Datasheet

71M6521DE/DH/FE Data Sheet
Rev 3 Page: 67 of 107
LCD_NUM
SEG in Addition to
SEG0-SEG18
Total Number of
LCD Segment Pins
Including SEG0-
SEG18
DIO Pins in Addition
to DIO1-DIO2
Total Number of DIO
Pins Including DIO1,
DIO2
0 None 19 4-11,14-17, 19-21 18
1 41 20 4-11, 14-17, 19-20 17
2 40-41 21 4-11, 14-17, 19 16
3 39-41 22 4-11, 14-17 15
4 39-41 22 4-11, 14-17 15
5 37, 39-41 23 4-11, 14-16 14
6 36-37, 39-41 24 4-11, 14-15 13
7 35-37, 39-41 25 4-11, 14 12
8 34-37, 39-41 26 4-11 11
9 34-37, 39-41 26 4-11 11
10 34-37, 39-41 27 4-11 11
11 31, 34-37, 39-41 27 4-10 10
12 30-31, 34-37, 39-41 28 4-9 9
13 29-31, 34-37, 39-41 29 4-8 8
14 28-31, 34-37, 39-41 30 4-7 7
15 27-31, 34-37, 39-41 31 4-6 6
16 26-31, 34-37, 39-41 32 4-5 5
17 25-31, 34-37, 39-41 33 4 4
18 24-31, 34-37, 39-41 34 None 3
Note: LCD segment numbers are given without CKTEST/SEG19, E_RXTX/SEG38, E_TCLK/SEG33, and
E_RST/SEG32.
Table 64: LCD and DIO Pin Assignment by LCD_NUM for the QFN-68 Package