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參數(shù)資料
| 型號： | 71M6515H-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, PQFP64 |
| 封裝： | LEAD FREE, LQFP-64 |
| 文件頁數(shù)： | 52/60頁 |
| 文件大?。?/td> | 826K |
| 代理商： | 71M6515H-IGTR/F |
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71M6515H
Energy Meter IC
DATA SHEET
JULY 2011
Page: 56 of 60
2005
2011 Teridian Semiconductor Corporation
1.6
A Maxim Integrated Products Brand
Figure 20: Timing Diagram (Host Polling)
Communication Steps for Interrupt Method:
The following is a list of commands required from the host processor to establish communication with the 71M6515H.
1)
Establish host baud rate and data format as required by the 71M6515H.
2)
Configure the DIO pins (D0…D7), if required, using the D_CONFIG register
3)
Configure the 71M6515H by selecting the CE image (bits 23-22), equation (bits 7-5), pulse rate (bits 26-25), followed
by enabling the CE (bit 4 in the CONFIG register). The bit pattern sent to CONFIG should have all bits set to their
default state, as given in the Register Table.
4)
Write the TEMP_RAW value obtained at calibration into the TEM_NOM register to enable temperature compensation.
5)
Write the calibration coefficients into registers CAL_IA, CAL_VA, CAL_IB, CAL_VB, CAL_C, CAL_VC, PHADJ_A,
PHADJ_B, PHADJ_C. Write calibration values to the VFEED_A/B/C registers if the Rogowski image is used.
6)
Configure WRATE with the value required to generate the desired pulse rate.
7)
Establish creep, sag and over/under voltage/current thresholds, if necessary, by writing values to the
CREEP_THRSLD, SAG, VI_PTHRESH, and VI_THRSHLD registers.
8)
Set the READY bit in the status mask STMASK in order to enable the generation of interrupts on the IRQZ pin.
9)
Read at least one accumulated value register (WATTH_X, or VAH_X, or VARH_X).
10) Wait for the IRQZ pin to go low.
11) After receiving the interrupt, read at least one accumulated value register (WATTH_X, or VAH_X, or VARH_X) in order
to maintain interrupt generation. Read the bits in the STATUS word to detect potential faults (overflow signaled by the
XOVF flag or uninitialized condition signaled by the BOOTUP flag) or warnings and events (sag, creep, excessive
voltage or current, DIO signal changes). If necessary, take corrective action.
12) After reading the required data from the 71M6515H, configuration changes should be made, if necessary. These con-
figuration changes should be completed before the pre-processing period begins again.
1000ms
2000ms
330ms
read
commands
fromhost
read
commands
fromhost
6515H not
ready
6515H not
ready
post-processor
active
post-processor
active
330ms
6515H data
time
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 71M6515H-IGTW/F | 功能描述:計量片上系統(tǒng) - SoC 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: 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-64 封裝:Reel |
| 71M6515H-IGTW1 | 制造商:TERIDIAN 制造商全稱:TERIDIAN 功能描述:Up to 10ppmC precision ultra-stable voltage reference Digital temperature compensation |
| 71M6515H-IGTWR1 | 制造商:TERIDIAN 制造商全稱:TERIDIAN 功能描述:Up to 10ppmC precision ultra-stable voltage reference Digital temperature compensation |
| 71M6521BE | 制造商:TERIDIAN 制造商全稱:TERIDIAN 功能描述:Energy Meter IC |
| 71M6521BE-DB | 制造商:Maxim Integrated Products 功能描述:Development Boards & Kits - 8051 71M6521BE Demo Brd |
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