參數(shù)資料
型號(hào): LNBH21PD-TR
廠商: 意法半導(dǎo)體
英文描述: LNB SUPPLY AND CONTROL IC WITH STEP-UP CONVERTER AND I2C INTERFACE
中文描述: LNB電源與控制集成電路升壓轉(zhuǎn)換器和I2C接口
文件頁(yè)數(shù): 7/20頁(yè)
文件大?。?/td> 493K
代理商: LNBH21PD-TR
LNBH21
7/20
Figure 2 :
TIMING DIAGRAM ON I
2
C BUS
Figure 3 :
ACKNOWLEDGE ON I
2
C BUS
LNBH21 SOFTWARE DESCRIPTION
INTERFACE PROTOCOL
The interface protocol comprises:
- A start condition (S)
- A chip address byte = hex 10 / 11 (the LSB bit determines read(=1)/write(=0) transmission)
- A sequence of data (1 byte + acknowledge)
- A stop condition (P)
ACK= Acknowledge; S = Start ; P = Stop; R/W = Read/Write
SYSTEM REGISTER (SR, 1 BYTE)
R,W = read and write bit; R = Read-only bit
All bits reset to 0 at Power-On
CHIP ADDRESS
DATA
MSB
0
LSB
R/W ACK
MSB
LSB
S
0
0
1
0
0
0
ACK
P
MSB
R, W
PCL
LSB
R
OLF
R, W
TTX
R, W
TEN
R, W
LLC
R, W
VSEL
R, W
EN
R
OTF
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