ml6461 Micro Electronics Corporation, ml6461 Datasheet - Page 25

• Manufacturer Part Number: ml6461
• Description: Ntsc Video Encoder
• Manufacturer: Micro Electronics Corporation

START
S
S
DATA
CLK
S
S
START: A Falling Edge on the S
STOP: A Rising Edge on the S
DATA
CLK
t
0
SET/START
MSB
A7
1
START
A6
2
t
S
S
S
S
S
S
S
S
RISE
CLK
CLK
DATA
CLK
CLK
DATA
CLK
DATA
DATA
DATA
:
:
:
:
:
DEVICE ADDRESS
:
:
;
Figure 16. Definition of ADDRESS FORMAT on Serial Data Bus
While S
9th pulse strobes dummy bit for ACK
Rising edge enables data transfer
Value set to A6, Device Address (MSB-1)
Falling edge disables data transfer
Rising edge enables data transfer
Value set to A7, Device Address MSB
Falling edge in prep for first address transfer
Falling edge with S
While S
Figure 15. Definition of START & STOP on Serial Data Bus
A1
7
CLK
CLK
is Held High
is Held High
A0
8
All Other S
CLK
Hi means start of sequence
X
9
DATA
Transitions Must Occur While S
10
MSB
A7
A6
11
FUNCTION ADDRESS
CLK
is Low
A1
16
S
S
S
S
S
S
CLK
CLK
DATA
CLK
CLK
DATA
:
:
:
:
17
A0
:
:
9th pulse strobes dummy bit for ACK
Rising edge enables data transfer
Value set to D6, Data MSB-1
Falling edge disables data transfer
Rising edge enables data transfer
Value set to D7, Data MSB
t
FALL
18
X
ML6461
STOP
25