参数资料
型号: 71M6521DE-IGT/F
厂商: Maxim Integrated
文件页数: 68/107页
文件大小: 0K
描述: IC ENERGY METER 16K FLASH 64LQFP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 160
系列: Single Converter Technology®
测量误差: 0.4%
电源电压: 3 V ~ 3.6 V
测量仪表类型: 单相,双相
工作温度: -40°C ~ 85°C
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: 管件
71M6521DE/DH/FE Data Sheet
LCD_NUM
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
SEG in Addition
to SEG0-SEG18
-
-
-
-
-
37
36-37
35-37
34-37
34-37
34-37
31, 34-37
30-31, 34-37
29-31, 34-37
28-31, 34-37
27-31, 34-37
26-31, 34-37
25-31, 34-37
24-31, 34-37
Total Number of LCD
Segment Pins In-
cluding SEG0-SEG18
19
19
19
19
19
20
21
22
23
23
23
24
25
26
27
28
29
30
31
DIO Pins in Addition
to DIO1-DIO2
4-11, 14-17
4-11, 14-17
4-11, 14-17
4-11, 14-17
4-11, 14-17
4-11, 14-16
4-11, 14-15
4-11, 14
4-11
4-11
4-11
4-10
4-9
4-8
4-7
4-6
4-5
4
None
Total Number of DIO
Pins Including DIO1,
DIO2
14
14
14
14
14
13
12
11
10
10
10
9
8
7
6
5
4
3
2
DIO4 and DIO5 to I C pins SCL and SDA
Note: LCD segment numbers are given without CKTEST/SEG19, E_RXTX/SEG38, E_TCLK/SEG33, and
E_RST/SEG32.
Table 65: LCD and DIO Pin Assignment by LCD_NUM for the LQFP-64 Package
Connecting I 2 C EEPROMs
I 2 C EEPROMs or other I 2 C compatible devices should be connected to the DIO pins DIO4 and DIO5, as shown in
Figure 35. Pull-up resistors of roughly 10k ? to V3P3D (to ensure operation in BROWNOUT mode) should be used for
both SCL and SDA signals. The DIO_EEX register in I/O RAM must be set to 01 in order to convert the DIO pins
2
V3P3D
71M6521
10k Ω
10k Ω
EEPROM
DIO4
DIO5
SCL
SDA
.
Figure 35: I 2 C EEPROM Connection
Page: 68 of 107
Rev 3
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