Pin Functions; Table 9.27 Pb7 Pin Function; Table 9.28 Pb6 Pin Function; Table 9.29 Pb5 Pin Function - Hitachi H8S/2215 Series Hardware Manual

9.7.5

Pin Functions

Port B pins also function as address output pins. The correspondence between the register
specification and the pin functions is shown below.

Table 9.27 PB7 Pin Function

Operating mode
AE3 to AE0
PB7DDR
Pin function

Table 9.28 PB6 Pin Function

Operating mode
AE3 to AE0 Other than B'0111 or B'1xxx
PB6DDR
Pin function

Table 9.29 PB5 Pin Function

Operating mode
AE3 to AE0 Other than B'011x or B'1xxx
PB5DDR
Pin function

Table 9.30 PB4 Pin Function

Operating mode
AE3 to AE0
PB4DDR
Pin function
Rev. 3.0, 10/02, page 240 of 686
Modes 4 to 6
Other than B'1xxx
0 1
PB7 input PB7 output
Modes 4 to 6
0 1
PB6 input PB6 output
Modes 4 to 6
0 1
PB5 input PB5 output
Modes 4 to 6
B'0100 or B'00xx
0 1
PB4 input PB4 output
B'1xxx
−
A15 output PB7 input
B'0111 or
B'1xxx
−
A14 output PB6 input
B'011x or
B'1xxx
−
A13 output PB5 input
Other than
B'0100 or
B'00xx
−
A12 output PB4 input
Mode 7
−
0 1
PB7 output
Mode 7
−
0 1
PB6 output
Mode 7
−
0 1
PB5 output
Mode 7
−
0 1
PB4 output