Neoway N723-EA - Page 6

N723-EA Hardware User Guide
Table of Figures
Copyright © Neoway Technology Co., Ltd. All rights reserved.
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Figure 5-26 Reference design of the I2S ......................................................................................... 49
Figure 5-27 SPI reference design .................................................................................................... 50
Figure 5-28 Reference design of the I2C ......................................................................................... 51
Figure 5-29 Reference design of the RMII interface ........................................................................ 52
Figure 5-30 Reference design of the SDIO interface with a PHY chip: ........................................... 53
Figure 5-31 SDIO reference design ................................................................................................. 54
Figure 5-32 L-type network .............................................................................................................. 56
Figure 5-33 T-type network .............................................................................................................. 56
Figure 5-34 π-type network .............................................................................................................. 56
Figure 5-35 Recommended RF PCB design ................................................................................... 57
Figure 5-36 Murata RF connector encapsulation specifications ...................................................... 58
Figure 5-37 RF cable connections ................................................................................................... 58
Figure 5-38 Antenna layout .............................................................................................................. 59
Figure 5-39 Layout around the antenna ........................................................................................... 59
Figure 5-40 Pulse wave for an incoming call ................................................................................... 60
Figure 5-41 RING indicator for SMS ................................................................................................ 61
Figure 5-42 Driving LED with a triode .............................................................................................. 61
Figure 8-1 N723-EA dimensions (unit: mm) ..................................................................................... 67
Figure 8-2 N723-EA label ................................................................................................................. 68
Figure 8-3 Packing process ............................................................................................................. 69
Figure 9-1 N723-EA bottom view of PCB package (unit: mm) ......................................................... 70
Figure 9-2 N723-EA recommended footprint of the pplication PCB (unit: mm) ............................... 71
Figure 9-3 Oven temperature profile ................................................................................................ 72