L Open H X X H Pin 8 connects to the VL pin which is the logic level supply to which all logic inputs and outputs are referenced Pin 9 is connected...

Page 5: ...May 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TRS3122EEVM User s Guide Printed Circuit Board Layouts PCB Layout PCB Layout PCB Layer Plots Figure 0 1 Top Layer Figure 0 2 Bottom Layer ...

Page 6: ...ubmit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TRS3122EEVM User s Guide Figure 0 3 Top Overlay Figure 0 4 Top Solder Mask Figure 0 5 Bottom Solder Mask Figure 0 6 Drill Drawing Figure 0 7 Board Dimensions ...

Page 7: ...www ti com 7 SLCU001 May 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TRS3122EEVM User s Guide Schematic TRS3122EEVM Schematic ...

Page 8: ... J2 1 Terminal Block 10x1 2 54 mm TH Term Block 10x1 2 54 mm TH 1725737 Phoenix Contact R1 R2 R3 R4 4 10 0 k RES 10 0 k 1 0 1 W 0402 0402 ERJ 2RKF1002X Panasonic R5 R6 R7 R8 R9 5 0 RES 0 5 0 063 W 0402 0402 ERJ 2GE0R00X Panasonic TP1 TP2 TP3 TP4 TP5 TP6 TP7 TP8 8 SMT Test Point Miniature SMT Testpoint_Keys tone_Miniature 5015 Keystone TP9 1 Test Point Miniature SMT Testpoint_Keys tone_Miniature 50...

Page 9: ...esponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related information or support that may be provided by TI Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards which anticipate dangerous consequences of failur...

Page 10: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments TRS3122EEVM ...

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