參數(shù)資料
型號: SAA7370
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: Digital servo processor and Compact Disc decoder CD7
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝: 14 X 14 MM, 2.70 MM HEIGHT, PLASTIC, MS-022, SOT-393-1, QFP-64
文件頁數(shù): 50/60頁
文件大?。?/td> 321K
代理商: SAA7370
1998 Feb 26
50
Philips Semiconductors
Product specification
Digital servo processor and
Compact Disc decoder (CD7)
SAA7370
12 OPERATING CHARACTERISTICS (MICROCONTROLLER INTERFACE TIMING)
V
DD
= 4.75 to 5.25 V; V
SS
= 0 V; T
amb
= 0 to +70
°
C; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
NORMAL MODE
LOCK-TO-DISC MODE
UNIT
MIN.
MAX.
MIN.
MAX.
Microcontroller interface timing (4-wire bus mode; writing to registers 0 to F; reading Q-channel subcode and
decoder status);
see Figs 33 and 34; note 1
I
NPUTS
SCL
AND
RAB
t
CL
t
CH
t
r
t
f
R
EAD MODE
(C
L
= 20 pF)
t
dRD
delay time RAB to SDA
valid
t
dp
propagation delay SCL
to SDA
t
dRZ
delay time RAB to SDA
high-impedance
input LOW time
input HIGH time
rise time
fall time
480/n + 20
480/n + 20
480/n
480/n
2400/n + 20
2400/n + 20
ns
ns
ns
ns
480/n
480/n
50
50
ns
720/n
20
960/n + 20
720/n + 20
4800/n + 20 ns
50
50
ns
W
RITE MODE
((C
L
= 20 pF)
t
suD
set-up time SDA to SCL
t
hD
hold time SCL to SDA
t
suCR
set-up time SCL to RAB
t
dWZ
delay time SDA
high-impedance to RAB
note 2
20
720/n
240/n + 20
0
960/n + 20
20
720/n
1200/n + 20
0
4800/n + 20 ns
ns
ns
ns
Microcontroller interface timing (4-wire bus mode; servo commands);
see Figs 35 and 36
I
NPUTS
SCL
AND
SILD
t
L
t
H
t
r
t
f
R
EAD MODE
(C
L
= 20 pF)
t
dLD
delay time SILD to SDA
valid
t
PD
propagation delay SCL
to SDA
t
dLZ
delay time SILD to SDA
high-impedance
t
sCLR
set-up time SCL to SILD
t
hCLR
hold time SILD to SCL
Input LOW time
Input HIGH time
rise time
fall time
710
710
240
240
710
710
240
240
ns
ns
ns
ns
25
25
ns
950
950
ns
50
50
ns
480
830
480
830
ns
ns
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