- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄68812 > 71M6543H-IGTR/F (MAXIM INTEGRATED PRODUCTS INC) SPECIALTY ANALOG CIRCUIT, PQFP100 PDF資料下載
參數(shù)資料
| 型號(hào)： | 71M6543H-IGTR/F |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 模擬信號(hào)調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PQFP100 |
| 封裝： | LEAD FREE, LQFP-100 |
| 文件頁(yè)數(shù)： | 73/157頁(yè) |
| 文件大?。?/td> | 2178K |
| 代理商： | 71M6543H-IGTR/F |
第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)第15頁(yè)第16頁(yè)第17頁(yè)第18頁(yè)第19頁(yè)第20頁(yè)第21頁(yè)第22頁(yè)第23頁(yè)第24頁(yè)第25頁(yè)第26頁(yè)第27頁(yè)第28頁(yè)第29頁(yè)第30頁(yè)第31頁(yè)第32頁(yè)第33頁(yè)第34頁(yè)第35頁(yè)第36頁(yè)第37頁(yè)第38頁(yè)第39頁(yè)第40頁(yè)第41頁(yè)第42頁(yè)第43頁(yè)第44頁(yè)第45頁(yè)第46頁(yè)第47頁(yè)第48頁(yè)第49頁(yè)第50頁(yè)第51頁(yè)第52頁(yè)第53頁(yè)第54頁(yè)第55頁(yè)第56頁(yè)第57頁(yè)第58頁(yè)第59頁(yè)第60頁(yè)第61頁(yè)第62頁(yè)第63頁(yè)第64頁(yè)第65頁(yè)第66頁(yè)第67頁(yè)第68頁(yè)第69頁(yè)第70頁(yè)第71頁(yè)第72頁(yè)當(dāng)前第73頁(yè)第74頁(yè)第75頁(yè)第76頁(yè)第77頁(yè)第78頁(yè)第79頁(yè)第80頁(yè)第81頁(yè)第82頁(yè)第83頁(yè)第84頁(yè)第85頁(yè)第86頁(yè)第87頁(yè)第88頁(yè)第89頁(yè)第90頁(yè)第91頁(yè)第92頁(yè)第93頁(yè)第94頁(yè)第95頁(yè)第96頁(yè)第97頁(yè)第98頁(yè)第99頁(yè)第100頁(yè)第101頁(yè)第102頁(yè)第103頁(yè)第104頁(yè)第105頁(yè)第106頁(yè)第107頁(yè)第108頁(yè)第109頁(yè)第110頁(yè)第111頁(yè)第112頁(yè)第113頁(yè)第114頁(yè)第115頁(yè)第116頁(yè)第117頁(yè)第118頁(yè)第119頁(yè)第120頁(yè)第121頁(yè)第122頁(yè)第123頁(yè)第124頁(yè)第125頁(yè)第126頁(yè)第127頁(yè)第128頁(yè)第129頁(yè)第130頁(yè)第131頁(yè)第132頁(yè)第133頁(yè)第134頁(yè)第135頁(yè)第136頁(yè)第137頁(yè)第138頁(yè)第139頁(yè)第140頁(yè)第141頁(yè)第142頁(yè)第143頁(yè)第144頁(yè)第145頁(yè)第146頁(yè)第147頁(yè)第148頁(yè)第149頁(yè)第150頁(yè)第151頁(yè)第152頁(yè)第153頁(yè)第154頁(yè)第155頁(yè)第156頁(yè)第157頁(yè)
71M6543F/H Data Sheet
8
22
2008-2010 MAXIM/TERIDIAN Semiconductor Corporation
v1.2
2.2.8
71M6xx3 Isolated Sensor Interface
2.2.8.1 General Description
Non-isolating sensors, such as shunt resistors, can be connected to the inputs of the 71M6543 via a
combination of a pulse transformer and a 71M6xx3 IC (a top-level block diagram of this sensor interface
is shown in Figure 31). The 71M6xx3
receives power directly from the 71M6543 via a pulse transformer
and does not require a dedicated power supply circuit. The 71M6xx3 establishes 2-way communication
with the 71M6543, supplying current samples and auxiliary information such as sensor temperature via a
serial data stream.
