Datasheet

RL78/L12 CHAPTER 14 LCD CONTROLLER/DRIVER
R01UH0330EJ0200 Rev.2.00 601
Dec 13, 2013
CHAPTER 14 LCD CONTROLLER/DRIVER
The number of LCD display function pins of the RL78/L12 differs depending on the product. The following table shows
the number of pins of each product.
Table 14-1. Number of LCD Display Function Pins of Each Product (1/3)
(a) 32-pin and 44-pin products
Part No.
Item
RL78/L12
32 pins (R5F10RBx (x = C, A, 8)) 44 pins (R5F10RFx (x = C, A, 8))
Number of LCD output pins Segment signal outputs: 13
Common signal outputs: 4
Segment signal outputs: 22 (18)
Note
Common signal outputs: 8
Correspondence
between
multiplexed
segment signal
output pin
functions and
I/O port pin
functions
x
I/O port
7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
P1x SEG
6
SEG
5
SEG
4
SEG
32
SEG
31
SEG
30
SEG
29
SEG
28
SEG
6
SEG
5
SEG
4
SEG
32
SEG
31
SEG
30
SEG
29
SEG
28
P3x
− − − − − − −
SEG
19
− − − − −
SEG
17
SEG
18
SEG
19
P4x
− − − − − − − − − − − − − − − −
P5x
− − − − − − − − − − − − − − − −
P6x
− − − − − −
SEG
20
SEG
21
− − − − − −
SEG
20
SEG
21
P7x
− − − − − − − − − − − − − − − −
P12x
− − − − − − − − − − − − − − −
SEG
25
P14x
− − − − − − −
SEG
27
− − − −
SEG
34
SEG
33
SEG
26
SEG
27
Correspondence between
multiplexed COM signal output
pin functions and I/O port pin
functions
− −
Correspondence between
multiplexed COM signal output
pin functions and other LCD
display pin functions
SEG0 SEG0
−
SEG1
−
SEG2
−
SEG3
Note ( ) indicates the number of signal output pins when 8 com is used.
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