3-Wire Serial Bus Protocol - Philips Triple high-speed Analog-to-Digital Converter 110 Msps TDA8752B Specification

9.3 3-wire serial bus 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
Using the 3-wire serial bus interface, an indefinite number of ICs can operate on the same system. Pin SEN is used to
validate the circuits.
SEN
1
SCL
SDA X
Fig 10. 3-wire serial bus protocol.
t r3W = 600 ns
t s3W = 100 ns
X X X A3 A2 A1 A0
Table 4). The acquisition is achieved via SEN.
9 1
t h3W = 100 ns
X D7 D6 D5 D4 D3 D2
100 ns
9
D1 D0 X
FCE474