GC3011 Datasheet, PDF (31/35 Pages) Texas Instruments – DIGITAL RESAMPLER

GC3011 DIGITAL RESAMPLER
6.5 SYNCHRONIZING MULTIPLE GC3011 CHIPS
A system containing two or more GC3011 chips will need to be synchronized so that their
resampling delays and output FIFOs are locked. This is done using the multi-chip synchronization signals
DC[0:11], CV, FOZ, FIZ and M/S as described in Section 2.6. A block diagram showing how to configure
the chips is shown in Figure 6.
.
I_IN
SYNC IN
INPUT
CLOCK
Q_IN
DI
DO
SI
GC3011
“MASTER”
CK
OCK
CKOUT
M/S
DC DV FOZ FIZ
CLOCK
DRIVER
CHIP
DC DV FOZ FIZ
DI
DO
SI
GC3011
“SLAVE”
CK
OCK
M/S
CKOUT
I_OUT
OUTPUT
CLOCK
Q_OUT
Figure 6. SYNCHRONIZING MULTIPLE GC3011 CHIPS
Figure 6 shows how one would configure the chips to resample complex data. The sync input is not
necessary unless there are system wide diagnostics which require it.
GRAYCHIP,INC.
- 31 -
JULY 22, 1996
This document contains information which may be changed at any time without notice