Cirrus Logic CRD48L10 - Manual (Page 31)

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6.1 Checking the Revision of MCU Code in the Board
Chapter 6
Updating the MCU Image
The CRD48L10 MCU is not automatically updated to the latest version. The user must compare the revision of the MCU
code on the board to the revision that is included in the SDK and manually perform the update.
6.1 Checking the Revision of MCU Code in the Board
When powering on the CRD48L10 board, the MCU displays the revision of its code for three seconds. The user must have
the MCU-USER-INTERFACE connected. View the LCD while powering on or resetting the board, as shown in
Fig. 6-1 .
Figure 6-1. LCD Display of MCU Revision
6.2 Checking the Revision of MCU Code Included in the SDK
Access the Start menu, and go to Start > All Programs > CirrusDSP > CS48LXX > CRD48L10. There is a batch file labeled
“Program crd48l10_rev_0xHHHH.hex”, as shown in
Fig. 6-2 .
Figure 6-2. Start Menu Revision
Compare this revision to the one on the LCD.
6.3 Programming the MCU
Program the MCU by clicking on Start > All Programs > CirrusDSP > CS48LXX > Program crd48l10_rev_0xHHHH.hex.
This launches a batch file.
The 5x2 ribbon cable must be connected between the CDB-MCU-DEBUG and CRD48L10 as specified in the batch file.
Then, press any key. Verify the programming was successful, as shown in
Fig. 6-3 .