Port A Block Diagram - Hitachi H8/3032 Series Hardware Manual

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C.9 Port A Block Diagram
PA
n
WPAD: Write to PADDR
WPA: Write to port A
RPA: Read port A
n = 0, 1
Figure C-9 (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
, PA )
0 1
543
TPC
TPC output
enable
Next data
Output trigger
ITU
Counter
input
clock