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參數(shù)資料
| 型號： | SAA7893HL |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費家電 |
| 英文描述： | Super audio media player |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP128 |
| 封裝： | 14 X 20 MM, 1.40 MM HEIGTH, PLASTIC, SOT-425-1, LQFP-128 |
| 文件頁數(shù)： | 35/66頁 |
| 文件大?。?/td> | 1036K |
| 代理商： | SAA7893HL |
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Philips Semiconductors
SAA7893HL
Super audio media player
Product data
Rev. 02 — 26 February 2003
35 of 66
9397 750 10925
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
8.6.3
Reading from the SAA7893HL
When the LSB is read [A(0) = logic 0], the host interface will read an Hword on the
address location A(22:1). The LSB byte is set on the output bus and the read MSB
byte is stored internally. When a read action is now started whereby the MSB byte is
selected to read [A(0) = logic 1] the stored byte is available on the output independent
on the other address bits A(22:1).
Fig 31. Timing diagram SAD08 write to SAA7893HL.
address
data
sys_clk
H_CSn
th
tsu
H_DQ[13]
H_DQ[14]
H_WAIT
H_DQ[7:0]
H_DQ[11:8]
H_A[7:0]
H_RWn
MBL641
M clock cycles
th
td(as)
td
td(ds)
Table 21:
Symbol
t
su
Timing numbers of SAD08 write
Parameter
set-up time from H_CSn, H_RWn and
H_DQ(13) to sys_clk
hold time from clk to H_CSn, H_RWn
and H_DQ(13)
delay from H_CSn to negative slope of
H_DQ(13)
delay from H_CSn to negative slope of
H_DQ(14) and data
number of clock cycles
Conditions
Min
5
Max
-
Unit
ns
t
h
5
-
ns
t
d(as)
-
1
sys_clk
t
d(ds)
-
2
sys_clk
M
dependent on access type and traffic
on PI-bus
4
15
sys_clk
t
d
delay from clk to DSACKn
2
12
ns
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