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參數(shù)資料
| 型號： | 71M6534H-IGTR/F |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PQFP120 |
| 封裝： | LEAD FREE, LQFP-120 |
| 文件頁數(shù)： | 31/124頁 |
| 文件大?。?/td> | 2008K |
| 代理商： | 71M6534H-IGTR/F |
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71M6533/71M6534 Data Sheet
FDS_6533_6534_004
14
2007-2009 TERIDIAN Semiconductor Corporation
v1.1
the CE and, if necessary, by the MPU. Alternate multiplexer cycles are initiated less frequently by the
MPU to gather access to the slow temperature and battery signals.
Σ ADC
CONVERTER
VREF
VB_REF
ADC_E
MUX
VREF
VBIAS
TEMP
VREF
VBIAS
VREF_CAL
VREF_DIS
VBAT
VADC
EQU
MUX_ALT
MUX_DIV
22
FIR
FIR_LEN
IBP
VB
ICP
VC
IAP
VA
IAN
IBN
ICN
I DN
I DP
Figure 4: AFE Block Diagram
1.2.9
Digital Computation Engine (CE)
The CE, a dedicated 32-bit signal processor, performs the precision computations necessary to accurate-
ly measure energy. The CE calculations and processes include:
Multiplication of each current sample with its associated voltage sample to obtain the energy per
sample (when multiplied with the constant sample time).
Frequency-insensitive delay cancellation on all six channels (to compensate for the delay between
samples caused by the multiplexing scheme).
90
° phase shifter (for VAR calculations).
Pulse generation.
Monitoring of the input signal frequency (for frequency and phase information).
Monitoring of the input signal amplitude (for sag detection).
Scaling of the processed samples based on calibration coefficients. Scaling of all samples based on
temperature compensation information.
The CE program resides in flash memory. Common access to flash memory by the CE and MPU is con-
trolled by a memory share circuit. Each CE instruction word is two bytes long. Allocated flash space for
the CE program cannot exceed 4096 16-bit words (8 KB). The CE program counter begins a pass
through the CE code each time multiplexer state 0 begins. The code pass ends when a HALT instruction
is executed. For proper operation, the code pass must be completed before the multiplexer cycle ends
(see Section 2.2 System Timing Summary).
The CE program must begin on a 1 KB boundary of the flash address. The I/O RAM register
CE_LCTN[7:0] defines which 1 KB boundary contains the CE code. Thus, the first CE instruction is lo-
cated at 1024*CE_LCTN[7:0].
The CE can access up to 4 KB of data RAM (XRAM), or 1024 32-bit data words, starting at RAM address
0x0000.
The XRAM can be accessed by the FIR filter block, the RTM circuit, the CE, and the MPU. Assigned time
slots are reserved for FIR and MPU, respectively, to prevent bus contention for XRAM data access by the
CE.
The MPU can read and write the XRAM shared between the CE and MPU as the primary means of data
communication between the two processors.
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| 71M6534H-IGT/F | SPECIALTY ANALOG CIRCUIT, PQFP120 |
| 71M6534-IGTR/F | SPECIALTY ANALOG CIRCUIT, PQFP120 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 71M6534-IGT/F | 功能描述:計量片上系統(tǒng) - SoC Precision Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 處理器系列:71M6511 類型:Metering SoC 最大時鐘頻率:70 Hz 程序存儲器大小:64 KB 數(shù)據(jù) RAM 大小:7 KB 接口類型:UART 可編程輸入/輸出端數(shù)量:12 片上 ADC: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-64 封裝:Reel |
| 71M6534-IGTR/F | 功能描述:計量片上系統(tǒng) - SoC Precision Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 處理器系列:71M6511 類型:Metering SoC 最大時鐘頻率:70 Hz 程序存儲器大小:64 KB 數(shù)據(jù) RAM 大小:7 KB 接口類型:UART 可編程輸入/輸出端數(shù)量:12 片上 ADC: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-64 封裝:Reel |
| 71M6541D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:71M6541D/71M6541F/71M6541G/71M6542F/71M6542G 是 TeridianTM 的第4 代高集成度單相電表SoC |
| 71M6541D_1111 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Energy Meter ICs |
| 71M6541D-IGT/F | 功能描述:計量片上系統(tǒng) - SoC Precision Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 處理器系列:71M6511 類型:Metering SoC 最大時鐘頻率:70 Hz 程序存儲器大小:64 KB 數(shù)據(jù) RAM 大小:7 KB 接口類型:UART 可編程輸入/輸出端數(shù)量:12 片上 ADC: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-64 封裝:Reel |
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