参数资料
型号: MAS3509F
厂商: MICRONAS SEMICONDUCTOR HOLDING AG
元件分类: Codec
英文描述: MAS 35x9F MPEG Layer 2/3, AAC Audio Decoder, G.729 Annex A Codec
中文描述: 新加坡金融管理局35x9F的MPEG 2 / 3层,AAC音频解码器,G.729的附件A编解码器
文件页数: 73/92页
文件大小: 1186K
代理商: MAS3509F
DATA SHEET
MAS 35x9F
Micronas
June 30, 2004; 6251-505-1DS
73
4.6.2.2. Serial (I
2
S) Input Interface Characteristics (SDI, SDIB)
at T = T
A
, V
SUPD
, V
SUPA
= 2.2 ... 3.6 V, f
CRYSTAL
= 18.432 MHz, Typ. values for T
A
= 25
°
C in P(L/M)QFP package
Fig. 4–21:
Continuous data stream at serial input A or B. In this mode, the word strobe SI(B)I is not used and the
data are read at the falling edge of the clock (bit[2] in D0:346 is set).
Symbol
Parameter
Pin Name
Limit Values
Unit
Test Conditions
Min.
Typ.
Max.
t
SICLK
I
2
S clock input clock period
SI(B)C
325
ns
f
S
= 48 kHz Stereo,
32 bits per sample
(for demand mode see
Table 4–6)
t
SIDS
I
2
S data setup time before
rising edge of clock (for
continuous data stream:
falling edge)
SI(B)C,
SI(B)D
50
ns
t
SIDH
I
2
S data hold time
SI(B)D
50
ns
t
SIIS
I
2
S ident setup time before
rising edge of clock (for
continuous data stream:
falling edge)
SI(B)C,
SI(B)I
50
ns
t
SIIH
I
2
S ident hold time
SI(B)I
50
ns
t
bw
Burst wait time
SI(B)C, SI(B)D
480
Table 4–6:
Maximum allowed sample clock frequency in Demand Mode
f
Sample
(kHz)
f
C
(MHz)
min. t
SICLK
(ns)
48, 32
6.144
162
44.1
5.6448
177
24, 16
3.072
325
22.05
2.8224
354
12, 8
1.536
651
11.025
1.4112
708
H
L
H
L
H
L
T
SICLK
T
SIDH
T
SIDS
SI(B)C
SI(B)I
SI(B)D
相关PDF资料
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MAS3519F 制造商:MICRONAS 制造商全称:MICRONAS 功能描述:MAS 35x9F MPEG Layer 2/3, AAC Audio Decoder, G.729 Annex A Codec
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MAS3539F 制造商:MICRONAS 制造商全称:MICRONAS 功能描述:MAS 35x9F MPEG Layer 2/3, AAC Audio Decoder, G.729 Annex A Codec
MAS3549F 制造商:MICRONAS 制造商全称:MICRONAS 功能描述:MAS 35x9F MPEG Layer 2/3, AAC Audio Decoder, G.729 Annex A Codec
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