參數(shù)資料
型號: MCF54454VR266
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 266 MHz, RISC PROCESSOR, PBGA360
封裝: 23 X 23 MM, ROHS COMPLIANT, TEPBGA-360
文件頁數(shù): 37/48頁
文件大?。?/td> 945K
代理商: MCF54454VR266
MCF5445x ColdFire Microprocessor Data Sheet, Rev. 6
Electrical Characteristics
Freescale Semiconductor
42
5.20
Debug AC Timing Specifications
Table 30 lists specifications for the debug AC timing parameters shown in Figure 31 and Table 32.
Figure 31. Real-Time Trace AC Timing
Figure 32. BDM Serial Port AC Timing
Table 30. Debug AC Timing Specification
Num
Characteristic
Min
Max
Units
D0
PSTCLK cycle time
1
tSYS
D1
PSTCLK rising to PSTDDATA valid
3.0
ns
D2
PSTCLK rising to PSTDDATA invalid
1.5
ns
D3
DSI-to-DSCLK setup
1
PSTCLK
D41
1 DSCLK and DSI are synchronized internally. D4 is measured from the synchronized
DSCLK input relative to the rising edge of PSTCLK.
DSCLK-to-DSO hold
4
PSTCLK
D5
DSCLK cycle time
5
PSTCLK
D6
BKPT assertion time
1
PSTCLK
PSTDDATA[7:0]
D0
D1
D2
Past
Current
DSCLK
DSI
DSO
Next
Current
D5
D3
D4
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