MCC501RX166TD0B Motorola / Freescale Semiconductor, MCC501RX166TD0B Datasheet - Page 70

• Manufacturer Part Number: MCC501RX166TD0B
• Description: Network Processor, 16 Processing Elements, 166MHz Core Operating Frequency, 5Gbps Max Throughput, 838-CBGA
• Manufacturer: Motorola / Freescale Semiconductor

70
Table 37 System Clock Timing Description
*
†
January 21, 2002 — Preliminary Version
Symbol Parameter
Tsc
Tsh
Tsl
Tcc0
Tcc1
Tcc2
Tcc3
Tcc4
Tcc5
Tcc6
Tcc7
Tcch
Tccl
Pulse duty cycle measured at crossing voltage of SCLK/SCLKX
The frequencies specified for CCLK0 - CCLK7 allow full flexibility for the C-5 NP . Clock inputs associated with a specific protocol should be tied to ground
when that protocol is not used by the C-5 NP . It is also possible to use one or more CCLKn inputs for other frequencies; contact your C-Port
representative for more information.
C
HAPTER
SCLKX
CCLKn
System Cycle Time 6.0
Sys Clk High Pulse
Sys Clk Low Pulse
CCLK0 Cycle Time
CCLK1 Cycle Time
CCLK2 Cycle Time
CCLK3 Cycle Time
CCLK4 Cycle Time
CCLK5 Cycle Time
CCLK6 Cycle Time
CCLK7 Cycle Time
CCLKm High Time
CCLKm Low Time
SCLK
3: E
LECTRICAL
T
sh
Cycle 1
S
T
sc
PECIFICATIONS
Min
1X Clk Mode 2X Clk Mode
5.0
4.3
45
45
40%
40%
T
sl
Figure 12 System Clock Timing Diagram
Cycle 2
3.0
2.5
2.14
30
30
40%
40%
T
cch
T
ccN
T
ccl
Typ
647.67
488.28
29.097
22.353
20.00
9.412
8.00
6.43
Cycle 3
Max
1X Clk Mode 2X Clk Mode
55
55
60%
60%
70
70
60%
60%
Cycle 4
Unit Comment
ns
ns
ns
ns
ns
ns
ns
ns
ns
Cycle 5
166MHz core clock
200MHz core clock
233MHz core clock
Duty cycle*
Duty cycle†
T1†
E1†
E3†
T3†
RMII†
Fibre Channel†
GMII†
OC-3†
% cycle pulse is high
% cycle pulse is low
C-Port Confidential