參數(shù)資料
型號: MC56F8355MFG60
廠商: MOTOROLA 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: LQFP-128
文件頁數(shù): 34/152頁
文件大?。?/td> 2224K
代理商: MC56F8355MFG60
Crystal Oscillator Timing
56F8355 Technical Data
129
Preliminary
10.8 Crystal Oscillator Timing
10.9 Reset, Stop, Wait, Mode Select, and Interrupt Timing
Table 10-15 Crystal Oscillator Parameters
Characteristic
Symbol
Min
Typ
Max
Unit
Crystal Start-up time
TCS
45
10
ms
Resonator Start-up time
TRS
0.1
0.18
1
ms
Crystal ESR
RESR
——
120
ohms
Crystal Peak-to-Peak Jitter
TD
70
250
ps
Crystal Min-Max Period Variation
TPV
0.12
1.5
ns
Resonator Peak-to-Peak Jitter
TRJ
——
300
ps
Resonator Min-Max Period Variation
TRP
——
300
ps
Bias Current, high-drive mode
IBIASH
—250
290
A
Bias Current, low-drive mode
IBIASL
—80
110
A
Quiescent Current, power-down mode
IPD
—0
1
A
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
18
ns
tIG - FAST
14
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
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