Port 4; Overview - Hitachi H8S/2646 Hardware Manual

9.5

Port 4

9.5.1

Overview

Port 4 is an 8-bit input-only port. Port 4 pins also function as A/D converter analog input pins
(AN0 to AN7). Port 4 pin functions are the same in all operating modes. Figure 9-4 shows the port
4 pin configuration.
Port 4 pins
P47 (input) /
P46 (input) /
P45 (input) /
P44 (input) /
Port 4
P43 (input) /
P42 (input) /
P41 (input) /
P40 (input) /
Figure 9-4 Port 4 Pin Functions
AN7 (input)
AN6 (input)
AN5 (input)
AN4 (input)
AN3 (input)
AN2 (input)
AN1 (input)
AN0 (input)
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