FT800 Series Programmer Guide
Version 2.1
Document Reference No.: BRT_000030 Clearance No.: BRT#037
62
Copyright © Bridgetek Limited
3.3
Audio Engine Registers
Register Definition 43
REG_PLAY Definition
31
1
0
Address: 0x102488
Reset Value: 0x0
Note: Please refer to the datasheet sector "Sound Synthesizer" for the details of this
register.
Bit 0 : A write to this bit triggers the play of synthesized sound effect specified in
REG_SOUND.
Reading value 1 in this bit means the sound effect is playing. To stop the sound effect,
the host needs to select the silence sound effect by setting up REG_SOUND and set
this register to play.
Register Definition 44
REG_SOUND Definition
Reserved
31
16 15
0
R/W
REG_SOUND Definition
Address: 0x102484
Reset Value: 0x0000
Note: Please refer to the datasheet sector "Sound Synthesizer" for the details
of this register.
Bit 0 - 15 : These bits are used to select the synthesized sound effect. They
are split into two group Bit 0 - 7, Bit 8- 15.
Bit 0 - 7 : These bits define the sound effect. Some of them are pitch
adjustable and the pitch is defined in Bits 8 - 15. Some of them are not pitch
adjustable and the Bits 8 - 15 will be ignored.
Bit 8 - 15: The MIDI note for the sound effect defined in Bits 0 - 7.
