TDA8752B Datasheet, PDF (21/36 Pages) NXP Semiconductors – Triple high-speed Analog-to-Digital Converter 110 Msps ADC

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3-wire protocol
For the 3-wire serial bus the first byte refers to the register address which is programmed. The second byte refers to the data to be sent to the chosen
register (see Table 1). The acquisition is achieved via SEN.
Using the 3-wire interface, an indefinite number of ICs can operate on the same system. Pin SEN is used to validate the circuits.
SEN
SCL
SDA
tr3W = 600 ns
1
91
9
ts3W = 100 ns
th3W = 100 ns
X X X X A3 A2 A1 A0 X D7 D6 D5 D4 D3 D2 D1 D0 X
100 ns
FCE474
Fig.10 3-wire serial bus protocol.