HD643303x Hitachi, HD643303x Datasheet - Page 558

• Manufacturer Part Number: HD643303x
• Description: Hitachi Microcomputer
• Manufacturer: Hitachi

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