參數(shù)資料
型號(hào): MCF5475ZP266
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 266.66 MHz, RISC PROCESSOR, PBGA388
封裝: 27 X 27 MM, MS-034AAL-1, PBGA-388
文件頁數(shù): 21/34頁
文件大小: 600K
代理商: MCF5475ZP266
MCF547x ColdFire Microprocessor, Rev. 4
JTAG and Boundary Scan Timing
Freescale Semiconductor
28
Table 23 lists specifications for the debug AC timing parameters shown in Figure 29.
Figure 28 shows real-time trace timing for the values in Table 23.
Figure 28. Real-Time Trace AC Timing
Figure 29 shows BDM serial port AC timing for the values in Table 23.
Figure 29. BDM Serial Port AC Timing
Table 23. Debug AC Timing Specifications
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
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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