參數(shù)資料
型號: DSPB56367AG150
廠商: Freescale Semiconductor
文件頁數(shù): 25/100頁
文件大?。?/td> 0K
描述: IC DSP 24BIT 150MHZ 144-LQFP
標準包裝: 60
系列: DSP56K/Symphony
類型: 音頻處理器
接口: 主機接口,I²C,SAI,SPI
時鐘速率: 150MHz
非易失內(nèi)存: ROM(240 kB)
芯片上RAM: 69kB
電壓 - 輸入/輸出: 3.30V
電壓 - 核心: 1.80V
工作溫度: -40°C ~ 95°C
安裝類型: 表面貼裝
封裝/外殼: 144-LQFP
供應(yīng)商設(shè)備封裝: 144-LQFP(20x20)
包裝: 托盤
Phase Lock Loop (PLL) Characteristics
DSP56367 Technical Data, Rev. 2.1
3-6
Freescale Semiconductor
3.8
Phase Lock Loop (PLL) Characteristics
4
EXTAL cycle time2
With PLL disabled
With PLL enabled
ETC
6.7 ns
273.1
s
7
Instruction cycle time = ICYC = TC
4
With PLL disabled
With PLL enabled
ICYC
13.33 ns
6.67 ns
8.53
s
1 Measured at 50% of the input transition.
2 The maximum value for PLL enabled is given for minimum V
CO and maximum MF.
3 The indicated duty cycle is for the specified maximum frequency for which a part is rated. The minimum clock high or low time
required for correct operation, however, remains the same at lower operating frequencies; therefore, when a lower clock
frequency is used, the signal symmetry may vary from the specified duty cycle as long as the minimum high time and low time
requirements are met.
4 The maximum value for PLL enabled is given for minimum V
CO and maximum DF.
Table 3-6 PLL Characteristics
Characteristics
Min
Max
Unit
VCO frequency when PLL enabled (MF × Ef × 2/PDF)
30
300
MHz
PLL external capacitor (PCAP pin to VCCP) (CPCAP
1)
@ MF
≤ 4
@ MF > 4
1 C
PCAP is the value of the PLL capacitor (connected between the PCAP pin and VCCP). The recommended value in pF for
CPCAP can be computed from one of the following equations:
(MF x 680)-120, for MF
≤ 4, or
MF x 1100, for MF > 4.
(MF
× 580) 100
MF
× 830
(MF
× 780) 140
MF
× 1470
pF
Table 3-5 Clock Operation (continued)
No.
Characteristics
Symbol
Min
Max
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