MB95710M Series
MB95770M Series
Document Number: 002-09307 Rev. *D
Page 51 of 172
18. I/O Ports (MB95710M Series)
• List of port registers
R/W
: Readable/writable (The read value is the same as the write value.)
R, RM/W : Readable/writable (The read value is different from the write value. The write value is read by the read-
modify-write (RMW) type of instruction.)
Register name
Read/Write
Initial value
Port 0 data register
PDR0
R, RM/W
0b00000000
Port 0 direction register
DDR0
R/W
0b00000000
Port 1 data register
PDR1
R, RM/W
0b00000000
Port 1 direction register
DDR1
R/W
0b00000000
Port 2 data register
PDR2
R, RM/W
0b00000000
Port 2 direction register
DDR2
R/W
0b00000000
Port 4 data register
PDR4
R, RM/W
0b00000000
Port 4 direction register
DDR4
R/W
0b00000000
Port 5 data register
PDR5
R, RM/W
0b00000000
Port 5 direction register
DDR5
R/W
0b00000000
Port 6 data register
PDR6
R, RM/W
0b00000000
Port 6 direction register
DDR6
R/W
0b00000000
Port 9 data register
PDR9
R, RM/W
0b00000000
Port 9 direction register
DDR9
R/W
0b00000000
Port A data register
PDRA
R, RM/W
0b00000000
Port A direction register
DDRA
R/W
0b00000000
Port B data register
PDRB
R, RM/W
0b00000000
Port B direction register
DDRB
R/W
0b00000000
Port C data register
PDRC
R, RM/W
0b00000000
Port C direction register
DDRC
R/W
0b00000000
Port E data register
PDRE
R, RM/W
0b00000000
Port E direction register
DDRE
R/W
0b00000000
Port F data register
PDRF
R, RM/W
0b00000000
Port F direction register
DDRF
R/W
0b00000000
Port G data register
PDRG
R, RM/W
0b00000000
Port G direction register
DDRG
R/W
0b00000000
Port 1 pull-up register
PUL0
R/W
0b00000000
Port 2 pull-up register
PUL1
R/W
0b00000000
Port 5 pull-up register
PUL5
R/W
0b00000000
Port G pull-up register
PULG
R/W
0b00000000
A/D input disable register (lower)
AIDRL
R/W
0b00000000