Appendix C I/O Port Block Diagrams; Block Diagrams Of Port 1; Figure C.1 (A) Port 1 Block Diagram (Pins P1; To P1 - Renesas H8/3847R Series Hardware Manual

Appendix C I/O Port Block Diagrams

Appendix C I/O Port Block Diagrams

C.1

Block Diagrams of Port 1

V
CC
V
CC
P1
n
V
SS
PDR1: Port data register 1
PCR1: Port control register 1
PMR1: Port mode register 1
PUCR1: Port pull-up control register 1
n − 4, n = 4
* n = 7 to 5

Figure C.1 (a) Port 1 Block Diagram (Pins P1

Rev. 6.00 Aug 04, 2006 page 630 of 680
REJ09B0145-0600
SBY
n
(low level
during reset
and in standby
mode)
PUCR1
PMR1
PDR1
PCR1

to P1

7
n
n
n
n
IRQ
n − 4/n
)
4
*