MB95710M Series
MB95770M Series
Document Number: 002-09307 Rev. *D
Page 80 of 172
• Block diagram of PC0/SEG02, PC1/SEG03, PC2/SEG04, PC3/SEG05, PC4/SEG06, PC5/SEG07, PC6/SEG08 and
PC7/SEG09
18.10.3 Port C registers
• Port C register functions
• Correspondence between registers and pins for port C
Register
abbreviation
Data
Read
Read by read-modify-write
(RMW) instruction
Write
PDRC
0
Pin state is “L” level.
PDRC value is “0”.
As output port, outputs “L” level.
1
Pin state is “H” level.
PDRC value is “1”.
As output port, outputs “H” level.
DDRC
0
Port input enabled
1
Port output enabled
Correspondence between related register bits and pins
Pin name
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
PDRC
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
DDRC
PDRC
Pin
PDRC read
PDRC write
Executing bit manipulation instruction
DDRC read
DDRC write
DDRC
0
1
Stop mode, watch mode (SPL = 1)
LCD output
Inter
nal b
u
s
LCD output enable