PI3WVR31313A Datasheet, PDF (19/27 Pages) Pericom Semiconductor Corporation – DP/HDMI 1:3 De-multiplexer switches

PI3W VR31313A
DP/HDMI 1:3 De-multiplexer switches
Parameter
HPD auto switching timing
HPD pulse duration when treated as an IRQ –t1 (Figure 4)
Propagation delay of HPDx Desertion –t2 (Figure 7)
HPD_SRC low duration when the outputs are switched –t3(Figure
5,6,7,8); Propagation delay of HPDx assertion (Figure 8)
Test Conditions Min. Typ.* Max. Unit
2
ms
50
125
200
ms
100
250 400 ms
Power down delay from HPDx de-assertion to chip power down –t4.
(Figure 9)
*Typical time can be changed by I2C Byte 0x01 bit[2:0], and Byte 0x04 bit3.
400
1000 1600 ms
I2C Address Byte
b7(MSB) b6
b5
b4
b3
b2
b1
b0 (R/W)
Address Byte 1
0
1
1
A2
A1
1
1/0*
* Read; 0:Write, A2 and A1 are two address bits setting
Data transmission format
Data is transmitted to the PI3WVR31313A registers using the Write mode as shown in Figure 1. Data is read from the PI3WVR31313A
registers using the Read mode as shown in Figure 2.
Figure 1: I2C control register write condition
S
Slave Address W A DATA A ...
DATA
A/A P
From master to slave
From slave to master
A= acknowledge ^{A= not acknowledge}
S= start condition ^{P= stop condition}
Figure 2: I2c control register read condition
S
Slave Address R A DATA A ...
DATA
A
P
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www.pericom.com 12/03/15