MB95710M Series
MB95770M Series
Document Number: 002-09307 Rev. *D
Page 83 of 172
• PE5/SEG27/TO11 pin
This pin has the following peripheral functions:
• LCDC SEG27 output pin (SEG27)
• 8/16-bit composite timer ch. 1 output pin (TO11)
• PE6/SEG28/TO10 pin
This pin has the following peripheral functions:
• LCDC SEG28 output pin (SEG28)
• 8/16-bit composite timer ch. 1 output pin (TO10)
• PE7/SEG29/EC1 pin
This pin has the following peripheral functions:
• LCDC SEG29 output pin (SEG29)
• 8/16-bit composite timer ch. 1 clock input pin (EC1)
• Block diagram of PE5/SEG27/TO11, PE6/SEG28/TO10 and PE7/SEG29/EC1
18.11.3 Port E registers
• Port E register functions
• Correspondence between registers and pins for port E
Register
abbreviation
Data
Read
Read by read-modify-write
(RMW) instruction
Write
PDRE
0
Pin state is “L” level.
PDRE value is “0”.
As output port, outputs “L” level.
1
Pin state is “H” level.
PDRE value is “1”.
As output port, outputs “H” level.
DDRE
0
Port input enabled
1
Port output enabled
Correspondence between related register bits and pins
Pin name
PE7
PE6
PE5
PE4
PE3
PE2
PE1
PE0
PDRE
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
DDRE
PDRE
Pin
PDRE read
PDRE write
Executing bit manipulation instruction
DDRE read
DDRE write
DDRE
0
1
1
0
Stop mode, watch mode (SPL = 1)
Peripheral function input
Peripheral function input enable
Peripheral function output enable
Peripheral function output
LCD output
Inter
nal b
u
s
LCD output enable