saa7327 NXP Semiconductors, saa7327 Datasheet - Page 57

• Manufacturer Part Number: saa7327
• Description: Digital Servo Processor And Compact Disc Decoder With Integrated Dac For Video Cd Cd7 Ii
• Manufacturer: NXP Semiconductors

Philips Semiconductors
12 OPERATING CHARACTERISTICS (MICROCONTROLLER INTERFACE TIMING)
V
2000 Jun 26
Microcontroller interface timing (4-wire bus mode; writing to decoder registers 0 to F; reading Q-channel
subcode and decoder status); see Figs 34 and 35; 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 36 and 37; notes 3 and 4
I
t
t
t
t
R
t
t
t
t
t
SYMBOL
NPUTS
CL
CH
r
f
dRD
PD
dRZ
suD
hD
suCR
dWZ
NPUTS
L
H
r
f
dLD
PD
dLZ
sCLR
hCLR
DD
EAD MODE
EAD MODE
Digital servo processor and Compact Disc
decoder with integrated DAC for video CD (CD7 II)
RITE MODE
= 3.0 to 3.6 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 note 2
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
delay time SILD to SDA
valid
propagation delay SCL
to SDA
delay time SILD to SDA
high-impedance
set-up time SCL to
SILD
hold time SILD to SCL
(C
(C
AND
AND
(C
L
L
L
= 20 pF)
= 20 pF)
PARAMETER
RAB
SILD
= 20 pF)
SS
= 0 V; T
amb
= 10 to +70 C; unless otherwise specified.
CONDITIONS
480/n + 20
480/n + 20
720/n
20
240/n + 20
0
710
710
480
830
57
MIN.
NORMAL MODE
720/n
20
480/n
480/n
50
960/n + 20
50
960/n + 20
240
240
25
950
50
MAX.
2400/n + 20
2400/n + 20
720/n + 20
20
1200/n + 20
0
710
710
480
830
LOCK-TO-DISC MODE
MIN.
720/n
480/n
480/n
50
4800/n + 20 ns
50
4800/n + 20 ns
240
240
25
950
50
Product specification
MAX.
SAA7327
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
UNIT