PM8621 PMC-Sierra, Inc., PM8621 Datasheet - Page 179

• Manufacturer Part Number: PM8621
• Description: NSE-8G Standard Product Data Sheet Preliminary
• Manufacturer: PMC-Sierra, Inc.

17.2
17.3
Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use
Document ID: PMC-2010850, Issue 1
Serial SBI Bus Interface
Table 21 Serial SBI Bus Interface
Symbol
F RLVDS
T FALL
T RISE
T SKEW
JTAG Port Interface
Table 22 JTAG Port Interface ( Figure 42)
Symbol
f TCK
tHI TCK
tHI TCK
tS TMS
tH TMS
tS TDI
tH TDI
tP TDO
tV TRSTB
Description
RP[11:0], RN[11:0] Bit Rate
V ODM fall time, 80%-20%,
(R LOAD =100
V ODM rise time, 20%-80%,
(R LOAD =100
Differential Skew
Description
TCK Frequency
TCK HI Pulse Width
TCK LO Pulse Width
TMS Set-up time to TCK
TMS Hold time to TCK
TDI Set-up time to TCK
TDI Hold time to TCK
TCK Low to TDO Valid
TRSTB Pulse Width
±1%)
±1%)
Min
10f
200
200
SYSCLK
-100ppm
NSE-8G™ Standard Product Data Sheet
Typical
10f
300
300
SYSCLK
Min
100
100
25
25
25
25
2
100
Max
10f
400
400
50
SYSCLK
+ 100ppm
Max
4
25
Preliminary
Units
ns
ns
ns
ns
ns
ns
ns
ns
MHz
MB/s
Units
ps
ps
ps
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