參數(shù)資料
型號: SAA7893
廠商: NXP Semiconductors N.V.
英文描述: Super audio media player
中文描述: 超級音頻媒體播放器
文件頁數(shù): 42/66頁
文件大?。?/td> 1036K
代理商: SAA7893
Philips Semiconductors
SAA7893HL
Super audio media player
Product data
Rev. 02 — 26 February 2003
42 of 66
9397 750 10925
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
Polarity of Data_req, B_WCLK, B_FLAG and B_SYNC is programmable.
Fig 39. Timing diagram for UDE interface with sync edged triggered mode.
B_BCLK
Data_req
B_WCLK
B_FLAG
B_SYNC
Be_dat(7:0)
S
S
S
E
E
E
S
S
S
S
S
S
E
S
S
S
MCE055
tsu
tsu
th
th
Table 25:
Symbol
t
clk(h)(l)
Timing in synchronous parallel mode
Parameter
HIGH/LOW time of the B_BCLK signal
Conditions
maximum clock frequency of B_BCLK
is 20 MHz
data/control must be stable during t
su
before positive slope of B_BCLK
data/control must be kept at least
during t
h
after positive slope of B_BCLK
Min
20
Max
-
Unit
ns
t
su
set-up time to rising edge of the clock
10
-
ns
t
h
hold time after rising edge of the clock
5
-
ns
t
o
output delay from the clock
2
15
ns
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