CT8022 Datasheet, PDF (167/194 Pages) List of Unclassifed Manufacturers – VOIP/VON G.723.1, G279AB TRUESPEECH CO-PROCESSOR

Version: 1.18
PRELIMINARY/CONFIDENTIAL
TrueSpeech® Co-Processor
10.7 DMA Read from Host Receive Data Buffer Access Port (Burst Mode)
HSTCSN
RXDREQ
RXDACKN
HSTRDN
HSTDB7-0
RX Ready
Buffer Address
IRQN
t5
byte 1
t2
t3
t6
t1
t4
t8
byte 2
t7
byte 2N
Parameter
t1
t2
t3
t4
t5
t6
t7
t8
Description
RXDACKN hold time after rising
edge of HSTRDN
HSTRDN to data valid delay
(access time)
Recovery time between DMA
accesses
HSTDRN width
RXDACKN setup time before falling
edge of HSTRDN
Final rising edge of HSTRDN to
RXDREQ de-assertion
Final rising edge of HSTRDN to
IRQN de-assertion
Final rising edge of HSTDRN to RX
Ready de-assertion
Notes:
1. t6, t7, t8 may be negative.
Min
2 ns
2 * MAINCLOCKP
2 * MAINCLOCKP
5 ns
Max
30 ns
MAINCLOCKP
MAINCLOCKP
MAINCLOCKP
CT8022A11AQC FW Revision 0118
DSP GROUP, INC., 3120 SCOTT BOULEVARD
167
SANTA CLARA, CA 95054 PH: 408 986 – 4300 FAX: 408 986 – 4490
All specifications are subject to change without prior notice.