參數(shù)資料
型號: MPC8309CVMAHFCA
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 417 MHz, RISC PROCESSOR, PBGA489
封裝: 19 X 19 MM, 1.61 MM HEIGHT, 0.80 MM PITCH, LEAD FREE, PLASTIC, MAPBGA-489
文件頁數(shù): 44/81頁
文件大?。?/td> 484K
代理商: MPC8309CVMAHFCA
MPC8309 PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 1
Freescale Semiconductor
49
JTAG
21.2
JTAG AC Electrical Characteristics
This section describes the AC electrical specifications for the IEEE Std. 1149.1 (JTAG) interface of the
MPC8309. The following table provides the JTAG AC timing specifications as defined in Figure 40
through Figure 43.
Input high voltage
VIH
—2.0
OVDD +0.3
V
Input low voltage
VIL
—–0.3
0.8
V
Input current
IIN
0 V
VIN OVDD
—±5
A
Table 54. JTAG AC Timing Specifications (Independent of SYS_CLK_IN)1
At recommended operating conditions (see Table 2).
Parameter
Symbol2
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
11
ns
JTAG external clock rise and fall times
tJTGR, tJTGF
02
ns
TRST assert time
tTRST
25
ns
3
Input setup times:
Boundary-scan data
TMS, TDI
tJTDVKH
tJTIVKH
4
ns
4
Input hold times:
Boundary-scan data
TMS, TDI
tJTDXKH
tJTIXKH
10
ns
4
Valid times:
Boundary-scan data
TDO
tJTKLDV
tJTKLOV
2
15
ns
5
Table 53. JTAG Interface DC Electrical Characteristics (continued)
Characteristic
Symbol
Condition
Min
Max
Unit