TrueSpeech® Co-Processor
Version: 1.18
PRELIMINARY/CONFIDENTIAL
2 External Component Connections
2.1
PLL Circuit
VCC
100
PLL VCC
AVCC3
XIN
1M
XOUT
PLLR
PLLC
PLLT
1K
100
0.1 uF
+
Crystal
1 nF
10 uF
10 pF
10 pF
PLL GND
AGND3
PLLBYPASS
Connect to GND at single point
GND
Figure 2-1:
PLL Circuit
Crystal frequency is nominal 4.096 MHz. An external 4.096 MHz clock source may replace the Crystal.
CT8022A11AQC FW Revision 0118 DSP GROUP, INC., 3120 SCOTT BOULEVARD
SANTA CLARA, CA 95054 PH: 408 986 – 4300 FAX: 408 986 – 4490
15
All specifications are subject to change without prior notice.