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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)： | 18/66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
18 of 66
9397 750 10925
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
[1]
When the SAA7893HL SAD16 interface is programmed to generate always a H_WAIT signal, the minimum time will be 2 sys_clk cycles
and the maximum time will be 3 sys_clk cycles.
8.2.4
Read mode: cycles extended using wait protocol
Table 10:
Symbol
t
tot
t
su
Timing numbers of writing registers with wait cycles
Parameter
total CSn time
set-up time from CS to host control/address
lines
hold time from CS to host control/address lines
active time of H_WAIT when Pi registers are
accessed
active time of H_WAIT when external SDRAM is
accessed
time from CS until wait becomes active
time H_WAIT inactive until CS becomes inactive
Conditions
Min
14
0
Typ
-
-
Max
-
30
Unit
sys_clk
ns
t
h
t
wt
0
3
-
8
-
11
ns
sys_clk
speed is dependent on load
on PI-bus
speed is dependent on load
on PI-bus
3
11
17
sys_clk
t
wt(st)
t
wt(en)
5
[1]
10
-
-
6
[1]
-
sys_clk
ns
Fig 12. Timing diagram of reading registers via PI-bus.
MBL636
H_CSn
H_RWn
H_A[6:1]
H_A_sel
H_DQ[15:0]
H_WAITn
ttot
tsu
th
th(D)
tset
ttri
data
undefined
Z
Z
twt(en)
twt(st)
twt
Table 11:
Symbol
t
tot
t
su
Timing numbers of reading registers via PI-bus
Parameter
total CSn time
set-up time from CS to host control/address
lines
hold time from CS to host control/address lines
active time of H_WAIT when Pi registers are
accessed
active time of H_WAIT when external SDRAM is
accessed
time from CS until wait becomes active
Conditions
Min
14
[1]
0
Typ
-
-
Max
-
30
Unit
sys_clk
ns
t
h
t
wt
0
3
-
8
-
11
ns
sys_clk
speed is dependent on load
on PI-bus
speed is dependent on load
on PI-bus
3
11
17
sys_clk
t
wt(st)
5
[2]
-
6
[2]
sys_clk
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