HD6433308 Datasheet, PDF (133/349 Pages) Hitachi Semiconductor – Hitachi Single-Chip MicroComputer

Reset
R
Q
D
P9n DDR
C
WP9D
Reset
R
P9 n
Q
D
P9n DR
C
WP9
RP9
WP9D: Write Port 9 DDR
WP9: Write Port 9
RP9: Read Port 9
n = 1, 2
IRQ0 input
IRQ1 input
IRQ enable
register
IRQ0 enable
IRQ1 enable
Figure 5-21. Port 9 Schematic Diagram (Pins P91 to P92)
Figure 5-21
118