ISD5100 – SERIES
data line
stable;
changed
of data
data valid
allowed
Bit transfer on the I2C-Bus
Start and stop conditions
Both data and clock lines remain HIGH when the interface bus is not busy. A HIGH-to-LOW transition
of the data line while the clock is HIGH is defined as the start condition (S). A LOW-to-HIGH transition
of the data line while the clock is HIGH is defined as the stop condition (P).
SDA
SCL
SDA
SCL
START condition
STOP condition
System configuration
Definition of START and STOP conditions
A device generating a message is a ‘transmitter’; a device receiving a message is the ‘receiver’. Th
System Configuration
A device generating a message is a ‘transmitter’; a device receiving a message is the ‘receiver’. The
device that controls the message I sthe ‘master’ and the devices that are controlled by the master are
the ‘slaves’.
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