bu6939fv ROHM Co. Ltd., bu6939fv Datasheet - Page 3

• Manufacturer Part Number: bu6939fv
• Description: Voice Synthesis Lsi
• Manufacturer: ROHM Co. Ltd.

◆External dimensions・Block diagram
Direct tune
input pin
SPI I/F Serial ROM
Pre-Processor
Controller
ROM I/F
Command
(Serial I/F)
SIO
I/F
BU6939FV
Figure1 External dimention
Figure 2. Block diagram
Main processor
LOT No.
Voice signal
Proccessing
Temporary
Coef. RAM
controller
Regulator
RAM
part
REV. A
SSOP-B28
Output I/F
OSC
DAC
Output
3/4