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| 型号： | 71M6511H-IGT/F |
| 厂商： | Maxim Integrated |
| 文件页数： | 48/98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
Figure 13 summarizes the timing relationships between the input MUX states, the CE_BUSY signal, and the two serial output
streams. In this example, MUX_DIV = 1 (four mux states) and FIR_LEN = 1 (3 CK32 cycles). Since FIR filter conversions
require two or three CK32 cycles, the duration of each MUX cycle is 1 + 2 * states defined by MUX_DIV if FIR_LEN = 0, and 1
+ 3 * states defined by MUX_DIV if FIR_LEN = 1. Followed by the conversions is a single CK32 cycle.
Each CE program pass begins when MUX_SYNC falls. Depending on the length of the CE program, it may continue running
until the end of the ADC5 conversion. CE opcodes are constructed to ensure that all CE code passes consume exactly the
same number of cycles. The result of each ADC conversion is inserted into the CE DRAM when the conversion is complete.
The CE code is designed to tolerate sudden changes in ADC data. The exact CK count when each ADC value is loaded into
DRAM is shown in Figure 13.
Figure 13 also shows that the two serial data streams, RTM and SSI, begin transmitting at the beginning of MUX_SYNC. RTM,
consisting of 140 CK cycles, will always finish before the next code pass starts. The SSI port begins transmitting at the same
time as RTM, but may significantly overrun the next code pass if a large block of data is required. Neither the CE nor the SSI
port will be affected by this overlap.
ADC, CE and SERIAL TIMING
ADC MUX Frame
ADC TIMING
CK32
MUX_SYNC
150
MUX_DIV Conversions ( MUX_DIV =4 is shown)
Settle
MUX STATE
S
0
1
2
3
S
ADC EXECUTION
ADC0
ADC1
ADC2
ADC3
CE TIMING
0
450
900
1350
1800
CE_EXECUTION
CE_BUSY
XFER_BUSY
RTM and SSI TIMING
RTM
SSI
CK COUNT = CE_CYCLES + floor((CE_CYCLES + 2) / 5)
INITIATED BY A CE OPCODE AT END OF SUM INTERVAL
LAST SSI TRANSFER
MAX CK COUNT
140
BEGIN SSI TRANSFER
NOTES:
1. ALL DIMENSIONS ARE 5MHZ CK COUNTS.
2. THE PRECISE FREQUENCY OF CK IS 150*CRYSTAL FREQUENCY = 4.9152MHz.
3. XFER_BUSY OCCURS ONCE EVERY (PRESAMPS * SUM_CYCLES) CODE PASSES.
Figure 13: Timing Relationship between ADC MUX, CE, and Serial Transfers
Figure 14, Figure 15, and Figure 16 show the RTM and SSI timing, respectively.
Page: 48 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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