1 how do i specify pins as com or seg output pins – FUJITSU MB91460 SERIES FR60 User Manual
Page 951

935
Chapter 47 LCD Controller
7.Q&A
7. Q&A
7.1 How do I specify pins as COM or SEG output pins?
Use COM and SEG output settings.
Software can switch ports to COM or SEG output ports.
To do so, write “1” to the output designation bit (COM[3:0], SEG[39:0]).
Pin
Register
Output designation bit
COM0
Port function register PFR30[3:0]
(COM0)
COM1
(COM1)
COM2
(COM2)
COM3
(COM3)
SEG0
Port function register PFR35[7:0]
(SEG0)
SEG1
(SEG1)
SEG2
(SEG2)
SEG3
(SEG3)
SEG4
(SEG4)
SEG5
(SEG5)
SEG6
(SEG6)
SEG7
(SEG7)
SEG8
Port function register PFR34[7:0]
(SEG8)
SEG9
(SEG9)
SEG10
(SEG10)
SEG11
(SEG11)
SEG12
(SEG12)
SEG13
(SEG13)
SEG14
(SEG14)
SEG15
(SEG15)
SEG16
Port function register PFR33[7:0]
(SEG16)
SEG17
(SEG17)
SEG18
(SEG18)
SEG19
(SEG19)
SEG20
(SEG20)
SEG21
(SEG21)
SEG22
(SEG22)
SEG23
(SEG23)
SEG24
Port function register PFR32[7:0]
(SEG24)
SEG25
(SEG25)
SEG26
(SEG26)
SEG27
(SEG27)
SEG28
(SEG28)
SEG29
(SEG29)
SEG30
(SEG30)
SEG31
(SEG31)
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