Hitachi H8/3048 Hardware Manual page 848

C.10 Port A Block Diagrams
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PA
n
WPAD: Write to PADDR
WPA: Write to port A
RPA: Read port A
n = 0 and 1
Figure C-10 (a) Port A Block Diagram (Pins PA
Reset
R
Q D
PA DDR
n
C
WPAD
Reset
R
Q D
PA DR
n
C
WPA
RPA
841
TPC
TPC
output
enable
Next data
Output
trigger
DMA controller
Output
enable
Transfer
end output
ITU
Counter
clock input
, PA )
0 1