Hardware Reference - Stollmann
Hardware Reference - Stollmann
Hardware Reference - Stollmann
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BlueMod+B20/AI<br />
BlueMod+B20/AP<br />
BlueMod+B20/AP/L<br />
3.9 Serial Peripheral Interface<br />
BlueMod+B20 uses a 16-bit-data and16-bit-address Serial Peripheral Interface<br />
(SPI). This interface is used for configuration, firmware flash and debug purposes<br />
only.<br />
SPI Interface Cable<br />
SPI Signal Name B20 Pin LPT Sub-D 25 Pin<br />
MISO 30 10<br />
MOSI 27 8<br />
CLK 28 9<br />
CS# 29 2<br />
XAP_RESET 31 16<br />
GND 2,21,34,35 18, 19<br />
Note: It is highly recommended to make the SPI accessible in your design to<br />
ensure a future firmware upgrade for your module!<br />
Release r09 www.stollmann.de Page 18 of 55
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