Rev. 3.0, 09/98, page 116 of 361
RP8
Reset
Internal data bus
Reset
WP8
WP8D
R
R
Q
Q
D
D
P84 DR
P84 DDR
C
C
WP8D:
WP8:
RP8:
Write Port 8 DDR
Write Port 8
Read Port 8
Transmit enable
Transmit data
P84
IRQ enable register
IRQ3 input
IRQ3 enable
SCI module
Figure 6.8 (b) Port 8 Schematic Diagram (Pin P8
4
)
