參數(shù)資料
型號(hào): SAA2520GP
廠商: NXP SEMICONDUCTORS
元件分類(lèi): 消費(fèi)家電
英文描述: Stereo filter and codec for MPEG layer 1 audio applications
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP44
封裝: 14 X 14 X 2.20 MM, PLASTIC, QFP-44
文件頁(yè)數(shù): 15/36頁(yè)
文件大小: 151K
代理商: SAA2520GP
August 1993
15
Philips Semiconductors
Preliminary specification
Stereo filter and codec for MPEG layer 1
audio applications
SAA2520
Fig.13 Mode switch timing.
MEA646 - 1
FDIR
SDA
FDAF
FDAC
td3
td2
SYNCDAI
FRESET
td0
tsH
td1
HIGH Z
td4
HIGH Z
td6
HIGH Z
HIGH Z
td7
FDAF
FDAC
HIGH Z
SWS
FS256
SCL
td8
td9
SWS
FS256
SCL
HIGH Z
td5
SDA
Notes to Fig.13
t
DO
t
SH
t
D1
t
D2
t
D3
t
D4
FRESET HIGH to SYNCDAI HIGH
SYNCDAI HIGH time
SYNCDAI LOW to FRESET LOW
FDIR hold to FRESET HIGH
FRESET HIGH to FDIR valid
SDA change to high impedance
after FRESET HIGH
300 ns
1280 ns
790 ns
20 ns
20 ns
0 ns
170 ns
t
D5
SDA remains high impedance
after FRESET LOW
0 ns
170 ns
t
D6
FDAF, FDAC change to high impedance
after FRESET HIGH
FDAF, FDAC remain high impedance
20 ns
t
D7
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