參數(shù)資料
型號: PC8641MSH1333JB
廠商: E2V TECHNOLOGIES PLC
元件分類: 微控制器/微處理器
英文描述: MICROPROCESSOR, CBGA1023
封裝: 33 X 33 MM, 2.72 MM HEIGHT, 1 MM PITCH, ROHS COMPLIANT, CERAMIC, FC-BGA-1023
文件頁數(shù): 58/111頁
文件大?。?/td> 1660K
代理商: PC8641MSH1333JB
50
0893C–HIREL–01/10
PC8641 and PC8641D [Preliminary]
e2v semiconductors SAS 2010
12. JTAG
This section describes the AC electrical specifications for the IEEE 1149.1 (JTAG) interface of the
PC8641.
12.1
JTAG DC Electrical Characteristics
Table 12-1 provides the DC electrical characteristics for the JTAG interface.
Note:
1. Note that the symbol VIN, in this case, represents the OVIN symbol referenced in Table 3-1 on page 6
Table 12-2 provides the JTAG AC timing specifications as defined in Figure 12-2 on page 51 through
Table 12-1.
JTAG DC Electrical Characteristics
Parameter
Symbol(1)
Min
Max
Unit
High-level input voltage
V
IH
2OV
DD + 0.3V
V
Low-level input voltage
VIL
-0.3
0.8
V
Input current
(VIN
(1) = 0V or V
IN = VDD)
I
IN
–±5
A
High-level output voltage
(OVDD = min, IOH = -100 A)
V
OH
OV
DD - 0.2
V
Low-level output voltage
(OVDD = min, IOL = 100 A)
V
OL
–0.2
V
Table 12-2.
JTAG AC Timing Specifications (Independent of SYSCLK)
(1) (At Recommended Operating Conditions (see
Parameter
Symbol(2)
Min
Max
Unit
Notes
JTAG external clock frequency of operation
f
JTG
033.3
MHz
JTAG external clock cycle time
tJTG
30
ns
JTAG external clock pulse width measured at 1.4V
tJTKHKL
15
ns
JTAG external clock rise and fall times
t
JTGR & tJTGF
02
ns
TRST assert time
tTRST
25
ns
Input setup times:
- Boundary-scan data
- TMS, TDI
tJTDVKH
tJTIVKH
15
0
ns
Input hold times:
- Boundary-scan data
- TMS, TDI
t
JTDXKH
tJTIXKH
20
25
ns
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