MAX3421E Shield
Overview
Support for expansion boards (shields) based on MAX3421E USB Peripheral/Host controller.
Sparkfun USB Host Shield
Pins Assignment of the Shield Connector
Shield Connector Pin |
Function |
MAX3421E Pin |
|---|---|---|
D0 |
not connected |
|
D1 |
not connected |
|
D2 |
not connected |
|
D3 |
not connected |
|
D4 |
not connected |
|
D5 |
not connected |
|
D6 |
not connected |
|
D7 |
RESET pin |
|
D8 |
not connected |
|
D9 |
INTn |
24 (Interrupt Output) |
D10 |
SPI CSn |
34 (SPI Chip Select) |
D11 |
SPI MOSI |
36 (SPI Serial Data Input) |
D12 |
SPI MISO |
35 (SPI Serial Data Out) |
D13 |
SPI SCK |
37 (SPI Serial Clock Input) |
D14 |
not connected |
|
D15 |
not connected |
Programming
Set -DSHIELD=sparkfun_max3421e when you invoke west build or cmake
in your Zephyr application.