msm7664 Oki Semiconductor, msm7664 Datasheet - Page 15

• Manufacturer Part Number: msm7664
• Description: Ntsc/pal Digital Video Decoder
• Manufacturer: Oki Semiconductor

SDA
SCL
¡ Semiconductor
I
I
The I
speeds, specified above. Actually, the SCL frequency is up to about 5 MHz. The hold time and
setup time in that case must conform to the ratio described in the above table.
SDA
SCL
2
2
C-bus Interface Input/Output Timing
C-bus Timing
The basic input/output timing of the I
P
2
C-bus timing conforms to this table. However, the I
Start condition
t
BFU
Symbol
t
t
t
t
t
S
HD: STA
HD: DAT
SU: DAT
SU: STO
SU: STA
t
t
S
f
t
HIGH
Data line stable: data valid
t
LOW
SCL
BUF
HD:STA
t
t
R
F
MSB
t
LOW
1
t
2
R
SCL Frequency
Bus Open Period
Start Condition Hold Time
Clock Low Period
Clock High Period
Start Condition Setup Time
Data Hold Time
Data Setup Time
Line Rise Time
Line Fall Time
Stop Condition Setup Time
t
HD:DAT
Change of data allowed
t
t
F
HIGH
7
t
Parameter
SU:DAT
2
C-bus is indicated below.
8
t
SU:STA
ACK
9
S
t
HD:STA
t
1
C_SCL
2
C-bus can operate faster than at the
2
Min.
300
250
4.7
4.0
4.7
4.0
4.7
4.7
3-8
0
t
SU:STO
P
ACK
9
Max.
100
300
1
PEDL7664-01
Stop condition
MSM7664
P
Unit
kHz
ms
ms
ms
ms
ms
ms
ms
15/76
ns
ns
ns