參數(shù)資料
型號: XPC862PZP50
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 50 MHz, RISC PROCESSOR, PBGA357
封裝: PLASTIC, BGA-357
文件頁數(shù): 25/82頁
文件大?。?/td> 530K
代理商: XPC862PZP50
MOTOROLA
MPC862 Family Hardware Specications
31
Bus Signal TimingReferences
Table 7 provides interrupt timing for the MPC862.
Figure 23 provides the interrupt detection timing for the external level-sensitive lines.
Figure 23. Interrupt Detection Timing for External Level Sensitive Lines
Figure 24 provides the interrupt detection timing for the external edge-sensitive lines.
Figure 24. Interrupt Detection Timing for External Edge Sensitive Lines
Table 7. Interrupt Timing
Num
Characteristic 1
1
The timings I39 and I40 describe the testing conditions under which the IRQ
lines are tested when being dened as level sensitive. The IRQ lines are
synchronized internally and do not have to be asserted or negated with
reference to the CLKOUT.
The timings I41, I42, and I43 are specied to allow the correct function of the
IRQ lines detection circuitry, and has no direct relation with the total system
interrupt latency that the MPC862 is able to support.
All Frequencies
Unit
Min
Max
I39
IRQx valid to CLKOUT rising edge (set
up time)
6.00
ns
I40
IRQx hold time after CLKOUT
2.00
ns
I41
IRQx pulse width low
3.00
ns
I42
IRQx pulse width high
3.00
ns
I43
IRQx edge-to-edge time
4xTCLOCKOUT
CLKOUT
IRQx
I39
I40
CLKOUT
IRQx
I41
I42
I43
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