MB95710M Series
MB95770M Series
Document Number: 002-09307 Rev. *D Page 90 of 172
19. I/O Ports (MB95770M 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 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 PUL1 R/W 0b00000000
Port 2 pull-up register PUL2 R/W 0b00000000
Port G pull-up register PULG R/W 0b00000000
A/D input disable register (lower) AIDRL R/W 0b00000000