参数资料
型号: 71M6531F-DB
厂商: Maxim Integrated Products
文件页数: 67/121页
文件大小: 0K
描述: BOARD DEMO 71M6531F
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
主要目的: 电源管理,电度表/功率表
嵌入式:
已用 IC / 零件: 71M6531
主要属性: 单相功率表
已供物品: 2 个板,线缆,CD,电源
FDS 6531/6532 005
Data Sheet 71M6531D/F-71M6532D/F
3.7
Connecting Three-Wire EEPROMs
μWire EEPROMs and other compatible devices should be connected to the DIO pins DIO4 and DIO5, as
shown in Figure 34 and described below:
?
?
?
?
?
DIO5 connects to both the DI and DO pins of the three-wire device.
The CS pin must be connected to a vacant DIO pin of the 71M6531.
In order to prevent bus contention, a 10 k ? to resistor is used to separate the DI and DO signals.
The CS and CLK pins should be pulled down with resistors to prevent operation of the three-wire device
on power-up, before the 71M6531 can establish a stable signal for CS and CLK.
The DIO_EEX[1:0] register in I/O RAM must be set to 2 (b10) in order to convert the DIO pins DIO4
and DIO5 to μWire pins.
The μ-Wire EEPROM interface is only functional when MPU_DIV[2:0] = 000.
71M653X
V3P3D
DIO4
EEPROM
VCC
CLK
DIO5
10 k ?
DI
DO
DIOn
100 k?
100 k?
CS
Figure 34: Three-Wire EEPROM Connection
3.8
UART0 (TX/RX)
The UART0 RX pin should be pulled down by a 10 k ? resistor and additionally protected by a 100 pF
ceramic capacitor, as shown in Figure 35 .
71M6531D/F, 71M6532D/F
RX
TX
100 pF 10 k Ω
RX
TX
Figure 35: Connections for UART0
3.9
Optical Interface (UART1)
The OPT_TX and OPT_RX pins can be used for a regular serial interface (by connecting a RS-232
transceiver for example), or they can be used to directly operate optical components (for example, an
infrared diode and phototransistor implementing a FLAG interface). Figure 36 shows the basic connections
for UART1. The OPT_TX pin becomes active when the I/O RAM register OPT_TXE is set to 00.
Rev 2
67
相关PDF资料
PDF描述
71M6533-DB BOARD DEMO 71M6533
71M6534H-DB BOARD DEMO 71M6534H
71M6541F-DB DEMO BOARD 71M6541F
71M6543F-DB-CT DEMO BOARD 71M6543F-DB-CT
72-CNV-5 CONVERTER RS-232 TO RS-422 5V
相关代理商/技术参数
参数描述
71M6531F-IM/F 功能描述:计量片上系统 - SoC Residential Energy Meter IC 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
71M6531F-IM/F3 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
71M6531F-IM/F4 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
71M6531F-IM/FR4 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
71M6531F-IMR/F 功能描述:计量片上系统 - SoC Residential Energy Meter IC 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