Datasheet

Section 8 I/O Ports
Rev.7.00 Dec. 24, 2008 Page 242 of 698
REJ09B0074-0700
8.7.5 Pin Functions
Port B pins also function as address bus (A15 to A9) output pins. The correspondence between the
register specification and the pin functions is shown below.
Note: When using the USB with the emulator (E6000), set A9 and A8 as address bus output pins.
Table 8.37 PB7 Pin Function
Operating mode Modes 4 to 6 Mode 7
AE3 to AE0 B'1××× Other than B'1××× —
PB7DDR — 0 1 0 1
Pin Function A15
output pin
PB7
input pin
PB7
output pin
PB7
input pin
PB7
output pin
Table 8.38 PB6 Pin Function
Operating mode Modes 4 to 6 Mode 7
AE3 to AE0 B'0111 or B'1××× Other than B'0111 or
B'1×××
—
PB6DDR — 0 1 0 1
Pin Function A14
output pin
PB6
input pin
PB6
output pin
PB6
input pin
PB6
output pin
Table 8.39 PB5 Pin Function
Operating mode Modes 4 to 6 Mode 7
AE3 to AE0 B'011× or B'1××× Other than B'011× or
B'1×××
—
PB5DDR — 0 1 0 1
Pin Function A13
output pin
PB5
input pin
PB5
output pin
PB5
input pin
PB5
output pin