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| 型号： | 78M6618-SOCKET68 |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 8/32页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD 78M6618 68PIN QFN |
| 标准包装： | 1 |
| 系列： | * |
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78M6618 Data Sheet
IA
IB
IC
ID
IE
VREF
?Σ ADC
DS_6618_005
IF
IG
MUX
VBIAS
VBIAS
CONVERTER
IH
VA
V3P3A
-
VB
VBAT
MUX
VREF
+
VREF
FIR
TEMP
CROSS
MUX
CTRL
CK32
FIR_DONE
4.9152 MHz
FIR_START
Figure 2: AFE Block Diagram
See the 78M6618 Programmer’s Reference Manual for more information regarding the programmability
of the 78M6618 AFE.
1.4.1 Analog Current and Voltage Inputs
Pins IA, IB, IC, ID, IE, IF, IG, IH, VA, VB are analog inputs the AFE that provide support for measuring
current and voltage in a variety of ways. Various current sensor technologies are supported including
Current Transformers (CT), Resistive Shunts and Rogowski coils.
1.5
Digital Computation Engine (CE)
The CE, a dedicated 32-bit digital signal processor, performs the precision computations necessary to
accurately measure energy. Typically CE calculations and processes include:
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Scaling of the processed samples based on calibration coefficients.
Frequency-insensitive delay cancellation on all channels
90 ° phase shifter (for narrowband VAR calculations).
Monitoring of the input signal frequency (for frequency and phase information).
Monitoring of the input signal amplitude (for sag detection).
Multiplication of each voltage and current sample to obtain the energy per sample.
RTM(Real Time Monitor) for debug purposes
Pulse Generators used to output CE status indicators (e.g. SAG) directly to designated DIO pins.
Due to the custom nature and complexity of the CE, generally, pre-compiled CE code is provided by
Teridian as a part of the available reference firmware and is not modified by the user. Please contact
Teridian support for more information regarding CE code.
See the 78M6618 Programmer’s Reference Manual for more information on interfacing to and
configuration of the 78M6618 CE.
1.6
80515 MPU Core
The 78M6618 includes an 80515 MPU (8-bit, 8051-compatible) that processes most instructions in one clock
cycle. The 80515 architecture eliminates redundant bus states and implements parallel execution of fetch and
execution phases. Normally, a machine cycle is aligned with a memory fetch, therefore, most of the 1-byte
instructions are performed in a single machine cycle (MPU clock cycle). This leads to an 8x average
performance improvement (in terms of MIPS) over the Intel ? 8051 device running at the same clock frequency .
See the 78M6618 Programmer’s Reference Manual for more information regarding the programmability of
MPU Memory Organization, Special Function Registers, Interrupts, Counters, and other CPU controls.
8
Rev. 1.4
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相关代理商/技术参数 |
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| 78M6631 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:3-Phase Power-Measurement IC |
| 78M6631_1204 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:3-Phase Power-Measurement IC |
| 78M6631-EVM-1 | 功能描述:电源管理IC开发工具 78M6631 Eval Kit RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| 78M6631-IM/F | 功能描述:计量片上系统 - SoC 3-Phase Power Measure/Mtr 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 |
| 78M6631-IM/F/P2 | 功能描述:IC POWER MEAS/MON 3 PHASE 56TQFN 制造商:maxim integrated 系列:Teridian?? 包装:管件 零件状态:停产 输入阻抗:40 千欧 ~ 90 千欧 测量误差:0.5% 电压 - I/O 高:2V 电压 - I/O 低:0.8V 电流 - 电源:9.1mA 电压 - 电源:3 V ~ 3.6 V 表计类型:3 相 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:68-VFQFN 裸露焊盘 供应商器件封装:68-QFN（8x8） 标准包装:260 |
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