mcf54455 Freescale Semiconductor, Inc, mcf54455 Datasheet - Page 43

• Manufacturer Part Number: mcf54455
• Description: 32-bit Microprocessor With Usb On-the-go, Ethernet, Pci, Ddr2/ddr Controller And Encryption
• Manufacturer: Freescale Semiconductor, Inc

5.20
Table 30
Freescale Semiconductor
lists specifications for the debug AC timing parameters shown in
Debug AC Timing Specifications
DSCLK
DSO
DSI
1
PSTDDATA[7:0]
DSCLK and DSI are synchronized internally. D4 is measured from the synchronized
Num
DSCLK input relative to the rising edge of PSTCLK.
D4
D0
D1
D2
D3
D5
D6
1
PSTCLK
D3
PSTCLK cycle time
PSTCLK rising to PSTDDATA valid
PSTCLK rising to PSTDDATA invalid
DSI-to-DSCLK setup
DSCLK-to-DSO hold
DSCLK cycle time
BKPT assertion time
MCF5445x ColdFire
Table 30. Debug AC Timing Specification
Characteristic
Figure 31. Real-Time Trace AC Timing
Figure 32. BDM Serial Port AC Timing
Current
D1
®
Past
Microprocessor Data Sheet, Rev. 0
D4
D5
D0
Min
1.5
—
1
1
4
5
1
Figure 31
D2
Max
3.0
and
—
—
—
—
—
1
Table
32.
Next
PSTCLK
PSTCLK
PSTCLK
PSTCLK
Current
Units
t
SYS
ns
ns
Electrical Characteristics
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