參數資料
型號: MSC7118VF1200
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 數字信號處理
英文描述: 0-BIT, 300 MHz, OTHER DSP, PBGA400
封裝: 17 X 17 MM, MAPBGA-400
文件頁數: 31/60頁
文件大?。?/td> 1528K
代理商: MSC7118VF1200
MSC7118 Low-Cost 16-bit DSP with DDR Controller Data Sheet, Rev. 7
Freescale Semiconductor
37
2.5.12
JTAG Signals
Table 27. JTAG Timing
No.
Characteristics
All frequencies
Unit
Min
Max
700
TCK frequency of operation (1/(T
C ×
3)
Note:
TC = 1/CLOCK which is the period of the core clock. The TCK
frequency must less than 1/3 of the core frequency with an absolute
maximum limit of 40 MHz.
0.0
40.0
MHz
701
TCK cycle time
25.0
ns
702
TCK clock pulse width measured at VM = 1.6 V
11.0
ns
703
TCK rise and fall times
0.0
3.0
ns
704
Boundary scan input data set-up time
5.0
ns
705
Boundary scan input data hold time
14.0
ns
706
TCK low to output data valid
0.0
20.0
ns
707
TCK low to output high impedance
0.0
20.0
ns
708
TMS, TDI data set-up time
5.0
ns
709
TMS, TDI data hold time
14.0
ns
710
TCK low to TDO data valid
0.0
24.0
ns
711
TCK low to TDO high impedance
0.0
10.0
ns
712
TRST assert time
100.0
ns
Note:
All timings apply to OCE module data transfers as the OCE module uses the JTAG port as an interface.
Figure 22. Test Clock Input Timing Diagram
TCK
(Input)
VM
VIH
VIL
701
702
703
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:
MSC7118VF1200,
MSC7118VM1200,
MSC711XADS
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