參數(shù)資料
型號: MC56F8355VFGE
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 數(shù)字信號處理
英文描述: 4-BIT, 120 MHz, OTHER DSP, PQFP128
封裝: ROHS COMPLIANT, PLASTIC, LQFP-128
文件頁數(shù): 49/172頁
文件大小: 844K
代理商: MC56F8355VFGE
56F8355 Technical Data, Rev. 17
142
Freescale Semiconductor
Preliminary
10.8 Reset, Stop, Wait, Mode Select, and Interrupt Timing
Figure 10-5 Asynchronous Reset Timing
Bias Current, high-drive mode
IBIASH
—250
290
μA
Bias Current, low-drive mode
IBIASL
—80
110
μA
Quiescent Current, power-down mode
IPD
—0
1
μA
Table 10-16 Reset, Stop, Wait, Mode Select, and Interrupt Timing1,2
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.
Characteristic
Symbol
Typical
Min
Typical
Max
Unit
See Figure
Minimum RESET Assertion Duration
tRA
16T
ns
Edge-sensitive Interrupt Request Width
tIRW
1.5T
ns
IRQA, IRQB Assertion to General Purpose
Output Valid, caused by first instruction
execution in the interrupt service routine
tIG
18T
ns
tIG - FAST
14T
IRQA Width Assertion to Recover from Stop
State3
3. The interrupt instruction fetch is visible on the pins only in Mode 3.
tIW
1.5T
ns
Table 10-15 Crystal Oscillator Parameters
Characteristic
Symbol
Min
Typ
Max
Unit
First Fetch
tRA
tRAZ
tRDA
A0–A15,
D0–D15
RESET
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