Block Diagram - Panasonic MN103S User Manual

Chapter 7
I/O Port
7.1.2

Block Diagram

Block Diagram (P10, P11, P12, P13, P14, P80, P81, P82, P83)
P10 to P14, P80 to P83 are dual-purpose ports that also serve as external interrupt pins; IRQ00 to 08.
IRQ00 to 08
Block Diagram (P17, P20, P21, P22, P23, P24, P25, P26, P27)
P17, P20 to P27 are dual-purpose ports that serve as serial interface pins.
SBO0,1,2
SBT0,1,2
SBT0,1,2
SBI0,1,2
VII - 4 Overview
Internal data bus
PnOUT
PnDIR
PnIN
Figure:7.1.1 Block Diagram (P10 to P14, P80 to P83)
Internal data bus
PnOUT
PnMD
PnDIR
PnIN
Figure:7.1.2 Block Diagram (P17, P20 to P27)
PnPLU
IOCLK
Noise filter
P... indicates 1 bit of a register.
PnPLU
M
P
X
indicates 1 bit of a register.
P...
P10 to P14
P80 to P83
P17
P20 to P27