参数资料
型号: ADE7518ASTZF8
厂商: Analog Devices Inc
文件页数: 4/128页
文件大小: 0K
描述: IC ENERGY METER MCU 8K 64LQFP
产品变化通告: Product Discontinuance 27/Oct/2011
特色产品: ADE7518: Single-phase Energy-Measurement IC
标准包装: 160
输入阻抗: *
测量误差: *
电压 - 高输入/输出: *
电压 - 低输入/输出: *
电流 - 电源: *
电源电压: *
测量仪表类型: *
工作温度: *
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
产品目录页面: 797 (CN2011-ZH PDF)

ADE7518
GENERAL DESCRIPTION
The ADE7518 1 integrates the Analog Devices, Inc., energy
(ADE) metering IC analog front end and fixed function DSP
solution with an enhanced 8052 MCU core, an RTC, an LCD
driver, and all the peripherals to make an electronic energy
meter with an LCD display in a single part.
The ADE measurement core includes active, reactive, and apparent
energy calculations, as well as voltage and current rms measure-
ments. This information is ready to use for energy billing by using
The microprocessor functionality includes a single-cycle 8052 core,
a real-time clock with a power supply backup pin, a UART, and an
SPI or I 2 C? interface. The ready-to-use information from the
ADE core reduces the program memory size requirement, making
it easy to integrate complicated design into 16 kB of flash
memory.
The ADE7518 also includes a 108-segment LCD driver. This
driver generates waveforms capable of driving LCDs up to 3.3 V.
built-in energy scalars. Many power line supervisory features,
such as SAG, peak, and zero crossing, are included in the energy
measurement DSP to simplify energy meter design.
FUNCTIONAL BLOCK DIAGRAM
57
43 42
38 39 40 41
39 38 7
6
45 11 43 42 41 40 39 38
37 36 5
6
7
8
9 10
12 P2.0 (FP18)
13 P2.1 (FP17)
1.20V
REF
SPI/I 2 C
SERIAL
INTERFACE
3 × 16-BIT
COUNTER
TIMERS
ADE7518
14 P2.2 ( FP16)
44 P2.3 (SDEN)
19 LCDVP1
I P 52
I N 53
+
PGA1
ADC
LCD
LEVELS
16
18
17
LCDVP2
LCDVA
LCDVB
V P 49
V N 50
DGND 63
AGND 54
+
PGA2
ADC
ENERGY
MEASUREMENT
DSP
PROGRAM MEMORY
16kB FLASH
USER RAM
256 BYTES
SINGLE
CYCLE
8052
MCU
WATCHDOG
TIMER
108-SEGMENT
LCD DRIVER
15 LCDVC
4 COM0
...
1 COM3
35 FP0
...
20 FP15
14 FP16
13 FP17
USER XRAM
256 BYTES
DOWNLOADER
DEBUGGER
12
11
10
9
FP18
FP19
FP20
FP21
V BAT 58
POWER SUPPLY
CONTROL AND
MONITORING
LDO
LDO
POR
UART
TIMER
UART
SERIAL
PORT
RTC
PLL
OSC
8
7
6
5
FP22
FP23
FP24
FP25
55
FP26
64
60
61
62
59
56
51
44
36
37
47
46
48
45
Figure 1.
1
Patents pending.
Rev. 0 | Page 4 of 128
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