Hitachi SH7751 Hardware Manual page 915

Bit 4—Port 2 Input/Output Control (PB2IO): Controls input or output when
as a port.
Bit 4: PB2IO
0
1
Bit 3—Port 1 Pull-up Resistance Control (PB1PUP): Controls pull-up resistance when
 
pin is used as port.
Bit 3: PB1PUP
0
1
Bit 2—Port 1 Input/Output Control (PB1IO): Controls input or output when
as a port.
Bit 2: PB1IO
0
1
Bit 1—Port 0 Pull-up Resistance Control (PB0PUP): Controls pull-up resistance when
 
pin is used as port.
Bit 1: PB0PUP
0
1
Bit 0—Port 0 Input/Output Control (PB0IO): Controls input or output when
as a port.
Bit 0: PB0IO
0
1
Rev. 3.0, 04/02, page 876 of 1064
Description


Set pin for input


Set pin for output
Description


Pull-up pin


Do not pull-up
Description


Set pin for input


Set pin for output
Description


Pull-up pin


Do not pull-up
Description


Set pin for input


Set pin for output
pin
pin
 
is used
(Initial value)
(Initial value)
 
is used
(Initial value)
(Initial value)
 
is used
(Initial value)