參數(shù)資料
型號: MPC8568ECVTANGGA
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 800 MHz, RISC PROCESSOR, PBGA1023
封裝: 33 X 33 MM, 2.75 MM HEIGHT, 1 MM PITCH, LEAD FREE, PLASTIC, FCBGA-1023
文件頁數(shù): 90/139頁
文件大?。?/td> 1449K
代理商: MPC8568ECVTANGGA
MPC8568E/MPC8567E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 1
54
Freescale Semiconductor
JTAG
10 JTAG
This section describes the DC and AC electrical specifications for the IEEE Std 1149.1 (JTAG) interface
of the MPC8568E.
10.1
JTAG DC Electrical Characteristics
Table provides the DC electrical specifications for the IEEE 1149.1 (JTAG) interface of the MPC8568E.
10.2
JTAG AC Electrical Characteristics
Table 45 provides the JTAG AC timing specifications as defined in Figure 31 through Figure 33.
Table 44. JTAG DC Electrical Characteristics
Parameter
Symbol
Condition
Min
Max
Unit
Output high voltage
VOH
IOH = -6.0 mA
2.4
V
Output low voltage
VOL
IOL = 6.0 mA
0.5
V
Output low voltage
VOL
IOL = 3.2 mA
0.4
V
Input high voltage
VIH
—2.5
OVDD + 0.3
V
Input low voltage
VIL
—-0.3
0.8
V
Input current
IIN
0 < VIN < OVDD
±10
uA
Table 45. JTAG AC Timing Specifications (Independent of SYSCLK) 1
At recommended operating conditions (see Table 3).
Parameter
Symbol 2
Min
Max
Unit
Notes
JTAG external clock frequency of operation
fJTG
033.3
MHz
JTAG external clock cycle time
t JTG
30
ns
JTAG external clock pulse width measured at 1.4 V
tJTKHKL
15
ns
JTAG external clock rise and fall times
tJTGR & tJTGF
02
ns
6
TRST assert time
tTRST
25
ns
3
Input setup times:
Boundary-scan data
TMS, TDI
tJTDVKH
tJTIVKH
4
0
ns
4
Input hold times:
Boundary-scan data
TMS, TDI
tJTDXKH
tJTIXKH
20
25
ns
4
Valid times:
Boundary-scan data
TDO
tJTKLDV
tJTKLOV
4
20
25
ns
5
Output hold times:
Boundary-scan data
TDO
tJTKLDX
tJTKLOX
30
ns
5
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