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