isd5100 Winbond Electronics Corp America, isd5100 Datasheet - Page 70

• Manufacturer Part Number: isd5100
• Description: Single-chip 1 To 16 Minutes Duration Voice Record/playback Devices With Digital Storage Capability
• Manufacturer: Winbond Electronics Corp America

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).
System configuration
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’.
SDA
SCL
SDA
SCL
START condition
S
Definition of START and STOP conditions
data valid
data line
stable;
Bit transfer on the I
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changed
allowed
of data
2
C-Bus
ISD5100 SERIES
STOP condition
P
SDA
SCL