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Appendix A EVM Connector Descriptions
This appendix contains the connection details for each of the main connectors on the EVM.
A.1 Analog Interface Connectors
A.1.1 Analog Dual-Row Socket Details, J11 and J21
The PCM3070EVM has two analog dual-row sockets located at the bottom of the board. These sockets
provide support to the EVM and connect the analog ground plane of the EVM to the USB-MODEVM
analog ground. Consult Samtec at www.samtec.com or call 1-800-SAMTEC-9 for a variety of mating
connector options. Table 3 summarizes the analog interface pinout for the PCM3070EVM.
Table 3. Analog Interface Pinout
PIN NUMBER SIGNAL DESCRIPTION
J11.1 NC Not Connected
J11.2 NC Not Connected
J11.3 NC Not Connected
J11.4 NC Not Connected
J11.5 NC Not Connected
J11.6 NC Not Connected
J11.7 NC Not Connected
J11.8 NC Not Connected
J11.9 AGND Analog Ground
J11.10 NC Not Connected
J11.11 AGND Analog Ground
J11.12 NC Not Connected
J11.13 AGND Analog Ground
J11.14 NC Not Connected
J11.15 NC Not Connected
J11.16 NC Not Connected
J11.17 AGND Analog Ground
J11.18 NC Not Connected
J11.19 AGND Analog Ground
J11.20 NC Not Connected
J21.1 NC Not Connected
J21.2 NC Not Connected
J21.3 NC Not Connected
J21.4 NC Not Connected
J21.5 NC Not Connected
J21.6 NC Not Connected
J21.7 NC Not Connected
J21.8 NC Not Connected
J21.9 AGND Analog Ground
J21.10 NC Not Connected
J21.11 AGND Analog Ground
J21.12 NC Not Connected
J21.13 AGND Analog Ground
J21.14 NC Not Connected
J21.15 NC Not Connected
J21.16 NC Not Connected
J21.17 AGND Analog Ground
J21.18 NC Not Connected
J21.19 AGND Analog Ground
20
EVM Connector Descriptions SLAU331A–January 2011–Revised October 2012
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