SNC88060 Datasheet, PDF (5/14 Pages) SONiX Technology Company – 24-Channel MIDI/Speech Controller

4 Block Diagram
SNC88060
24-Channel MIDI/Speech Controller
ROM
Program/Speech/Melody/Instrument waveform
184K 12 bits
Address Pointers/ STACK
SRAM (640 bytes)
OSC
Timing
Generator
Music
Synthesizer
IO0
Sampling
Rate Counter
Voice
Synthesizer
IO1
Timer
ALU
10bit D/A X 2
Direct Drive
IO2
5 FUNCTION DESCRIPTION
5.1. Oscillator
CKSEL (Clock Select) input pin of the SNC88060 selects between crystal
oscillator/ceramic resonator or RC type oscillators as system clock.
VDD
CKS E L
XIN
20pf
CKS EL
XIN
NC
GND
XO UT
1 6 .3 8 4 Mh z
20pf
Crys ta l / Re s ona tor
XO UT
NC
RC Os cilla tor
Notice: For RC Oscillator, Keep XOUT and XIN as “No Connect”.
Ver: 1.5
5
Sep 08, 2006