LEA-6 / NEO-6 - Hardware Integration Manual
GPS.G6-HW-09007-A Preliminary Hardware description
Page 16 of 62
1.6.4.3 Pin configuration with module as one of several slaves
The buffers enabled by the CS_N signal make sure that the GPS receiver starts up with a known defined
configuration, since the SPI pins (MOSI, MISO and SCK) are at start up also configuration pins.
Figure 9: Diagram of SPI Pin Configuration
Component Description Model Supplier
U
1
– U
3
Buffer NC7SZ125 Fairchild
Figure 10: Recommended components for SPI pin configuration
Use same power voltage to supply U
1
– U
3
and VCC.