Fujitsu SK-MB91590-208M04 Benutzerhandbuch - Seite 25
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4.16. The connection can be better understood by the following snapshot from the
schematic.
The initialization requires the writing of 0xF800 at the address location 0xC5 of the Display
driver. If you face any problems, please check the jumper settings for Display SPI or refer to
application notes related to the Display's driver IC HX8238-A for detailed understanding of
its configuration.
UART1_UART1_RDR1 = 0xFF & (0xF800 >> 8); ///< Data for Register 5 low byte
while(!UART1_UART1_SSR1_TDRE);
UART1_UART1_RDR1 = 0x00FF & 0xF800; ///< Data for Register 5 high byte
while(!UART1_UART1_SSR1_TDRE);
The following pins are dedicatedly used by Display Connector X3 are:
1) Pins P025, PG4, PG5, PG6, PG7, PA2, PA3
2) Complete ports D, E, F.
6.3 Miniature Loudspeaker (SP1)
The Miniature Loudspeaker is connected to the output of MCU's Sound Generator channel 4
module. The SGO4_1/P107 pin is used dedicatedly by the audio amplifier circuitry of the
loudspeaker as shown by its schematic below.
© Fujitsu Semiconductor Europe GmbH
Chapter 6 Dedicated Peripheral Devices
Figure 9. Connection of MCU's MFS channel 1 to Displays's SPI
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