ON Semiconductor EZAIRO 7150 SL, Руководство пользователя

Страница: 11 / 16

EVBUM2511/D
www.onsemi.com
11
APPENDIX A − CONNECTORS
Overview
This appendix contains a listing of all connectors on the hybrid demonstrator boards. It is divided into the following sections:
•
Jumpers: a complete listing and description of all jumpers and possible configurations
•
Headers: a complete listing and description of all headers
•
Switches: a complete listing and description of all switches and possible configurations
•
Connectors: a complete listing and description of all connectors
Jumpers
Table 9. MOTHERBOARD JUMPER DESCRIPTIONS
Designator Description
RFVDD−SEL RFVDD (nRF51822 supply) voltage selection
RVDD−I RFVDD supply current header and power enable
CAA−GND Disconnects the I
2
C programmer ground from the system ground
VDDO2−SEL Ezairo 7150 SL VDDO2 voltage selection
VDDO3−SEL Ezairo 7150 SL VDDO3 voltage selection
VBAT−I Ezairo 7150 SL VBAT current header and power enable
PSU−SEL Ezairo 7150 SL VBAT voltage selection
MICGND Input ground connection to AGND or GNDMIC
FILTEN0 Enable OD0 on-board RC output filter
FILTEN1 Enable OD1 on-board RC output filter
X2 Header for connecting VDDO3 to the CAA VSENSE signal
Headers
Table 10. MOTHERBOARD HEADER DESCRIPTIONS
Designator Description
RFVDD RFVDD measurement header
RFVDD−EXT External power supply header for RFVDD
VDDO2−EXT External power supply header for VDDO2
VDDO3−EXT External power supply header for VDDO3
DIO DIO signals for DIOs: 5, 6, 8, 9, 20, 21, 22, 23, 24, and 29
EXT−PSU External power supply header for VBAT
X3 Header for optional battery capacitor
VBAT VBAT measurement header
AI0 AI0 input header
AI1 AI1 input header
AI2 AI2 input header
AI3 AI3 input header
OUT0 OD0 filtered output
OUT1 OD1 filtered output
FILTEN0 OD0 header, non-filtered output at pins 1 and 3
FILTEN1 OD0 header, non-filtered output at pins 1 and 3