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User manual for MA evaluation boards
MA2304DNS/MA2304PNS
Operating the demonstration board
3
Operating the demonstration board
3.1
Recommended operating conditions
Table 6
Recommended operating conditions
Parameter
PVDD
Output peak current (BTL)
Output peak current (PBTL)
3.2
Toggle switches
The board has two MA2304xNS-related toggle switches, as shown in
following functions:
Table 7
Switch function
Switch
SW_ENABLE
SW_MUTE
3.3
Firmware flash for the USB MCU
The evaluation board's MCU firmware can easily be updated through USB. The latest firmware bin file can be
obtained by downloading and installing the latest MERUS™ amplifier tool GUI for the MA2304xNS. The firmware
bin file is located in the "[Installation folder]\firmware" folder.
Follow the subsequent steps to flash the MCU:
1. Configure the evaluation board jumpers and switches as described in
2. Set the Jdebug jumper to the third column from left to right (connecting pin 5 and 6):
Figure 4
Configuring the Jdebug header for firmware flash
3. Connect a USB cable to the evaluation board:
Figure 5
Connecting a USB cable to the evaluation board
User Manual
Minimum
10
Function
Off/on (default set to "off")
Mute/unmute (default set to "mute")
Nominal
Maximum
18
20
6.0
12.0
Table
7. The toggle switches have the
Table
10
Unit
V
A
A
3.
2022-08-26
V 1.0
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