mpc8245ec Freescale Semiconductor, Inc, mpc8245ec Datasheet - Page 30

• Manufacturer Part Number: mpc8245ec
• Description: Mpc8245 Integrated Host Processor
• Manufacturer: Freescale Semiconductor, Inc

Electrical and Thermal Characteristics
Figure 20
30
Notes:
1. TRST is an asynchronous signal. The setup time is for test purposes only.
2. Nontest (other than TDI and TMS) signal input timing with respect to TCK.
3. Nontest (other than TDO) signal output timing with respect to TCK.
Num
11
12
13
TMS, TDI data hold time
TCK to TDO data valid
TCK to TDO high impedance
through
Table 15. JTAG AC Timing Specification (Independent of PCI_SYNC_IN) (continued)
Data Outputs
Data Outputs
Data Inputs
TRST
TCK
TCK
Figure 23
TCK
MPC8245 Integrated Processor Hardware Specifications, Rev. 10
3
Figure 22. JTAG Boundary Scan Timing Diagram
show the different timing diagrams.
Characteristic
Figure 20. JTAG Clock Input Timing Diagram
Figure 21. JTAG TRST Timing Diagram
VM = Midpoint Voltage
3
5
8
9
VM
2
4
1
Input Data Valid
VM
6
Min
Output Data Valid
15
0
0
2
7
Max
15
15
—
VM
Freescale Semiconductor
Unit
ns
ns
ns
Notes