NXP Semiconductors LPCXpresso54608 - SD card

NXP Semiconductors
UM11035
LPCXpresso boards for LPC546xx/LPC540xx/LPC54S0xx families of
MCUs
UM11035
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2017-2019. All rights reserved.
User manual
Rev. 2.1 — 7th January 2019
28 of 36
Fig 6. Line input circuitry
A second 3.5 mm stereo jack socket (J6) provides a headphone / line out from the codec,
via the circuit shown in Fig 7.
Fig 7. Headphone / line output circuitry
The MCUXpresso SDK includes drivers and example code for the audio codec.
9.3 SD card
The full size SD card (J7) includes in the LPCXpresso546x8/540xx/54S0xx board
provides a 4-bit SDIO interface to support memory cards, plug-in WiFi modules, etc.
Power enable to the socket is provided via PIO2-5, with LED D7 providing a visual
indication when power is applied.
The MCUXpresso SDK includes drivers and examples of using this interface with SD
memory cards.
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.