upd78f0103hmca1-5a4-a Renesas Electronics Corporation., upd78f0103hmca1-5a4-a Datasheet - Page 74

• Manufacturer Part Number: upd78f0103hmca1-5a4-a
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

4.2.3 Port 2
74
Port 2 is a 4-bit input-only port.
This port can also be used for A/D converter analog input.
Figure 4-10 shows a block diagram of port 2.
RD:
A/D converter
RD
Read signal
Figure 4-10. Block Diagram of P20 to P23
CHAPTER 4 PORT FUNCTIONS
User’s Manual U16846EJ3V0UD
P20/ANI0 to P23/ANI3