saa7372 NXP Semiconductors, saa7372 Datasheet - Page 51

• Manufacturer Part Number: saa7372
• Description: Digital Servo Processor And Compact Disc Decoder Cd7
• Manufacturer: NXP Semiconductors

Philips Semiconductors
12 OPERATING CHARACTERISTICS (MICROCONTROLLER INTERFACE TIMING)
V
1998 Feb 26
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
t
t
t
t
R
t
t
t
W
t
t
t
t
Microcontroller interface timing (4-wire bus mode; servo commands); see Figs 35 and 36
I
t
t
t
t
SYMBOL
NPUTS
CL
CH
r
f
dRD
PD
dRZ
suD
hD
suCR
dWZ
NPUTS
L
H
r
f
DD
EAD MODE
Digital servo processor and Compact Disc
decoder (CD7)
RITE MODE
= 3.4 to 5.5 V; V
SCL
SCL
input LOW time
input HIGH time
rise time
fall time
delay time RAB to SDA
valid
propagation delay
SCL to SDA
delay time RAB to SDA
high-impedance
set-up time SDA to
SCL
hold time SCL to SDA
set-up time SCL to
RAB
delay time SDA
high-impedance to
RAB
input LOW time
input HIGH time
rise time
fall time
(C
AND
AND
((C
L
= 20 pF)
L
PARAMETER
RAB
SILD
= 20 pF)
SS
= 0 V; T
amb
= 10 to +70 C; unless otherwise specified.
note 2
CONDITIONS
480/n + 20
480/n + 20
720/n
20
240/n + 20
0
710
710
51
MIN.
NORMAL MODE
720/n
20
480/n
480/n
50
960/n + 20
50
960/n + 20
240
240
MAX.
2400/n + 20
2400/n + 20
720/n + 20
-
1200/n + 20
0
710
710
20
LOCK-TO-DISC MODE
MIN.
720/n
480/n
480/n
50
4800/n + 20 ns
50
4800/n + 20 ns
240
240
Product specification
MAX.
SAA7372
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
UNIT