![](http://datasheet.mmic.net.cn/Maxim-Integrated-Products/MAX4814EECB-T_datasheet_98442/MAX4814EECB-T_11.png)
I2C Interface
The MAX4814E features an I2C interface using a
repeated start. The MAX4814E I2C interface refers to
the I2C bus specification (version 2.1, Jan 2000).
Device Address
The MAX4814E has selectable device addresses
through external inputs. The slave address consists of
four fixed bits (B7–B4, set to 0111) followed by three pin-
programmable bits (AD2–AD0), as shown on Table 7.
MAX4814E
DVI/HDMI 2:4 Low-Frequency Fanout Switch
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11
Table 3a. Input/Output Configurations for DA_, DB_, and DO_
PIN CONFIGURATION
MODE
DA0/DO0
DA1/DO1
DA2/DO2
DB0/DO3
DB1
DB2
0
DA0, Input
DA1, Input
DA2, Input
DB0, Input
DB1, Input
DB2, Input
1
DO0, Output
DO1, Output
DO2, Output
DO3, Output
High Impedance
Table 3b. Mode 0 Direct-Control Configurations
PIN CONNECTION
DB1
DB0
DA1
DA0
OPERATION
0
Connect A to SW0
B is high impedance
0
1
Connect A to SW1
Connect B to SW0
0
1
0
Connect A to SW2
Connect B to SW0
0
1
Connect A to SW3
Connect B to SW0
0
1
0
Connect A to SW0
Connect B to SW1
0
1
0
1
Connect A to SW1
B is high impedance
0
1
0
Connect A to SW2
Connect B to SW1
0
1
Connect A to SW3
Connect B to SW1
1
0
Connect A to SW0
Connect B to SW2
1
0
1
Connect A to SW1
Connect B to SW2
1
0
1
0
Connect A to SW2
B is high impedance
1
0
1
Connect A to SW3
Connect B to SW2
1
0
Connect A to SW0
Connect B to SW3
1
0
1
Connect A to SW1
Connect B to SW3
1
0
Connect A to SW2
Connect B to SW3
1
Connect A to SW3
B is high impedance
Note: When switch A and switch B are connected to the same SW_, switch A takes precedence and switch B is high impedance.
PIN CONNECTION
DA2
OPERATION
0
Bank A switches are disabled
1
Bank A switches are enabled. Switch A connections depend on the DA0 and DA1 inputs.
PIN CONNECTION
DB2
OPERATION
0
Bank B switches are disabled
1
Bank B switches are enabled. Switch B connections depend on the DB0 and DB1 inputs.