Port A Block Diagram; Port B Block Diagram - Hitachi H8/3637 Hardware Manual

C.8

Port A Block Diagram

V
CC
PA
n
V
SS
PDRA: Port data register A
PCRA: Port control register A
n = 0 to 3
C.9

Port B Block Diagram

PB
n
n = 4 to 7
SBY
Figure C.8 Port A Block Diagram
Figure C.9 Port B Block Diagram
PDRA
n
PCRA
n
Internal
data bus
A/D module
DEC
AMR0 to AMR3
V
Internal
data bus
IN
395