HD6433832S Datasheet, PDF (528/560 Pages) Renesas Technology Corp – single-chip microcomputers

Appendix C I/O Port Block Diagrams
C.1 Block Diagram of Port 1
SBY (low level during reset and in standby mode)
V_CC
V_CC
P1_n
PUCR1n
PMR1n
PDR1n
V_SS
PCR1n
Internal
data bus
PDR1: Port data register 1
PCR1: Port control register 1
PMR1: Port mode register 1
PUCR1: Port pull-up control register 1
n = 5 to 7
Figure C.1 (a) Port 1 Block Diagram (Pins P1₇ to P1₅)
IRQ _{n – 4}
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