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ADE7166 数据表(PDF) 19 Page - Analog Devices

部件名 ADE7166
功能描述  Single-Phase Energy Measurement IC with 8052 MCU, RTC, and LCD Driver
PDF  152 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADE7166 数据表(HTML) 19 Page - Analog Devices

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ADE7169/ADE7566/ADE7569
ADE7116/ADE7156/ADE7166/
Rev. B | Page 19 of 1
52
COM2/FP28
COM1
COM0
P1.4/T2/FP23
P1.3/T2EX/FP24
P1.2/FP25
COM3/FP27
P1.5/FP22
P1.6/FP21
P1.7/FP20
P2.0/FP18
P2.1/FP17
P2.2/FP16
LCDVC
LCDVP2
P0.1/FP19
ADE7116/ADE7156/
ADE7166/ADE7169
XTAL1
XTAL2
P0.3/CF2
P0.2/CF1/RTCCAL
P0.4/MOSI/SDATA
P0.5/MISO
P0.6/SCLK/T0
P1.0/RxD
P1.1/TxD
FP0
FP1
FP2
INT0
BCTRL/INT1/P0.0
SDEN/P2.3
P0.7/SS/T1
PIN 1
INDICATOR
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
NOTES
1. IT IS RECOMMENDED THAT THE EXPOSED PAD ON THE BOTTOM OF THE LFCSP BE
CONNECTED TO THE GROUND PLANE ON THE BOARD.
TOP VIEW
(Not to Scale)
Figure 10. Pin Configuration for the ADE7116/ADE7156/ADE7166/ADE7169
Table 14. Pin Function Descriptions
Pin No.
Mnemonic
Description
1
COM3/FP27
Common Output 3/LCD Segment Output 27. COM3 is used for the LCD backplane.
2
COM2/FP28
Common Output 2/LCD Segment Output 28. COM2 is used for the LCD backplane.
3
COM1
Common Output 1. COM1 is used for the LCD backplane.
4
COM0
Common Output 0. COM0 is used for the LCD backplane.
5
P1.2/FP25
General-Purpose Digital I/O Port 1.2/LCD Segment Output 25.
6
P1.3/T2EX/FP24
General-Purpose Digital I/O Port 1.3/Timer 2 Control Input/LCD Segment Output 24.
7
P1.4/T2/FP23
General-Purpose Digital I/O Port 1.4/Timer 2 Input/LCD Segment Output 23.
8
P1.5/FP22
General-Purpose Digital I/O Port 1.5/LCD Segment Output 22.
9
P1.6/FP21
General-Purpose Digital I/O Port 1.6/LCD Segment Output 21.
10
P1.7/FP20
General-Purpose Digital I/O Port 1.7/LCD Segment Output 20.
11
P0.1/FP19
General-Purpose Digital I/O Port 0.1/LCD Segment Output 19.
12
P2.0/FP18
General-Purpose Digital I/O Port 2.0/LCD Segment Output 18.
13
P2.1/FP17
General-Purpose Digital I/O Port 2.1/LCD Segment Output 17.
14
P2.2/FP16
General-Purpose Digital I/O Port 2.2/LCD Segment Output 16.
15
LCDVC
In the ADE7166/ADE7169, this pin can be either an analog input when the LCD resistor driver is enabled or
an analog output when the LCD charge pump is enabled. In the ADE7116/ADE7156, this pin is always an
analog input. When this pin is an analog output, it should be decoupled with a 470 nF capacitor. When this
pin is an analog input, it is internally connected to VDD. A resistor should be connected between this pin and
LCDVB to generate the two highest voltages for the LCD waveforms (see the LCD Driver section).
16
LCDVP2
In the ADE7166/ADE7169, this pin can be either an analog input when the LCD resistor driver is enabled or
an analog output when the LCD charge pump is enabled. In the ADE7116 and ADE7156, this pin is always an
analog input. When this pin is an analog output, a 100 nF capacitor should be connected between this pin and
LCDVP1. When this pin is an analog input, it is internally connected to LCDVP1 (see the LCD Driver section).
17
LCDVB
In the ADE7166/ADE7169, this pin can be either an analog input when the LCD resistor driver is enabled or
an analog output when the LCD charge pump is enabled. In the ADE7116/ADE7156, this pin is always an
analog input. When this pin is an analog output, it should be decoupled with a 470 nF capacitor. When this
pin is an analog input, a resistor should be connected between this pin and LCDVC to generate an
intermediate voltage for the LCD driver. In 1/3 bias LCD mode, another resistor must be connected between
this pin and LCDVA to generate another intermediate voltage. In 1/2 bias LCD mode, LCDVB and LCDVA are
internally connected (see the LCD Driver section).



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