cx29600 Mindspeed Technologies, cx29600 Datasheet - Page 188

• Manufacturer Part Number: cx29600
• Description: Optiphytm - M155 Sts-3 Sonet/sdh Multiplexer
• Manufacturer: Mindspeed Technologies

5.0 Electrical and Mechanical Specifications
5.1 Timing Specifications
5.1.2 SI-Bus Transmit Timing
Figure 5-7. Transmit Timing Parameters
Table 5-6. Transmit Timing Values
5-12
Label
T
T
T
T
T
T
pwh1
T
pwh2
pwl1
pwl2
per1
T
per2
T
pd
s
h
Period, STxClk_n (nominal 19.44 MHz)
Pulse width high, STxClk_n
Pulse width low, STxClk_n (not including gapping)
Propagation delay, STxStart_n from rising edge of
STxClk_n
Setup, STxData_n/STxPrty_n to rising edge of TxClk
Hold, STxData_n/STxPrty_n from rising edge of TxClk
Period, STxHSClk
Pulse width high, STxHSClk
Pulse width low, STxHSClk
STxStart_n
STxData_n
STxPrty_n
STxHSClk
STxClk_n
The CX29600 generates clock and control signals and the slave devices respond
with data/parity. The CX29600 generates control outputs synchronously with the
rising edge of STxClk_n and samples returning data on the rising edge of TxClk.
The nominal clock frequency is 19.44 MHz.
requirements for the transmit interface. The target timing values relative to TxClk
are listed in
Description
Mindspeed Technologies
Table
T
pd
T
pwh1
5-6.
T
T
pwh2
per1
T
T
per2
pwl1
T
s
T
Min
pwl2
8.6
8.2
—
23
23
12
—
1
0
™
T
h
Typical
Figure 5-7
51.44
19.29
—
—
—
—
—
—
—
illustrates the timing
Max
—
—
—
—
—
—
—
—
5
CX29600 Data Sheet
T
29600-DSH-001-B
pd
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
CX29600
100518_043
Load
20 pF
20 pF
20 pF
20 pF
20 pF
20 pF
20 pF
20 pF
20 pF