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参数资料
| 型号： | 71M6511H-IGT/F |
| 厂商： | Maxim Integrated |
| 文件页数： | 43/98页 |
| 文件大小： | 0K |
| 描述： | IC ENERGY METER RESIDENT 64-LQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 160 |
| 系列： | * |
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71M6511/71M6511H
Single-Phase Energy Meter IC
A Maxim Integrated Products Brand
DATA SHEET
NOVEMBER 2010
V1
V3P3
V3P3-10mV
WDT dis-
abled
V3P3 -
400mV
Normal
operation,
WDT
enabled
when
VBIAS
(V1 < VBIAS)
the battery is
Note: Clock stretching and multi-master operation is not supported for the I C interface.
enabled
Battery or
reset
mode
0V
Figure 11: Voltage Range for V1
I2C Interface (EEPROM)
A dedicated 2-pin serial interface implements an I2C driver that can be used to communicate with external EEPROM devices.
The interface can be multiplexed onto the DIO pins DIO4 (SCK) and DIO5 (SDA) by setting the I/O RAM register DIO_EEX
(0x2008[4]). The MPU communicates with the interface through two SFR registers: EEDATA (0x9E) and EECTRL (0x9F). If the
MPU wishes to write a byte of data to EEPROM, it places the data in EEDATA and then writes the ‘Transmit’ code to EECTRL .
The write to EECTRL initiates the transmit sequence. By observing the BUSY bit in EECTRL the MPU can determine when the
transmit operation is finished (i.e. when the BUSY bit transitions from 1 to 0). INT5 is also asserted when BUSY falls. The MPU
can then check the RX_ACK bit to see if the EEPROM acknowledged the transmission.
A byte is read by writing the ‘Receive’ command to EECTRL and waiting for BUSY to fall. Upon completion, the received data
will appear in EEDATA .
The serial transmit and receive clock is 78kHz during each transmission, and SCL is held in a high state until the next
transmission. The bits in EECTRL are shown in Table 57.
The EEPROM interface can also be operated by controlling the DIO4 and DIO5 pins directly. However, controlling DIO4 and
DIO5 directly is discouraged, because it may tie up the MPU to the point where it may become too busy to process
interrupts .
2
Page: 43 of 98
? 2005–2010 Teridian Semiconductor Corporation
V2.7
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 71M6511H-IGTR | 制造商:Maxim Integrated Products 功能描述:RESID. HI PRECISION METR (1P, .1%) - Tape and Reel |
| 71M6511H-IGTR/F | 功能描述:计量片上系统 - SoC Highly Integrated SoC w/MCU Core RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel |
| 71M6511-IGT | 制造商:TERIDIAN 制造商全称:TERIDIAN 功能描述:Single-Phase Energy Meter IC |
| 71M6511-IGT/F | 功能描述:计量片上系统 - SoC Highly Integrated SoC w/MCU Core RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel |
| 71M6511-IGT/F1 | 功能描述:计量片上系统 - SoC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel |
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