Port G; Port G Data Direction Register - Renesas H8S/2368 Series Hardware Manual

•
PF0/WAIT/OE
The pin function is switched as shown below according to the operating mode, bit EXPE, bit
WAITE, bit OEE in DRAMCR, bit OES in PFCR2, and bit PF0DDR.
Operating
mode
EXPE
OEE* 0
OES* —
WAITE —
PF0DDR 0
Pin function
PF0
input output
Note: * Not supported by the H8S/2366.
9.14

Port G

Port G is a 7-bit I/O port that also has other functions. The port G has the following registers.
• Port G data direction register (PGDDR)
• Port G data register (PGDR)
• Port G register (PORTG)
• Port Function Control Register 0 (PFCR0)
9.14.1 Port G Data Direction Register (PGDDR)
The individual bits of PGDDR specify input or output for the pins of port G.
PGDDR cannot be read; if it is, an undefined value will be read.
Rev. 2.00, 05/03, page 368 of 820
1, 2, 4
—
1
0
0 1
1 0 1 —
WAIT
PF0 PF0 PF0
input output input
0
—
1 —
— —
— 0 1 0
OE
*
PF0 PF0 PF0
output input output input
7
1
0 1
— 0
— 0
1 0 1
WAIT
PF0 PF0 PF0
output input output input
1
1 —
— —
OE
*
output