參數資料
型號: SAA7325
廠商: NXP Semiconductors N.V.
英文描述: Digital servo processor and Compact Disc decoder with integrated DAC (CD10 II)(具有綜合數模轉換器(DAC)的數字伺服處理器和光盤譯碼器)
中文描述: 數字伺服處理器和光盤解碼器集成了援會(CD10型二)(具有綜合數模轉換器(DAC)的的數字伺服處理器和光盤譯碼器)
文件頁數: 57/68頁
文件大?。?/td> 281K
代理商: SAA7325
2000 Jun 26
57
Philips Semiconductors
Product specification
Digital servo processor and Compact Disc
decoder with integrated DAC (CD10 II)
SAA7325
Notes
1.
Inlock-to-discmode,themaximumdatarateislowerwhenwritingtodecoderregisters0 to F,andreadingQ-channel
subcode and decoder status.
Negative set-up time means that the data may change after clock transition.
If a 16.9344 MHz crystal is used and SELPLL = 0 then the timings are divided-by-2 until the microcontroller has
written X1XX to register B.
2.
3.
W
RITE MODE
(C
L
= 20 pF)
t
sD
set-up time SDA to SCL
t
hD
hold time SCL to SDA
t
sCL
set-up time SCL to SILD
t
hCL
hold time SILD to SCL
t
dPLP
delay between two SILD
pulses
t
dWZ
delay time SDA
high-impedance to SILD
0
950
480
120
70
0
950
480
120
70
ns
ns
ns
ns
μ
s
0
0
ns
SYMBOL
PARAMETER
CONDITIONS
NORMAL MODE
LOCK-TO-DISC MODE
UNIT
MIN.
MAX.
MIN.
MAX.
Fig.34 4-wire bus microcontroller timing; read mode (Q-channel subcode and decoder status information).
SDA (SAA7325)
high-impedance
SCL
RAB
tr
tr
0.8 V
tf
tf
VDD
0.8 V
VDD
0.8 V
0.8 V
VDD
0.8 V
0.8 V
tPD
tCL
tCH
tdRD
tdRZ
MGL691
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