AN2546FH-A Panasonic Corporation of North America, AN2546FH-A Datasheet - Page 22

• Manufacturer Part Number: AN2546FH-A
• Description: Automotive Lcd Tv Signal Processor Ic
• Manufacturer: Panasonic Corporation of North America

AN2546FH-A
I Technical Data (continued)
22
1. Serial interface description (continued)
1) I
SCLK clock frequency
Bus free-time for stop condition and start condition
Hold time start condition
SCLK clock low-state hold time
SCLK clock high-state hold time
Data hold time
Data setup time
S-data and SCLK signal rise time
S-data and SCLK signal fall time
Stop condition setup time
(3) Subaddress transfer
(4) Data transfer
(5) Stop condition
(6) Pulse timing
Pin 48
S-data
Pin 47
SCLK
Pin 48
S-data
Pin 47
SCLK
2
C bus control mode (continued)
Slave address transfer
Pin 48
S-data
Pin 47
SCLK
regarded as the data block.
When a data transfer mode bit is 0, all the serial data columns transferred until a stop condition is set is
When S-data changes from low level to high level at SCLK = high level, data reception is halted.
Timing chart expanded diagram
8
8
9
9
Parameter
Data transfer mode bit
"1": Data update mode
"0": Auto increment mode
D7
D7
t
1
1
BUF
D6
D6
2
2
t
HDSTA
D5
D5
3
3
t
LOW
SDB00081BEB
t
D4
D4
4
4
r
t
HDDAT
D3
D3
5
5
t
HIGH
D2
D2
6
6
Symbol
Acknowledge bit
t
t
t
t
HDDAT
HDSTA
t
SUDAT
SUSTO
t
t
t
HIGH
LOW
BUF
SCL
t
t
t
D1
D1
7
7
f
r
f
At auto increment mode: Data transfer
At data update mode: Stop condition
t
SUDAT
D0
D0
8
8
t
Min
100
1.3
0.6
1.3
0.6
0.6
SUSTO


Acknowledge bit
0
0
9
9
Typ










Data transfer
1
1
Max
400
300
300







2
2
Unit
kHz
µs
µs
µs
µs
µs
µs
ns
ns
ns