參數(shù)資料
型號: SAA2520GP
廠商: NXP SEMICONDUCTORS
元件分類: 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
文件頁數(shù): 18/36頁
文件大?。?/td> 151K
代理商: SAA2520GP
August 1993
18
Philips Semiconductors
Preliminary specification
Stereo filter and codec for MPEG layer 1
audio applications
SAA2520
Fig.15 Sub-band I
2
S interface timing (master mode - SBCL, SBWS and SBDA are output).
MEA645 - 2
tmL
tmH
Tsc
tcL
tcH
SBMCLK
SBCL
SBWS
SBDA
td2
td1
Ts
Notes to Fig.15
T
t
mH
t
mL
T
c
SBMCLK cycle time
SBMCLK HIGH time
SBMCLK LOW time
SBCL cycle time (384 kB/s)
SBCL cycle time (256 kB/s)
SBCL cycle time (192 kB/s)
SBCL cycle time (128 kB/s)
SBCL HIGH time (384 kB/s)
SBCL HIGH time (256 kB/s)
SBCL HIGH time (192 kB/s)
SBCL HIGH time (128 kB/s)
SBCL LOW time (384 kB/s)
SBCL LOW time (256 k/Bs)
SBCL LOW time (192 kB/s)
SBCL LOW time (128 kB/s)
SBWS, SBDA hold to SBCL LOW
SBCL LOW to SBWS, SBDA valid
120 to 205 ns (163 ns nominal)
35 ns
75 ns
8T ns nominal
12T ns nominal
16T ns nominal
24T ns nominal
4T - 20 ns
6T - 20 ns
8T - 20 ns
12T - 20 ns
4T - 20 ns
6T - 20 ns
8T - 20 ns
12T - 20 ns
20 ns
20 ns
t
CH
t
CL
t
D1
t
D2
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