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参数资料
| 型号： | 71M6521BE-IGT/F |
| 厂商： | Maxim Integrated |
| 文件页数： | 21/97页 |
| 文件大小： | 0K |
| 描述： | IC ENERGY METER 8K FLASH 64-LQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 160 |
| 系列： | Single Converter Technology® |
| 测量误差： | 0.4% |
| 电源电压： | 3 V ~ 3.6 V |
| 测量仪表类型： | 单相，双相 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 64-LQFP |
| 供应商设备封装： | 64-LQFP（10x10） |
| 包装： | 托盘 |
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71M6521BE
Energy Meter IC
DATA SHEET
JANUARY 2008
Port Registers: The I/O ports are controlled by Special Function Registers P0 , P1 , and P2 . The contents of the SFR can be
observed on corresponding pins on the chip. Writing a ‘1’ to any of the ports (see Table 10) causes the corresponding pin to be
at high level (V3P3), and writing a ‘0’ causes the corresponding pin to be held at low level (GND). The data direction registers
DIR0 , DIR1 , and DIR2 define individual pins as input or output pins (see section Digital I/O for details).
Register
P0
DIR0
SFR
Address
0x80
0xA2
R/W
R/W
R/W
Description
Register for port 0 read and write operations (pins DIO4…DIO7)
Data direction register for port 0. Setting a bit to 1 means that the corresponding pin is
an output.
P1
DIR1
P2
DIR2
0x90
0x91
0xA0
0xA1
R/W
R/W
R/W
R/W
Register for port 1 read and write operations (pins DIO8…DIO11, DIO14…DIO15)
Data direction register for port 1.
Register for port 2 read and write operations (pins DIO16…DIO17)
Data direction register for port 2.
Table 10: Port Registers
All DIO ports on the chip are bi-directional. Each of them consists of a Latch (SFR ‘ P0’ to ‘ P2’ ), an output driver, and an input
buffer, therefore the MPU can output or read data through any of these ports. Even if a DIO pin is configured as an output, the
state of the pin can still be read by the MPU, for example when counting pulses issued via DIO pins that are under
CE control.
The technique of reading the status of or generating interrupts based on DIO pins configured as outputs, can be
used to implement pulse counting.
Special Function Registers Specific to the 71M6521BE
Table 11 shows the location and description of the 71M6521BE-specific SFRs.
Register
Alternative
SFR
R/W
Description
Name
Address
ERASE
FLSH_ERASE
0x94
W
This register is used to initiate either the Flash Mass Erase cycle or
the Flash Page Erase cycle. Specific patterns are expected for
FLSH_ERASE in order to initiate the appropriate Erase cycle (default =
0x00).
0x55 – Initiate Flash Page Erase cycle. Must be preceded by a write
to FLSH_PGADR @ SFR 0xB7.
0xAA – Initiate Flash Mass Erase cycle. Must be preceded by a write
to FLSH_MEEN @ SFR 0xB2 and the debug port must be
enabled.
Any other pattern written to FLSH_ERASE will have no effect.
PGADDR
FLSH_PGADR
0xB7
R/W
Flash Page Erase Address register containing the flash memory page
address (page 0 thru 127) that will be erased during the Page Erase
cycle (default = 0x00).
Must be re-written for each new Page Erase cycle.
I C EEPROM interface control register. If the MPU wishes to write a
EEDATA
EECTRL
0x9E
0x9F
R/W
R/W
I 2 C EEPROM interface data register
2
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. See the EEPROM Interface section for a
description of the command and status bits available for EECTRL .
V1.0
? 2005-2008 TERIDIAN Semiconductor Corporation
Page: 21 of 97
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相关代理商/技术参数 |
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|---|---|
| 71M6521BE-IGTR/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 |
| 71M6521BE-IGTR/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 |
| 71M6521DE | 制造商:TERIDIAN 制造商全称:TERIDIAN 功能描述:Energy Meter IC |
| 71M6521DE-DB | 制造商:Maxim Integrated Products 功能描述:Development Boards & Kits - 8051 71M6521DE Demo Brd |
| 71M6521DE-IGT/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 |
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