MB95710M Series
MB95770M Series
Document Number: 002-09307 Rev. *D Page 82 of 172
18.11 Port E
Port E is a general-purpose I/O port. This section focuses on its functions as a general-purpose I/O port. For details of
peripheral functions, refer to their respective chapters in “New 8FX MB95710M/770M Series Hardware Manual”.
18.11.1 Port E configuration
Port E is made up of the following elements.
• General-purpose I/O pins/peripheral function I/O pins
• Port E data register (PDRE)
• Port E direction register (DDRE)
18.11.2 Block diagrams of port E
• PE0/SEG22 pin
This pin has the following peripheral function:
• LCDC SEG22 output pin (SEG22)
• PE1/SEG23 pin
This pin has the following peripheral function:
• LCDC SEG23 output pin (SEG23)
• PE2/SEG24 pin
This pin has the following peripheral function:
• LCDC SEG24 output pin (SEG24)
• PE3/SEG25 pin
This pin has the following peripheral function:
• LCDC SEG25 output pin (SEG25)
• PE4/SEG26 pin
This pin has the following peripheral function:
• LCDC SEG26 output pin (SEG26)
• Block diagram of PE0/SEG22, PE1/SEG23, PE2/SEG24, PE3/SEG25 and PE4/SEG26
PDRE
Pin
PDRE read
PDRE write
Executing bit manipulation instruction
DDRE read
DDRE write
DDRE
0
1
Stop mode, watch mode (SPL = 1)
LCD output
Internal bus
LCD output enable
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