MCF548x ColdFire Microprocessor, Rev. 4 JTAG and Boundary Scan Timing Freescale " />
參數(shù)資料
型號: MCF5485CZP200
廠商: Freescale Semiconductor
文件頁數(shù): 21/34頁
文件大?。?/td> 0K
描述: IC MPU 32BIT COLDF 388-PBGA
標準包裝: 40
系列: MCF548x
核心處理器: Coldfire V4E
芯體尺寸: 32-位
速度: 200MHz
連通性: CAN,EBI/EMI,以太網(wǎng),I²C,SPI,UART/USART,USB
外圍設(shè)備: DMA,PWM,WDT
輸入/輸出數(shù): 99
程序存儲器類型: ROMless
RAM 容量: 32K x 8
電壓 - 電源 (Vcc/Vdd): 1.43 V ~ 1.58 V
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 388-BBGA
包裝: 托盤
MCF548x 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
50 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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