参数资料
型号: CS48DV2B-DQZR
厂商: Cirrus Logic Inc
文件页数: 4/26页
文件大小: 0K
描述: IC DSP AUDIO 32BIT 2CH 48-LQFP
标准包装: 2,000
系列: CS48DV2
类型: 定点
接口: I²C,SPI
时钟速率: 150MHz
电压 - 输入/输出: 3.30V
电压 - 核心: 1.80V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-LQFP
供应商设备封装: 48-LQFP(7x7)
包装: 带卷 (TR)
CS48DV2B Data Sheet
32-bit Audio DSP for Dedicated Dolby Volume and Audistry by Dolby
12
Copyright 2009 Cirrus Logic
DS875F2
CONFIDENTIAL
CONFIDENTI
A
L
DRA
FT
D
ELPHI
5.6 Switching Characteristics— RESET
Figure 1. RESET Timing
5.7 Switching Characteristics — XTI
Figure 2. XTI Timing
Parameter
Symbol
Min
Max
Unit
RESET minimum pulse width low
Trstl
1-
ms
All bidirectional pins high-Z after RESET low
Trst2z
-100
ns
Configuration pins setup before RESET high
Trstsu
50
-
ns
Configuration pins hold after RESET high
Trsthld
20
-
ns
Parameter
Symbol
Min
Max
Unit
External Crystal operating frequency1
1. Part characterized with the following crystal frequency values: 11.2896, 12.288, 18.432, 24.576, & 27 MH.z
Fxtal
11.2896
27
MHz
XTI period
Tclki
33.3
100
ns
XTI high time
Tclkih
13.3
-
ns
XTI low time
Tclkil
13.3
-
ns
External Crystal Load Capacitance (parallel resonant)2
2. CL refers to the total load capacitance as specified by the crystal manufacturer. Crystals that require a CL outside this range should
be avoided. The crystal oscillator circuit design should follow the crystal manufacturer’s recommendation for load capacitor
selection.
CL
10
18
pF
External Crystal Equivalent Series Resistance
ESR
50
Ω
RESET
Trst2z
Trstl
Trstsu Trsthld
HS[3:0]
All Bidirectional
Pins
t clkih
t clkil
Tclki
XTI
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