Panasonic MN101L Series User Manual page 234

Chapter 7
I/O Port
7.8 Port 4
The following table shows the special functions of Port 4.
* The assignment and selection of SEGn differ in each product.
For details, refer to [Table:1.2.3 Functions of LCD Control] and [17.2.2 LCD Port Control Registers].
7.8.1 Setup of Port 4
*1 When the LSI outputs the chip select signal, set the P4DIR.P4DIR0 to "1".
VII - 46 Port 4
pin
P40
P41
P42
P43
P44
P45
P46
P47
Table:7.8.2 P40 Function Selection
Register LCCTR3
Bit name SEGSL27
1
0
Table:7.8.3 P41 Function Selection
Register LCCTR3
Bit name SEGSL26
1
0
Table:7.8.1 Port 4
Special function
SEG27 (*) SBCS0B
SEG26 (*) SBI2A
SEG25 (*) SBO2A
SEG24 (*) SBT2A
SEG23 (*) SBCS2A
SEG22 (*) SBI1B
SEG21 (*) SBO1B
SEG20 (*) SBT1B
Setup
SC0MD3
SC0SBCSEN
-
1 (*1)
0
Setup
SC2MD1
SC2SBIS SC2IOM
- -
1 0
0 0
-
-
SDA2A
SCL2A
-
RXD1B
TXD1B
-
Function
SC01SEL
SC0SEL3
- SEG27
1 SBCS0B
- P40
Function
SC23SEL
SC2SEL0
- SEG26
0 SBI2A
- P41