参数资料
型号: EWIXP455ABT
厂商: INTEL CORP
元件分类: 微控制器/微处理器
英文描述: 266 MHz, RISC PROCESSOR, PBGA544
封装: LEAD FREE, PLASTIC, BGA-544
文件页数: 69/163页
文件大小: 1123K
代理商: EWIXP455ABT
Electrical Specifications
May 2005
Intel IXP45X and Intel IXP46X Product Line of Network Processors Datasheet
160
Document Number: 306261-002
5.6.2.11
JTAG
Figure 46.
Boundary-Scan General Timings
Figure 47.
Boundary-Scan Reset Timings
Table 80.
Boundary-Scan Interface Timings Values
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
Notes
Tbscl
JTG_TCK low time
50
ns
Tbsch
JTG_TCK high time
50
ns
Tbsis
JTG_TDI, JTG_TMS setup time to
rising edge of JTG_TCK
10
ns
Tbsih
JTG_TDI, JTG_TMS hold time
from rising edge of JTG_TCK
10
ns
Tbsoh
JTG_TDO hold time after falling
edge of JTG_TCK
1.5
ns
Tbsod
JTG_TDO clock to output from
falling edge of JTG_TCK
40
ns
Tbsr
JTG_TRST_N reset period
30
ns
Tbsrs
JTG_TMS setup time to rising
edge of JTG_TRST_N
10
ns
Tbsrh
JTG_TMS hold time from rising
edge of JTG_TRST_N
10
ns
NOTES:
1. Tests completed with a 40-pF load to ground on JTAG_TDO.
2. JTG_TCK may be stopped indefinitely in either the low or high phase.
B0416-01
Tbsel
Tbsis
Tbsih
Tbsch
JTG_TCK
JTG_TMS, JTG_TDI
JTG_TDO
Tbsoh
Tbsod
A9597-01
Tbsr
Tbsrs Tbsrh
JTG_TRST_N
JTG_TMS
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