71M6521BE
Energy Meter IC
DATA SHEET
JANUARY 2008
Total Number of LCD
Segment Pins In-
cluding SEG0-SEG19
Total Number of DIO
Pins Including DIO1,
DIO2
SEG in Addition
to SEG0-SEG19
DIO Pins in Addition
LCD_NUM
to DIO1-DIO2
0
1
-
-
19
19
19
19
19
20
21
22
23
23
23
24
25
26
27
28
29
30
31
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
14
14
14
14
14
13
12
11
10
10
10
9
2
-
3
-
4
-
5
37
6
36-37
7
35-37
8
34-37
9
34-37
4-11
10
11
12
13
14
15
16
17
18
34-37
4-11
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
4-10
4-9
8
4-8
7
4-7
6
4-6
5
4-5
4
4
3
None
2
LCD segment numbers are given without CKTEST/SEG19, E_RXTX/SEG38, E_TCLK/SEG33, and
E_RST/SEG32.
Table 60: LCD and DIO Pin Assignment by LCD_NUM
Page: 62 of 97
© 2005-2008 TERIDIAN Semiconductor Corporation
V1.0
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
