Block Diagrams Of Port 2 [Chip Internal I/O Port] - Hitachi H8/3937 Series Hardware Manual

C.2

Block Diagrams of Port 2 [Chip Internal I/O Port]

TM
FLEX
PDR2: Port data register 2
PCR2: Port control register 2
TM
FLEX
PDR2: Port data register 2
PCR2: Port control register 2
482
RES (Low in reset)
Decoder
RESET
Figure C-2 (a) Port 2 Block Diagram (Pin P2
Decoder
SS
Figure C-2 (b) Port 2 Block Diagram (Pin P2
RES
PDR2
4
PCR2
4
)
4
PDR2
3
PCR2
3
)
3