參數(shù)資料
型號: MAX9273GTL/V+
廠商: Maxim Integrated Products
文件頁數(shù): 22/49頁
文件大?。?/td> 0K
描述: IC SERIALIZER 22BIT GMSL 40TQFN
標(biāo)準(zhǔn)包裝: 50
系列: *
MAX9273
22-Bit GMSL Serializer with Coax or
STP Cable Drive
29
Maxim Integrated
because the slave device is the recipient. When the slave
device is transmitting to the master, the master generates
the acknowledge bit because the master is the recipient.
The device generates an acknowledge even when the
forward control channel is not active (not locked). To pre-
vent acknowledge generation when the forward control
channel is not active, set the I2CLOCACK bit low.
Slave Address
The serializer/deserializer have a 7-bit-long slave address.
The bit following a 7-bit slave address is the R/W bit,
which is low for a write command and high for a read
command. The slave address is 10000001 for read com-
mands and 10000000 for write commands. See Figure 27.
Bus Reset
The device resets the bus with the I2C START condition
for reads. When the R/W bit is set to 1, the serializer/
deserializer transmit data to the master, thus the master
is reading from the device.
Format for Writing
A write to the serializer/deserializer comprises the trans-
mission of the slave address with the R/W bit set to zero,
followed by at least one byte of information. The first
byte of information is the register address or command
byte. The register address determines which register of
the device is to be written by the next byte, if received.
If a STOP (P) condition is detected after the register
address is received, the device takes no further action
Figure 27. Slave Address
Figure 28. Format for I2C Write
Figure 29. Format for Write to Multiple Registers
SDA
0
ACK
SCL
MSB
LSB
1
0R/W
00
S
1
0
ADDRESS = 0x80
0 = WRITE
0
A
0
REGISTER ADDRESS = 0x00
0
A
P
D7
D6
D5
D4
REGISTER 0x00 WRITE DATA
D3
D2
D1
D0
A
S = START BIT
P = STOP BIT
A = ACK
D_ = DATA BIT
S = START BIT
P = STOP BIT
A = ACK
N = NACK
D_ = DATA BIT
S
1
0
ADDRESS = 0x80
0 = WRITE
0
A
0
REGISTER ADDRESS = 0x00
0
A
D7
D6
D5
D4
REGISTER 0x00 WRITE DATA
D3
D2
D1
D0
AD7
P
D6
D5
D4
REGISTER 0x01 WRITE DATA
D3
D2
D1
D0
N
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