Port 6; Block Diagram Of Port 6 - NEC UPD789426 Series User Manual

CHAPTER 4 PORT FUNCTIONS

4.2.6 Port 6

This is a 6-bit input-only port.
This port is also used as the analog input of an A/D converter.
Figure 4-14 shows a block diagram of Port 6.
Figure 4-14. Block Diagram of Port 6
RD
+ P60/ANI0 to P65/ANI5
A/D converter
−
V
REF
91
User's Manual U15075EJ2V1UD