CT8022 Datasheet, PDF (163/194 Pages) List of Unclassifed Manufacturers – VOIP/VON G.723.1, G279AB TRUESPEECH CO-PROCESSOR

Version: 1.18
PRELIMINARY/CONFIDENTIAL
TrueSpeech® Co-Processor
10.4 Host Read From Host Receive Data Buffer Access Port
HSTRDN
t1
t2
HSTCSN
t4
HSTAB0
HSTA3-1
t3
HSTDB7-0
RX Ready
RXDREQ
t5
t6
Buffer Address
IRQN
byte 1
byte 2
t7
t8
t9
byte 2N
Parameter
t1
t2
t3
t4
t5
t6
t7
t8
t9
Description
Recovery time between Host
accesses
HSTRDN width
HSTRDN or HSTCSN to data out
valid
HSTAB3-0 setup time prior to
falling edge of HSTRDN or
HSTCSN
HSTAB3-0 hold time after positive
edge of HSTRDN or HSTCSN
HSTRDN or HSTCSN inactive to
data out tri-state (output disable
delay)
Final rising edge of HSTRDN to RX
Ready cleared
Final rising edge of HSTRDN to
RXDREQ cleared
Final rising edge of HSTRDN to
IRQN de-asserted
Min
2 * MAINCLOCKP
2 * MAINCLOCKP
5 ns
2 ns
Max
30 ns
30 ns
MAINCLOCKP
MAINCLOCKP
MAINCLOCKP
CT8022A11AQC FW Revision 0118
DSP GROUP, INC., 3120 SCOTT BOULEVARD
163
SANTA CLARA, CA 95054 PH: 408 986 – 4300 FAX: 408 986 – 4490
All specifications are subject to change without prior notice.