MCF5480 Freescale Semiconductor, Inc, MCF5480 Datasheet - Page 28

• Manufacturer Part Number: MCF5480
• Description: Mcf548x Coldfire Microprocessor
• Manufacturer: Freescale Semiconductor, Inc

JTAG and Boundary Scan Timing
Table 23
Figure 28
Figure 29
28
lists specifications for the debug AC timing parameters shown in
shows real-time trace timing for the values in
shows BDM serial port AC timing for the values in
DSCLK
DSO
DSI
PSTDDATA[7:0]
1
DSCLK and DSI are synchronized internally. D4 is measured from the
synchronized DSCLK input relative to the rising edge of CLKOUT.
D3
Num
D4
D1
D2
D3
D5
PSTCLK
1
PSTDDATA to PSTCLK setup
PSTCLK to PSTDDATA hold
DSI-to-DSCLK setup
DSCLK-to-DSO hold
DSCLK cycle time
Table 23. Debug AC Timing Specifications
MCF548x ColdFire
Figure 28. Real-Time Trace AC Timing
Figure 29. BDM Serial Port AC Timing
Characteristic
Current
Past
Table
D4
®
D1
D5
Microprocessor, Rev. 4
Table
23.
23.
Min
4.5
4.5
1
4
5
50 MHz
Figure
D2
Max
—
—
—
—
—
29.
PSTCLKs
PSTCLKs
PSTCLKs
Units
ns
ns
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Current
Freescale Semiconductor