參數(shù)資料
型號(hào): MCF5470
廠商: 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述: MCF547x Integrated Microprocessor Electrical Characteristics
中文描述: MCF547x集成的微處理器,電氣特性
文件頁數(shù): 25/28頁
文件大?。?/td> 706K
代理商: MCF5470
JTAG and Boundary Scan Timing
MCF547x Integrated Microprocessor Electrical Characteristics, Rev. 2
Freescale Semiconductor
25
Table 23
lists specifications for the debug AC timing parameters shown in
Figure 24
.
Figure 23
shows real-time trace timing for the values in
Table 23
.
Figure 23. Real-Time Trace AC Timing
Figure 24
shows BDM serial port AC timing for the values in
Table 23
.
Figure 24. BDM Serial Port AC Timing
Table 23. Debug AC Timing Specification
Num
Characteristic
66 MHz
Units
Min
Max
D1
PSTDDATA to PSTCLK setup
4.5
ns
D2
PSTCLK to PSTDDATA hold
4.5
ns
D3
DSI-to-DSCLK setup
1
PSTCLKs
D4
1
NOTES:
1
DSCLK and DSI are synchronized internally. D4 is measured from the
synchronized DSCLK input relative to the rising edge of CLKOUT.
DSCLK-to-DSO hold
4
PSTCLKs
D5
DSCLK cycle time
5
PSTCLKs
PSTCLK
PSTDDATA[7:0]
D1
D2
Past
Current
DSCLK
DSI
DSO
Next
Current
D5
D3
D4
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