参数资料
型号: MPC8240LZU200X
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 200 MHz, RISC PROCESSOR, PBGA352
封装: 35 X 35 MM, 1.65 MM HEIGHT, 1.27 MM PITCH, TBGA-352
文件页数: 17/58页
文件大小: 596K
代理商: MPC8240LZU200X
24
MPC8240 Integrated Processor Hardware Specications
Electrical and Thermal Characteristics
1.4.2.7 IEEE 1149.1 (JTAG) AC Timing Specications
Table 15 provides the JTAG AC timing specications for the MPC8240 while in the JTAG operating mode.
Notes:
1
TRST is an asynchronous signal. The setup time is for test purposes only.
2
Non-test (other than TDI and TMS) signal input timing with respect to TCK.
3
Non-test (other than TDO) signal output timing with respect to TCK.
4
Timings are independent of the system clock (PCI_SYNC_IN).
.
Figure 17. JTAG Clock Input Timing Diagram
Table 15. JTAG AC Timing Specification (Independent of PCI_SYNC_IN)
At recommended operating conditions (see Table 2) with LVdd = 3.3 V ± 0.3 V
Num
Characteristic4
Min
Max
Unit
Notes
TCK frequency of operation
0
25
MHz
1
TCK cycle time
40
ns
2
TCK clock pulse width measured at 1.5 V
20
ns
3
TCK rise and fall times
03
ns
4
TRST_ setup time to tck falling edge
10
ns
1
5
TRST_ assert time
10
ns
6
Input data setup time
5
ns
2
7
Input data hold time
15
ns
2
8
TCK to output data valid
030
ns
3
9
TCK to output high impedance
030
ns
3
10
TMS, TDI data setup time
5—
ns
11
TMS, TDI data hold time
15
ns
12
TCK to TDO data valid
015
ns
13
TCK to TDO high impedance
015
ns
TCK
2
1
VM
3
VM = Midpoint Voltage
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