RS8234 Mindspeed Technologies, RS8234 Datasheet - Page 343

• Manufacturer Part Number: RS8234
• Description: Atm Servicesar Plus With Xbr Traffic Management
• Manufacturer: Mindspeed Technologies

RS8234
ATM ServiceSAR Plus with xBR Traffic Management
Figure 15-2. PCI Bus Output Timing Measurement Conditions
15.1.2 ATM Physical Interface Timing—UTOPIA and Slave UTOPIA
All ATM physical interface signals are synchronous to the interface clock, FRCTRL, except for TXCLAV and
RXCLAV in the slave UTOPIA mode. Timing parameters for the UTOPIA interface are provided in
Table 15-3
are provided in
Table 15-2. UTOPIA Interface Timing Parameters (1 of 2)
28234-DSH-001-B
Symbol
t
t
t
high
t
cyc
low
t
su
h
provides the timing parameters for the slave UTOPIA interface. Timing diagrams for both interfaces
Figure 15-3
FRCTRL Cycle Time
FRCTRL High Time
FRCTRL Low Time
RXD Input Setup Time to FRCTRL
RXPAR Input Setup Time to FRCTRL
RXSOC Input Setup Time to FRCTRL
RXCLAV Input Setup Time to FRCTRL
TXCLAV Input Setup Time to FRCTRL
RXD Input Hold Time from FRCTRL
RXPAR Input Hold Time from FRCTRL
RXSOC Input Hold Time from FRCTRL
RXCLAV Input Hold Time from FRCTRL
TXCLAV Input Hold Time from FRCTRL
Three-state Output
and
Output Delay
Figure
(1)
(1)
(1)
Parameter
HCLK
(% of tcyc)
(% of tcyc)
15-4.
Mindspeed Technologies
(1)
(1)
t
(1)
(1)
on
(1)
(1)
(1)
(1)
(1)
(1)
t off
t val
15.0 Electrical and Mechanical Specifications
™
Min
30
40
40
10
10
10
10
10
1
1
1
1
1
Max
—
60
60
—
—
—
—
—
—
—
—
—
—
Table
15.1 Timing
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
%
100074_088
15-2.
15-3