Linx-technologies LICAL-EDC-DS User Manual

DS Series Encoder/Decoder Module Data Guide

– – – –1415Encoder Typical ApplicationFigure 15 shows a circuit using the DS Series configured as a Holtek® encoder. This configuration matches

– – – –1617Recommended Pad LayoutThe DS Series encoder/decoder is implemented in a 28-pin Shrink Small Outline Package (28-SSOP). The recommen

– – – –1819ResourcesSupportFor technical support, product documentation, application notes, regulatory guidelines and software updates, visit

DisclaimerLinx Technologies is continually striving to improve the quality and function of its products. For this reason, we reserve the right to mak

Warning: Some customers may want Linx radio frequency (“RF”) products to control machinery or devices remotely, including machinery or device

– –1DescriptionThe DS Series encoder/decoder is ideal for remote control applications. It is used to transfer the status of up to eight buttons or

– – – –23DS Series Encoder/Decoder SpecificationsParameter Symbol Min. Typ. Max. Units NotesOperating Voltage VCC2.2 5.5 VDCE

– – – –45P_SELD0D1D2D3D4D5GNDD6D7DOUT/VTTE/DINA9A8A7A6A5A4VCCGND12345678910111213141516171819202122232425262728E/D_SELD_CFGA_CFG0A_CFG1A3A2A1A

– – – –67Initial OperationOn power-up, the E/D_SEL line is tested to determine if the DS operates as an encoder or a decoder. If the line is h

– – – –89Holtek Data and Packet StructureThe Holtek® encoders and decoders have tri-state input lines. They recognize three distinct states: o

– – – –1011Example packets are shown in Figure 10 with all lines set in a specific state.Figure 11 shows the timings associated with the Holtek

– – – –1213Serial Data and Packet StructureThe serial protocol encodes the address and data lines as binary bits that follow logic low and log