Hitachi H8/3048 Hardware Manual page 850

Hardware
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standby
PA
n
WPAD: Write to PADDR
WPA: Write to port A
RPA: Read port A
n = 4 to 6
Figure C-10 (c) Port A Block Diagram (Pins PA
Software standby
External bus released
Reset
R
Q D
PA DDR
n
C
WPAD
Reset
R
Q D
PA DR
n
C
PRA
843
Bus controller
Chip select
enable
Address
output
enable
CS
4
CS
5
CS output
6
TPC
TPC output
enable
Next data
Output trigger
ITU
Output enable
Compare match
output
Input capture
to PA )
4 6