參數(shù)資料
型號: MC56F8156VFVE
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 數(shù)字信號處理
英文描述: 16-BIT, 120 MHz, OTHER DSP, PQFP144
封裝: ROHS COMPLIANT, LQFP-144
文件頁數(shù): 59/178頁
文件大小: 910K
代理商: MC56F8156VFVE
Reset, Stop, Wait, Mode Select, and Interrupt Timing
56F8356 Technical Data, Rev. 13
Freescale Semiconductor
151
Preliminary
Figure 10-5 Asynchronous Reset Timing
Figure 10-6 External Interrupt Timing (Negative Edge-Sensitive)
IRQA Width Assertion to Recover from Stop
State5
tIW
1.5T
ns
1. In the formulas, T = clock cycle. For an operating frequency of 60MHz, T = 16.67ns. At 8MHz (used during Reset and
Stop modes), T = 125ns.
2. Parameters listed are guaranteed by design.
3. During Power-On Reset, it is possible to use the device’s internal reset stretching circuitry to extend this period to 221T.
4. The minimum is specified for the duration of an edge-sensitive IRQA interrupt required to recover from the Stop state.
This is not the minimum required so that the IRQA interrupt is accepted.
5. The interrupt instruction fetch is visible on the pins only in Mode 3.
Table 10-17 Reset, Stop, Wait, Mode Select, and Interrupt Timing1,2 (Continued)
Characteristic
Symbol
Typical
Min
Typical
Max
Unit
See Figure
First Fetch
tRA
tRAZ
tRDA
A0–A15,
D0–D15
RESET
IRQA,
IRQB
tIRW
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