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HD6433044 Datasheet, PDF (849/867 Pages) Hitachi Semiconductor – Hitachi Single-Chip Microcomputer
Reset
R
Q
D
PAn DDR
C
WPAD
Reset
TPC
R
TPC
output
PA n
Q
D
PAn DR
enable
Next
C
data
WPA
Output
trigger
ITU
Output
enable
Compare
match
output
WPAD: Write to PADDR
WPA: Write to port A
RPA: Read port A
n = 2 and 3
RPA
Figure C-10 (b) Port A Block Diagram (Pins PA2, PA3)
Input
capture
Counter
clock
input
842