MB95710M Series
MB95770M Series
Document Number: 002-09307 Rev. *D Page 116 of 172
19.9 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”.
19.9.1 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)
19.9.2 Block diagrams of port E
• PE0/SEG14 pin
This pin has the following peripheral function:
• LCDC SEG14 output pin (SEG14)
• PE1/SEG15 pin
This pin has the following peripheral function:
• LCDC SEG15 output pin (SEG15)
• PE2/SEG16 pin
This pin has the following peripheral function:
• LCDC SEG16 output pin (SEG16)
• PE3/SEG17 pin
This pin has the following peripheral function:
• LCDC SEG17 output pin (SEG17)
• PE4/SEG18 pin
This pin has the following peripheral function:
• LCDC SEG18 output pin (SEG18)
• Block diagram of PE0/SEG14, PE1/SEG15, PE2/SEG16, PE3/SEG17 and PE4/SEG18
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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