MAX13326 Maxim Integrated Products, MAX13326 Datasheet - Page 16
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MAX13326
Manufacturer Part Number
MAX13326
Description
Dual Automotive Audio Line Drivers
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX13326.pdf
(20 pages)
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Dual Automotive, Audio Line Drivers
with I
Writing to the MAX13325/MAX13326 using I
that first the master sends a START (S) condition fol-
lowed by the device’s I
the master sends the register address of the register
that is to be programmed. The master then ends com-
munication by issuing a STOP (P) condition to relinquish
control of the bus, or a Repeated START (Sr) condition to
communicate to another I
Each SCL rising edge transfers one data bit. The data
on SDA must remain stable during the high portion of the
SCL clock pulse (see Figure 2). Changes in SDA while
SCL is high are read as control signals (see the START
and STOP Conditions section). When the serial interface
is inactive, SDA and SCL idle high.
Figure 1. I
Figure 2. Bit Transfer
16
SDA
SCL
_____________________________________________________________________________________
SDA
SCL
2
t
F
C Timing
DATA VALID
DATA LINE
S
STABLE;
2
Applications Information
C Control and Diagnostic
t
HD,STA
t
LOW
DATA ALLOWED
CHANGE OF
2
C address. After the address,
2
C slave (see Figure 1).
t
LOW
t
HD,DAT
t
SU,DAT
Serial Interface
t
HIGH
Bit Transfer
2
C requires
t
F
t
SU,STA
S
Figure 3. START/STOP Conditions
A master device initiates communication by issuing
a START condition, which is a high-to-low transition
on SDA with SCL high. A START condition from the
master signals the beginning of a transmission to the
MAX13325/MAX13326. The master terminates transmis-
sion by a STOP condition (see the Acknowledge Bit
section). A STOP condition is a low-to-high transition
on SDA while SCL is high (Figure 3). The STOP condi-
tion frees the bus. If a Repeated START condition is
generated instead of a STOP condition, the bus remains
active. When a STOP condition or incorrect slave ID is
detected, the device internally disconnects SCL from the
serial interface until the next START or Repeated START
condition, minimizing digital noise and feedthrough.
r
SDA
SCL
CONDITION
START
t
HD,STA
t
SP
t
SU,STO
START and STOP Conditions
t
R
P
www.DataSheet4U.com
t
BUF
S
CONDITION
STOP