參數(shù)資料
型號: VS1003
廠商: Electronic Theatre Controls, Inc.
元件分類: Codec
英文描述: MP3 / WMA AUDIO CODEC
中文描述: MP3播放/ WMA音頻編解碼器
文件頁數(shù): 11/57頁
文件大?。?/td> 456K
代理商: VS1003
VLSI
Solution
y
VS1003 PRELIMINARY
VS1003
4. CHARACTERISTICS&SPECIFICATIONS
4.5
Digital Characteristics
Parameter
High-Level Input Voltage
Low-Level Input Voltage
High-Level Output Voltage at I
O
= -2.0 mA
Low-Level Output Voltage at I
O
= 2.0 mA
Input Leakage Current
SPI Input Clock Frequency
2
Rise time of all output pins, load = 50 pF
Symbol
Min
Typ
Max
Unit
V
V
V
V
μ
A
MHz
ns
0
.
7
×
IOVDD
-0.2
0
.
7
×
IOVDD
IOVDD+0.3
1
0
.
3
×
IOVDD
0
.
3
×
IOVDD
1.0
CLKI
6
50
-1.0
1
Must not exceed 3.6V
2
Value for SCI reads. SCI and SDI writes allow
CLKI
4
.
4.6
Switching Characteristics - Boot Initialization
Parameter
XRESET active time
XRESET inactive to software ready
Power on reset, rise time to CVDD
Symbol
Min
2
16600
10
Max
Unit
XTALI
XTALI
V/s
50000
1
1
DREQ rises when initialization is complete. You should not send any data or commands before that.
Version 0.92,
2005-06-07
11
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