Pin Functions - Hitachi H8S/2678 Series Reference Manual

PEPCR is initialized to H'00 by a reset and in hardware standby mode. It retains its prior state in
software standby mode.
5.14.3

Pin Functions

Port E pins also function as data input/output pins. Port E pin functions are shown in table 5.30.
Table 5.30 Port E Pin Functions
Pin Selection Method and Pin Functions
PE7/D7 The pin function is switched as shown below according to the operating mode, the
bus mode, bit EXPE, and bit PEDDR.
PE6/D6
Operating
PE5/D5
mode
PE4/D4
Bus mode
PE3/D3
PE2/D2
PE1/D1
PE0/D0
EXPE
PEDDR
Pin function
272
1, 2, 4, 5, 6
All areas At least
8-bit space one area
16-bit
space
— —
0 1 —
PE PE Data I/O
input output pin
pin pin
7
— All areas
8-bit space
0
0 1 0
PE PE PE
input output input
pin pin pin
At least
one area
16-bit
space
1 1
1 —
PE Data I/O
output pin
pin