lnbh23qtr STMicroelectronics, lnbh23qtr Datasheet - Page 16
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lnbh23qtr
Manufacturer Part Number
lnbh23qtr
Description
Lnbs Supply And Control Ic With Step-up And I??c Interface
Manufacturer
STMicroelectronics
Datasheet
1.LNBH23QTR.pdf
(32 pages)
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7
7.1
7.2
16/32
S
Mode
Write
Read
0
MSB
0
LNBH23 software description
Interface protocol
The interface protocol comprises:
●
●
●
●
ACK = Acknowledge
S = Start
P = Stop
R/W = 1/0, Read/Write bit
X = 0/1, two selectable addresses available through ADDR pin (see Address pin
characteristics
System register (SR, 1 byte)
Write = control bits functions in write mode
Read= diagnostic bits in read mode.
All bits reset to 0 at power On
IMON
MSB
PCL
0
A start condition (S)
A chip address byte (the LSB bit determines read(=1)/write(=0) transmission)
A sequence of data (1 byte + acknowledge)
A stop condition (P)
Chip address
1
VMON
TTX
0
Table
1
10)
TMON
X
TEN
R/W ACK
LSB
LLC
LLC
MSB
VSEL
VSEL
Data
EN
EN
ITEST
OTF
LSB
ACK
LSB
AUX
OLF
P