Up to three 71M6xx3 Isolated Sensors can be supported by the 71M6543. When a remote sensor
interface is enabled, the two analog current inputs become re-configured as a digital remote sensor
interface. For example, when control bit RMT2_E = 1, the IADC2-IADC3 analog pins are re-configured as
the digital interface pins to the remote sensor.
Each 71M6xx3 Isolated Sensor consists of the following building blocks:
Power supply that derives power from pulses received from the 71M6543
Bi-directional digital communications interface
Shunt signal pre-amplifier
22-bit 2nd Order Sigma-Delta ADC Converter with precision bandgap reference (chopping amplifier)
Temperature sensor (for digitally compensating VREF)
Fuse system containing part-specific information
During an ordinary multiplexer cycle, the 71M6543 internally determines which other channels are
enabled with MUX_DIV[3:0] (I/O RAM 0x2100[7:4]). At the same time, it decimates the modulator output
from the 71M6xx3 Isolated Sensors. Each result is written to CE RAM during one of its CE access time
slots.
2.2.8.2 Communication between 71M6543 and 71M6xx3 Isolated Sensor
The ADC of the 71M6xx3 derives its timing from the power pulses generated by the 71M6543 and as a
result, operates its ADC slaved to the frequency of the power pulses. The generation of power pulses, as well
as the communication protocol between the 71M6543 and 71M6xx3 Isolated Sensor, is automatic and
transparent to the user. Details are not covered in this data sheet.
2.2.8.3 Control of the 71M6xx3 Isolated Sensor
The 71M6543 can read or write certain types of information from each 71M6xx3 remote sensor.
The data to be read is selected by a combination of the RCMD[4:0] and TMUXRn[2:0]. To perform a read
transaction from one of the 71M6xx3 devices, the MPU first writes the TMUXRn[2:0] field (where n = 2, 4, 6,
located at I/O RAM 0x270A[2:0], 0x270A[6:4] and 0x2709[2:0], respectively). Next, the MPU writes
RCMD[4:0] (SFR 0xFC[4:0]) with the desired command and phase selection. When the RCMD[4:2] bits
have cleared to zero, the transaction has been completed and the requested data is available in
RMT_RD[15:0] (I/O RAM 0x2602[7:0] is the MSB and 0x2603[7:0] is the LSB). The read parity error bit,
PERR_RD (SFR 0xFC[6]) is also updated during the transaction. If the MPU writes to RCMD[4:0] before a
previously initiated read transaction is completed, the command is ignored. Therefore, the MPU must wait
for RCMD[4:2]=0 before proceeding to issue the next remote sensor read command.
If the CE is running (CE_E=1), the MPU must write RCMD[4:0] immediately after a CE_BUSY rising
edge. RCMD[4:0] must be written before the next rising edge of MUX_SYNC. Failure to do this can cause
incorrect data to be read.
The RCMD[4:0] field is divided into two sub-fields, COMMAND=RCMD[4:2] and PHASE=RCMD[1:0], as
shown in Table 4.
.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 71M6543F-IGTR/F | SPECIALTY ANALOG CIRCUIT, PQFP100 |
| 71M6543H-IGT/F | SPECIALTY ANALOG CIRCUIT, PQFP100 |
| 71M6543G-IGTR/F | SPECIALTY ANALOG CIRCUIT, PQFP100 |
| 71M6543GH-IGTR/F | SPECIALTY ANALOG CIRCUIT, PQFP100 |
| 71M6543GH-IGT/F | SPECIALTY ANALOG CIRCUIT, PQFP100 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 71M6543HT-IGT/F | 制造商:Maxim Integrated Products 功能描述:ENERGY METER ICS - Rail/Tube |
| 71M6543HT-IGTR/F | 制造商:Maxim Integrated Products 功能描述:3-PHASE SOC, 64KB FLASH, PRES TEMP SENSOR, HIGH PRES REF - Tape and Reel |
| 71M6545 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Four-Quadrant Metering, Phase Metrology Processors Flash/RAM Size |
| 71M6545H | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Four-Quadrant Metering, Phase Metrology Processors Flash/RAM Size |
| 71M6545HT-IGT/F | 制造商:Maxim Integrated Products 功能描述:METROLOGY PROCESSORS - Rail/Tube |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。