參數(shù)資料
型號(hào)： LNBEH21PD-TR
廠商： 意法半導(dǎo)體
英文描述： LNB SUPPLY AND CONTROL IC WITH STEP-UP CONVERTER AND IC INTERFACE
中文描述： LNB電源與控制集成電路升壓轉(zhuǎn)換器及IC的接口
文件頁(yè)數(shù)： 7/22頁(yè)
文件大小： 588K
代理商： LNBEH21PD-TR
LNBEH21
7/22
Figure 6: Acknowledge On I
2
C Bus
LNBEH21 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
TRANSMITTED DATA (I
2
C BUS WRITE MODE)
When the R/W bit in the chip address is set to 0, the main μP can write on the System Register (SR) of the
LNBEH21 via I
2
C bus. Only 6 bits out of the 8 available can be written by the μP, since the remaining 2 are
left to the diagnostic flags, and are read-only.
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
OM
R, W
LLC
R, W
VOM
R, W
EN
R
OTF
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LNBEH221PD-R 制造商:STMicroelectronics 功能描述:LNBEH221PD-R - Tape and Reel
LNBH2 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LNB SUPPLY AND CONTROL IC WITH STEP-UP CONVERTER AND I2C INTERFACE
LNBH21 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LNB SUPPLY AND CONTROL IC WITH STEP-UP CONVERTER AND I2C INTERFACE
LNBH21PD 功能描述:其他電源管理 LNB Supply/Cont IC RoHS:否 制造商:Texas Instruments 輸出電壓范圍: 輸出電流:4 mA 輸入電壓范圍:3 V to 3.6 V 輸入電流: 功率耗散: 工作溫度范圍:- 40 C to + 110 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-48 封裝:Reel
LNBH21PD-TR 功能描述:其他電源管理 LNB Supply/Cont IC RoHS:否 制造商:Texas Instruments 輸出電壓范圍: 輸出電流:4 mA 輸入電壓范圍:3 V to 3.6 V 輸入電流: 功率耗散: 工作溫度范圍:- 40 C to + 110 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-48 封裝:Reel
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