参数资料
型号: TWR-MPC8309
厂商: Freescale Semiconductor
文件页数: 49/81页
文件大小: 0K
描述: TOWER SYSTEM MODULE MPC8309
设计资源: TWR-MPC8309 Schematic
标准包装: 1
系列: PowerQUICC II™ PRO
类型: MPU
适用于相关产品: Freescale 电源塔系统
所含物品: 板,线缆
JTAG
Table 53. JTAG interface DC electrical characteristics (continued)
Characteristic
Input high voltage
Input low voltage
Input current
Symbol
V IH
V IL
I IN
Condition
0 V ≤ V IN ≤ OV DD
Min
2.0
–0.3
Max
OV DD + 0.3
0.8
±5
Unit
V
V
μ A
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 .
Table 54. JTAG AC timing specifications (independent of SYS_CLK_IN) 1
At recommended operating conditions (see Table 2 ).
Parameter
JTAG external clock frequency of operation
JTAG external clock cycle time
JTAG external clock pulse width measured at 1.4 V
JTAG external clock rise and fall times
TRST assert time
Symbol 2
f JTG
t JTG
t JTKHKL
t JTGR , t JTGF
t TRST
Min
0
30
11
0
25
Max
33.3
2
Unit
MHz
ns
ns
ns
ns
Notes
3
Input setup times:
ns
Boundary-scan data
TMS, TDI
t JTDVKH
t JTIVKH
4
4
4
Input hold times:
ns
Boundary-scan data
TMS, TDI
t JTDXKH
t JTIXKH
10
10
4
Valid times:
ns
Boundary-scan data
TDO
t JTKLDV
t JTKLOV
2
2
15
15
5
MPC8309 PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 3
Freescale Semiconductor
49
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